wp/wp-includes/post.php
changeset 21 48c4eec2b7e6
parent 19 3d72ae0968f4
child 22 8c2e4d02f4ef
equal deleted inserted replaced
20:7b1b88e27a20 21:48c4eec2b7e6
    73 		'attachment',
    73 		'attachment',
    74 		array(
    74 		array(
    75 			'labels'                => array(
    75 			'labels'                => array(
    76 				'name'           => _x( 'Media', 'post type general name' ),
    76 				'name'           => _x( 'Media', 'post type general name' ),
    77 				'name_admin_bar' => _x( 'Media', 'add new from admin bar' ),
    77 				'name_admin_bar' => _x( 'Media', 'add new from admin bar' ),
    78 				'add_new'        => _x( 'Add New', 'add new media' ),
    78 				'add_new'        => __( 'Add New Media File' ),
    79 				'edit_item'      => __( 'Edit Media' ),
    79 				'edit_item'      => __( 'Edit Media' ),
    80 				'view_item'      => __( 'View Attachment Page' ),
    80 				'view_item'      => ( '1' === get_option( 'wp_attachment_pages_enabled' ) ) ? __( 'View Attachment Page' ) : __( 'View Media File' ),
    81 				'attributes'     => __( 'Attachment Attributes' ),
    81 				'attributes'     => __( 'Attachment Attributes' ),
    82 			),
    82 			),
    83 			'public'                => true,
    83 			'public'                => true,
    84 			'show_ui'               => true,
    84 			'show_ui'               => true,
    85 			'_builtin'              => true, /* internal use only. don't use this when registering your own post type. */
    85 			'_builtin'              => true, /* internal use only. don't use this when registering your own post type. */
   200 		'customize_changeset',
   200 		'customize_changeset',
   201 		array(
   201 		array(
   202 			'labels'           => array(
   202 			'labels'           => array(
   203 				'name'               => _x( 'Changesets', 'post type general name' ),
   203 				'name'               => _x( 'Changesets', 'post type general name' ),
   204 				'singular_name'      => _x( 'Changeset', 'post type singular name' ),
   204 				'singular_name'      => _x( 'Changeset', 'post type singular name' ),
   205 				'add_new'            => _x( 'Add New', 'Customize Changeset' ),
   205 				'add_new'            => __( 'Add New Changeset' ),
   206 				'add_new_item'       => __( 'Add New Changeset' ),
   206 				'add_new_item'       => __( 'Add New Changeset' ),
   207 				'new_item'           => __( 'New Changeset' ),
   207 				'new_item'           => __( 'New Changeset' ),
   208 				'edit_item'          => __( 'Edit Changeset' ),
   208 				'edit_item'          => __( 'Edit Changeset' ),
   209 				'view_item'          => __( 'View Changeset' ),
   209 				'view_item'          => __( 'View Changeset' ),
   210 				'all_items'          => __( 'All Changesets' ),
   210 				'all_items'          => __( 'All Changesets' ),
   280 
   280 
   281 	register_post_type(
   281 	register_post_type(
   282 		'wp_block',
   282 		'wp_block',
   283 		array(
   283 		array(
   284 			'labels'                => array(
   284 			'labels'                => array(
   285 				'name'                     => _x( 'Reusable blocks', 'post type general name' ),
   285 				'name'                     => _x( 'Patterns', 'post type general name' ),
   286 				'singular_name'            => _x( 'Reusable block', 'post type singular name' ),
   286 				'singular_name'            => _x( 'Pattern', 'post type singular name' ),
   287 				'add_new'                  => _x( 'Add New', 'Reusable block' ),
   287 				'add_new'                  => __( 'Add New Pattern' ),
   288 				'add_new_item'             => __( 'Add new Reusable block' ),
   288 				'add_new_item'             => __( 'Add New Pattern' ),
   289 				'new_item'                 => __( 'New Reusable block' ),
   289 				'new_item'                 => __( 'New Pattern' ),
   290 				'edit_item'                => __( 'Edit Reusable block' ),
   290 				'edit_item'                => __( 'Edit Block Pattern' ),
   291 				'view_item'                => __( 'View Reusable block' ),
   291 				'view_item'                => __( 'View Pattern' ),
   292 				'all_items'                => __( 'All Reusable blocks' ),
   292 				'view_items'               => __( 'View Patterns' ),
   293 				'search_items'             => __( 'Search Reusable blocks' ),
   293 				'all_items'                => __( 'All Patterns' ),
   294 				'not_found'                => __( 'No reusable blocks found.' ),
   294 				'search_items'             => __( 'Search Patterns' ),
   295 				'not_found_in_trash'       => __( 'No reusable blocks found in Trash.' ),
   295 				'not_found'                => __( 'No patterns found.' ),
   296 				'filter_items_list'        => __( 'Filter reusable blocks list' ),
   296 				'not_found_in_trash'       => __( 'No patterns found in Trash.' ),
   297 				'items_list_navigation'    => __( 'Reusable blocks list navigation' ),
   297 				'filter_items_list'        => __( 'Filter patterns list' ),
   298 				'items_list'               => __( 'Reusable blocks list' ),
   298 				'items_list_navigation'    => __( 'Patterns list navigation' ),
   299 				'item_published'           => __( 'Reusable block published.' ),
   299 				'items_list'               => __( 'Patterns list' ),
   300 				'item_published_privately' => __( 'Reusable block published privately.' ),
   300 				'item_published'           => __( 'Pattern published.' ),
   301 				'item_reverted_to_draft'   => __( 'Reusable block reverted to draft.' ),
   301 				'item_published_privately' => __( 'Pattern published privately.' ),
   302 				'item_scheduled'           => __( 'Reusable block scheduled.' ),
   302 				'item_reverted_to_draft'   => __( 'Pattern reverted to draft.' ),
   303 				'item_updated'             => __( 'Reusable block updated.' ),
   303 				'item_scheduled'           => __( 'Pattern scheduled.' ),
       
   304 				'item_updated'             => __( 'Pattern updated.' ),
   304 			),
   305 			),
   305 			'public'                => false,
   306 			'public'                => false,
   306 			'_builtin'              => true, /* internal use only. don't use this when registering your own post type. */
   307 			'_builtin'              => true, /* internal use only. don't use this when registering your own post type. */
   307 			'show_ui'               => true,
   308 			'show_ui'               => true,
   308 			'show_in_menu'          => false,
   309 			'show_in_menu'          => false,
   317 				// You need to be able to publish posts, in order to create blocks.
   318 				// You need to be able to publish posts, in order to create blocks.
   318 				'create_posts'           => 'publish_posts',
   319 				'create_posts'           => 'publish_posts',
   319 				'edit_posts'             => 'edit_posts',
   320 				'edit_posts'             => 'edit_posts',
   320 				'edit_published_posts'   => 'edit_published_posts',
   321 				'edit_published_posts'   => 'edit_published_posts',
   321 				'delete_published_posts' => 'delete_published_posts',
   322 				'delete_published_posts' => 'delete_published_posts',
       
   323 				// Enables trashing draft posts as well.
       
   324 				'delete_posts'           => 'delete_posts',
   322 				'edit_others_posts'      => 'edit_others_posts',
   325 				'edit_others_posts'      => 'edit_others_posts',
   323 				'delete_others_posts'    => 'delete_others_posts',
   326 				'delete_others_posts'    => 'delete_others_posts',
   324 			),
   327 			),
   325 			'map_meta_cap'          => true,
   328 			'map_meta_cap'          => true,
   326 			'supports'              => array(
   329 			'supports'              => array(
   327 				'title',
   330 				'title',
       
   331 				'excerpt',
   328 				'editor',
   332 				'editor',
   329 				'revisions',
   333 				'revisions',
       
   334 				'custom-fields',
   330 			),
   335 			),
   331 		)
   336 		)
   332 	);
   337 	);
   333 
   338 
       
   339 	$template_edit_link = 'site-editor.php?' . build_query(
       
   340 		array(
       
   341 			'postType' => '%s',
       
   342 			'postId'   => '%s',
       
   343 			'canvas'   => 'edit',
       
   344 		)
       
   345 	);
       
   346 
   334 	register_post_type(
   347 	register_post_type(
   335 		'wp_template',
   348 		'wp_template',
   336 		array(
   349 		array(
   337 			'labels'                => array(
   350 			'labels'                          => array(
   338 				'name'                  => _x( 'Templates', 'post type general name' ),
   351 				'name'                  => _x( 'Templates', 'post type general name' ),
   339 				'singular_name'         => _x( 'Template', 'post type singular name' ),
   352 				'singular_name'         => _x( 'Template', 'post type singular name' ),
   340 				'add_new'               => _x( 'Add New', 'Template' ),
   353 				'add_new'               => __( 'Add New Template' ),
   341 				'add_new_item'          => __( 'Add New Template' ),
   354 				'add_new_item'          => __( 'Add New Template' ),
   342 				'new_item'              => __( 'New Template' ),
   355 				'new_item'              => __( 'New Template' ),
   343 				'edit_item'             => __( 'Edit Template' ),
   356 				'edit_item'             => __( 'Edit Template' ),
   344 				'view_item'             => __( 'View Template' ),
   357 				'view_item'             => __( 'View Template' ),
   345 				'all_items'             => __( 'Templates' ),
   358 				'all_items'             => __( 'Templates' ),
   351 				'insert_into_item'      => __( 'Insert into template' ),
   364 				'insert_into_item'      => __( 'Insert into template' ),
   352 				'uploaded_to_this_item' => __( 'Uploaded to this template' ),
   365 				'uploaded_to_this_item' => __( 'Uploaded to this template' ),
   353 				'filter_items_list'     => __( 'Filter templates list' ),
   366 				'filter_items_list'     => __( 'Filter templates list' ),
   354 				'items_list_navigation' => __( 'Templates list navigation' ),
   367 				'items_list_navigation' => __( 'Templates list navigation' ),
   355 				'items_list'            => __( 'Templates list' ),
   368 				'items_list'            => __( 'Templates list' ),
       
   369 				'item_updated'          => __( 'Template updated.' ),
   356 			),
   370 			),
   357 			'description'           => __( 'Templates to include in your theme.' ),
   371 			'description'                     => __( 'Templates to include in your theme.' ),
   358 			'public'                => false,
   372 			'public'                          => false,
   359 			'_builtin'              => true, /* internal use only. don't use this when registering your own post type. */
   373 			'_builtin'                        => true, /* internal use only. don't use this when registering your own post type. */
   360 			'has_archive'           => false,
   374 			'_edit_link'                      => $template_edit_link, /* internal use only. don't use this when registering your own post type. */
   361 			'show_ui'               => false,
   375 			'has_archive'                     => false,
   362 			'show_in_menu'          => false,
   376 			'show_ui'                         => false,
   363 			'show_in_rest'          => true,
   377 			'show_in_menu'                    => false,
   364 			'rewrite'               => false,
   378 			'show_in_rest'                    => true,
   365 			'rest_base'             => 'templates',
   379 			'rewrite'                         => false,
   366 			'rest_controller_class' => 'WP_REST_Templates_Controller',
   380 			'rest_base'                       => 'templates',
   367 			'capability_type'       => array( 'template', 'templates' ),
   381 			'rest_controller_class'           => 'WP_REST_Templates_Controller',
   368 			'capabilities'          => array(
   382 			'autosave_rest_controller_class'  => 'WP_REST_Template_Autosaves_Controller',
       
   383 			'revisions_rest_controller_class' => 'WP_REST_Template_Revisions_Controller',
       
   384 			'late_route_registration'         => true,
       
   385 			'capability_type'                 => array( 'template', 'templates' ),
       
   386 			'capabilities'                    => array(
   369 				'create_posts'           => 'edit_theme_options',
   387 				'create_posts'           => 'edit_theme_options',
   370 				'delete_posts'           => 'edit_theme_options',
   388 				'delete_posts'           => 'edit_theme_options',
   371 				'delete_others_posts'    => 'edit_theme_options',
   389 				'delete_others_posts'    => 'edit_theme_options',
   372 				'delete_private_posts'   => 'edit_theme_options',
   390 				'delete_private_posts'   => 'edit_theme_options',
   373 				'delete_published_posts' => 'edit_theme_options',
   391 				'delete_published_posts' => 'edit_theme_options',
   377 				'edit_published_posts'   => 'edit_theme_options',
   395 				'edit_published_posts'   => 'edit_theme_options',
   378 				'publish_posts'          => 'edit_theme_options',
   396 				'publish_posts'          => 'edit_theme_options',
   379 				'read'                   => 'edit_theme_options',
   397 				'read'                   => 'edit_theme_options',
   380 				'read_private_posts'     => 'edit_theme_options',
   398 				'read_private_posts'     => 'edit_theme_options',
   381 			),
   399 			),
   382 			'map_meta_cap'          => true,
   400 			'map_meta_cap'                    => true,
   383 			'supports'              => array(
   401 			'supports'                        => array(
   384 				'title',
   402 				'title',
   385 				'slug',
   403 				'slug',
   386 				'excerpt',
   404 				'excerpt',
   387 				'editor',
   405 				'editor',
   388 				'revisions',
   406 				'revisions',
   392 	);
   410 	);
   393 
   411 
   394 	register_post_type(
   412 	register_post_type(
   395 		'wp_template_part',
   413 		'wp_template_part',
   396 		array(
   414 		array(
   397 			'labels'                => array(
   415 			'labels'                          => array(
   398 				'name'                  => _x( 'Template Parts', 'post type general name' ),
   416 				'name'                  => _x( 'Template Parts', 'post type general name' ),
   399 				'singular_name'         => _x( 'Template Part', 'post type singular name' ),
   417 				'singular_name'         => _x( 'Template Part', 'post type singular name' ),
   400 				'add_new'               => _x( 'Add New', 'Template Part' ),
   418 				'add_new'               => __( 'Add New Template Part' ),
   401 				'add_new_item'          => __( 'Add New Template Part' ),
   419 				'add_new_item'          => __( 'Add New Template Part' ),
   402 				'new_item'              => __( 'New Template Part' ),
   420 				'new_item'              => __( 'New Template Part' ),
   403 				'edit_item'             => __( 'Edit Template Part' ),
   421 				'edit_item'             => __( 'Edit Template Part' ),
   404 				'view_item'             => __( 'View Template Part' ),
   422 				'view_item'             => __( 'View Template Part' ),
   405 				'all_items'             => __( 'Template Parts' ),
   423 				'all_items'             => __( 'Template Parts' ),
   411 				'insert_into_item'      => __( 'Insert into template part' ),
   429 				'insert_into_item'      => __( 'Insert into template part' ),
   412 				'uploaded_to_this_item' => __( 'Uploaded to this template part' ),
   430 				'uploaded_to_this_item' => __( 'Uploaded to this template part' ),
   413 				'filter_items_list'     => __( 'Filter template parts list' ),
   431 				'filter_items_list'     => __( 'Filter template parts list' ),
   414 				'items_list_navigation' => __( 'Template parts list navigation' ),
   432 				'items_list_navigation' => __( 'Template parts list navigation' ),
   415 				'items_list'            => __( 'Template parts list' ),
   433 				'items_list'            => __( 'Template parts list' ),
       
   434 				'item_updated'          => __( 'Template part updated.' ),
   416 			),
   435 			),
   417 			'description'           => __( 'Template parts to include in your templates.' ),
   436 			'description'                     => __( 'Template parts to include in your templates.' ),
   418 			'public'                => false,
   437 			'public'                          => false,
   419 			'_builtin'              => true, /* internal use only. don't use this when registering your own post type. */
   438 			'_builtin'                        => true, /* internal use only. don't use this when registering your own post type. */
   420 			'has_archive'           => false,
   439 			'_edit_link'                      => $template_edit_link, /* internal use only. don't use this when registering your own post type. */
   421 			'show_ui'               => false,
   440 			'has_archive'                     => false,
   422 			'show_in_menu'          => false,
   441 			'show_ui'                         => false,
   423 			'show_in_rest'          => true,
   442 			'show_in_menu'                    => false,
   424 			'rewrite'               => false,
   443 			'show_in_rest'                    => true,
   425 			'rest_base'             => 'template-parts',
   444 			'rewrite'                         => false,
   426 			'rest_controller_class' => 'WP_REST_Templates_Controller',
   445 			'rest_base'                       => 'template-parts',
   427 			'map_meta_cap'          => true,
   446 			'rest_controller_class'           => 'WP_REST_Templates_Controller',
   428 			'capabilities'          => array(
   447 			'autosave_rest_controller_class'  => 'WP_REST_Template_Autosaves_Controller',
       
   448 			'revisions_rest_controller_class' => 'WP_REST_Template_Revisions_Controller',
       
   449 			'late_route_registration'         => true,
       
   450 			'map_meta_cap'                    => true,
       
   451 			'capabilities'                    => array(
   429 				'create_posts'           => 'edit_theme_options',
   452 				'create_posts'           => 'edit_theme_options',
   430 				'delete_posts'           => 'edit_theme_options',
   453 				'delete_posts'           => 'edit_theme_options',
   431 				'delete_others_posts'    => 'edit_theme_options',
   454 				'delete_others_posts'    => 'edit_theme_options',
   432 				'delete_private_posts'   => 'edit_theme_options',
   455 				'delete_private_posts'   => 'edit_theme_options',
   433 				'delete_published_posts' => 'edit_theme_options',
   456 				'delete_published_posts' => 'edit_theme_options',
   437 				'edit_published_posts'   => 'edit_theme_options',
   460 				'edit_published_posts'   => 'edit_theme_options',
   438 				'publish_posts'          => 'edit_theme_options',
   461 				'publish_posts'          => 'edit_theme_options',
   439 				'read'                   => 'edit_theme_options',
   462 				'read'                   => 'edit_theme_options',
   440 				'read_private_posts'     => 'edit_theme_options',
   463 				'read_private_posts'     => 'edit_theme_options',
   441 			),
   464 			),
   442 			'supports'              => array(
   465 			'supports'                        => array(
   443 				'title',
   466 				'title',
   444 				'slug',
   467 				'slug',
   445 				'excerpt',
   468 				'excerpt',
   446 				'editor',
   469 				'editor',
   447 				'revisions',
   470 				'revisions',
   451 	);
   474 	);
   452 
   475 
   453 	register_post_type(
   476 	register_post_type(
   454 		'wp_global_styles',
   477 		'wp_global_styles',
   455 		array(
   478 		array(
   456 			'label'        => _x( 'Global Styles', 'post type general name' ),
   479 			'label'                           => _x( 'Global Styles', 'post type general name' ),
   457 			'description'  => __( 'Global styles to include in themes.' ),
   480 			'description'                     => __( 'Global styles to include in themes.' ),
   458 			'public'       => false,
   481 			'public'                          => false,
   459 			'_builtin'     => true, /* internal use only. don't use this when registering your own post type. */
   482 			'_builtin'                        => true, /* internal use only. don't use this when registering your own post type. */
   460 			'show_ui'      => false,
   483 			'_edit_link'                      => '/site-editor.php?canvas=edit', /* internal use only. don't use this when registering your own post type. */
   461 			'show_in_rest' => false,
   484 			'show_ui'                         => false,
   462 			'rewrite'      => false,
   485 			'show_in_rest'                    => true,
   463 			'capabilities' => array(
   486 			'rewrite'                         => false,
       
   487 			'rest_base'                       => 'global-styles',
       
   488 			'rest_controller_class'           => 'WP_REST_Global_Styles_Controller',
       
   489 			'revisions_rest_controller_class' => 'WP_REST_Global_Styles_Revisions_Controller',
       
   490 			'late_route_registration'         => true,
       
   491 			'capabilities'                    => array(
   464 				'read'                   => 'edit_theme_options',
   492 				'read'                   => 'edit_theme_options',
   465 				'create_posts'           => 'edit_theme_options',
   493 				'create_posts'           => 'edit_theme_options',
   466 				'edit_posts'             => 'edit_theme_options',
   494 				'edit_posts'             => 'edit_theme_options',
   467 				'edit_published_posts'   => 'edit_theme_options',
   495 				'edit_published_posts'   => 'edit_theme_options',
   468 				'delete_published_posts' => 'edit_theme_options',
   496 				'delete_published_posts' => 'edit_theme_options',
   469 				'edit_others_posts'      => 'edit_theme_options',
   497 				'edit_others_posts'      => 'edit_theme_options',
   470 				'delete_others_posts'    => 'edit_theme_options',
   498 				'delete_others_posts'    => 'edit_theme_options',
   471 			),
   499 			),
   472 			'map_meta_cap' => true,
   500 			'map_meta_cap'                    => true,
   473 			'supports'     => array(
   501 			'supports'                        => array(
   474 				'title',
   502 				'title',
   475 				'editor',
   503 				'editor',
   476 				'revisions',
   504 				'revisions',
   477 			),
   505 			),
   478 		)
   506 		)
   479 	);
   507 	);
       
   508 	// Disable autosave endpoints for global styles.
       
   509 	remove_post_type_support( 'wp_global_styles', 'autosave' );
       
   510 
       
   511 	$navigation_post_edit_link = 'site-editor.php?' . build_query(
       
   512 		array(
       
   513 			'postId'   => '%s',
       
   514 			'postType' => 'wp_navigation',
       
   515 			'canvas'   => 'edit',
       
   516 		)
       
   517 	);
   480 
   518 
   481 	register_post_type(
   519 	register_post_type(
   482 		'wp_navigation',
   520 		'wp_navigation',
   483 		array(
   521 		array(
   484 			'labels'                => array(
   522 			'labels'                => array(
   485 				'name'                  => _x( 'Navigation Menus', 'post type general name' ),
   523 				'name'                  => _x( 'Navigation Menus', 'post type general name' ),
   486 				'singular_name'         => _x( 'Navigation Menu', 'post type singular name' ),
   524 				'singular_name'         => _x( 'Navigation Menu', 'post type singular name' ),
   487 				'add_new'               => _x( 'Add New', 'Navigation Menu' ),
   525 				'add_new'               => __( 'Add New Navigation Menu' ),
   488 				'add_new_item'          => __( 'Add New Navigation Menu' ),
   526 				'add_new_item'          => __( 'Add New Navigation Menu' ),
   489 				'new_item'              => __( 'New Navigation Menu' ),
   527 				'new_item'              => __( 'New Navigation Menu' ),
   490 				'edit_item'             => __( 'Edit Navigation Menu' ),
   528 				'edit_item'             => __( 'Edit Navigation Menu' ),
   491 				'view_item'             => __( 'View Navigation Menu' ),
   529 				'view_item'             => __( 'View Navigation Menu' ),
   492 				'all_items'             => __( 'Navigation Menus' ),
   530 				'all_items'             => __( 'Navigation Menus' ),
   502 				'items_list'            => __( 'Navigation Menus list' ),
   540 				'items_list'            => __( 'Navigation Menus list' ),
   503 			),
   541 			),
   504 			'description'           => __( 'Navigation menus that can be inserted into your site.' ),
   542 			'description'           => __( 'Navigation menus that can be inserted into your site.' ),
   505 			'public'                => false,
   543 			'public'                => false,
   506 			'_builtin'              => true, /* internal use only. don't use this when registering your own post type. */
   544 			'_builtin'              => true, /* internal use only. don't use this when registering your own post type. */
       
   545 			'_edit_link'            => $navigation_post_edit_link, /* internal use only. don't use this when registering your own post type. */
   507 			'has_archive'           => false,
   546 			'has_archive'           => false,
   508 			'show_ui'               => true,
   547 			'show_ui'               => true,
   509 			'show_in_menu'          => false,
   548 			'show_in_menu'          => false,
   510 			'show_in_admin_bar'     => false,
   549 			'show_in_admin_bar'     => false,
   511 			'show_in_rest'          => true,
   550 			'show_in_rest'          => true,
   532 				'revisions',
   571 				'revisions',
   533 			),
   572 			),
   534 		)
   573 		)
   535 	);
   574 	);
   536 
   575 
       
   576 	register_post_type(
       
   577 		'wp_font_family',
       
   578 		array(
       
   579 			'labels'                => array(
       
   580 				'name'          => __( 'Font Families' ),
       
   581 				'singular_name' => __( 'Font Family' ),
       
   582 			),
       
   583 			'public'                => false,
       
   584 			'_builtin'              => true, /* internal use only. don't use this when registering your own post type. */
       
   585 			'hierarchical'          => false,
       
   586 			'capabilities'          => array(
       
   587 				'read'                   => 'edit_theme_options',
       
   588 				'read_private_posts'     => 'edit_theme_options',
       
   589 				'create_posts'           => 'edit_theme_options',
       
   590 				'publish_posts'          => 'edit_theme_options',
       
   591 				'edit_posts'             => 'edit_theme_options',
       
   592 				'edit_others_posts'      => 'edit_theme_options',
       
   593 				'edit_published_posts'   => 'edit_theme_options',
       
   594 				'delete_posts'           => 'edit_theme_options',
       
   595 				'delete_others_posts'    => 'edit_theme_options',
       
   596 				'delete_published_posts' => 'edit_theme_options',
       
   597 			),
       
   598 			'map_meta_cap'          => true,
       
   599 			'query_var'             => false,
       
   600 			'rewrite'               => false,
       
   601 			'show_in_rest'          => true,
       
   602 			'rest_base'             => 'font-families',
       
   603 			'rest_controller_class' => 'WP_REST_Font_Families_Controller',
       
   604 			'supports'              => array( 'title' ),
       
   605 		)
       
   606 	);
       
   607 
       
   608 	register_post_type(
       
   609 		'wp_font_face',
       
   610 		array(
       
   611 			'labels'                => array(
       
   612 				'name'          => __( 'Font Faces' ),
       
   613 				'singular_name' => __( 'Font Face' ),
       
   614 			),
       
   615 			'public'                => false,
       
   616 			'_builtin'              => true, /* internal use only. don't use this when registering your own post type. */
       
   617 			'hierarchical'          => false,
       
   618 			'capabilities'          => array(
       
   619 				'read'                   => 'edit_theme_options',
       
   620 				'read_private_posts'     => 'edit_theme_options',
       
   621 				'create_posts'           => 'edit_theme_options',
       
   622 				'publish_posts'          => 'edit_theme_options',
       
   623 				'edit_posts'             => 'edit_theme_options',
       
   624 				'edit_others_posts'      => 'edit_theme_options',
       
   625 				'edit_published_posts'   => 'edit_theme_options',
       
   626 				'delete_posts'           => 'edit_theme_options',
       
   627 				'delete_others_posts'    => 'edit_theme_options',
       
   628 				'delete_published_posts' => 'edit_theme_options',
       
   629 			),
       
   630 			'map_meta_cap'          => true,
       
   631 			'query_var'             => false,
       
   632 			'rewrite'               => false,
       
   633 			'show_in_rest'          => true,
       
   634 			'rest_base'             => 'font-families/(?P<font_family_id>[\d]+)/font-faces',
       
   635 			'rest_controller_class' => 'WP_REST_Font_Faces_Controller',
       
   636 			'supports'              => array( 'title' ),
       
   637 		)
       
   638 	);
       
   639 
   537 	register_post_status(
   640 	register_post_status(
   538 		'publish',
   641 		'publish',
   539 		array(
   642 		array(
   540 			'label'       => _x( 'Published', 'post status' ),
   643 			'label'       => _x( 'Published', 'post status' ),
   541 			'public'      => true,
   644 			'public'      => true,
   701 		)
   804 		)
   702 	);
   805 	);
   703 }
   806 }
   704 
   807 
   705 /**
   808 /**
   706  * Retrieve attached file path based on attachment ID.
   809  * Retrieves attached file path based on attachment ID.
   707  *
   810  *
   708  * By default the path will go through the 'get_attached_file' filter, but
   811  * By default the path will go through the {@see 'get_attached_file'} filter, but
   709  * passing a true to the $unfiltered argument of get_attached_file() will
   812  * passing `true` to the `$unfiltered` argument will return the file path unfiltered.
   710  * return the file path unfiltered.
   813  *
   711  *
   814  * The function works by retrieving the `_wp_attached_file` post meta value.
   712  * The function works by getting the single post meta name, named
   815  * This is a convenience function to prevent looking up the meta name and provide
   713  * '_wp_attached_file' and returning it. This is a convenience function to
   816  * a mechanism for sending the attached filename through a filter.
   714  * prevent looking up the meta name and provide a mechanism for sending the
       
   715  * attached filename through a filter.
       
   716  *
   817  *
   717  * @since 2.0.0
   818  * @since 2.0.0
   718  *
   819  *
   719  * @param int  $attachment_id Attachment ID.
   820  * @param int  $attachment_id Attachment ID.
   720  * @param bool $unfiltered    Optional. Whether to apply filters. Default false.
   821  * @param bool $unfiltered    Optional. Whether to skip the {@see 'get_attached_file'} filter.
       
   822  *                            Default false.
   721  * @return string|false The file path to where the attached file should be, false otherwise.
   823  * @return string|false The file path to where the attached file should be, false otherwise.
   722  */
   824  */
   723 function get_attached_file( $attachment_id, $unfiltered = false ) {
   825 function get_attached_file( $attachment_id, $unfiltered = false ) {
   724 	$file = get_post_meta( $attachment_id, '_wp_attached_file', true );
   826 	$file = get_post_meta( $attachment_id, '_wp_attached_file', true );
   725 
   827 
   726 	// If the file is relative, prepend upload dir.
   828 	// If the file is relative, prepend upload dir.
   727 	if ( $file && 0 !== strpos( $file, '/' ) && ! preg_match( '|^.:\\\|', $file ) ) {
   829 	if ( $file && ! str_starts_with( $file, '/' ) && ! preg_match( '|^.:\\\|', $file ) ) {
   728 		$uploads = wp_get_upload_dir();
   830 		$uploads = wp_get_upload_dir();
   729 		if ( false === $uploads['error'] ) {
   831 		if ( false === $uploads['error'] ) {
   730 			$file = $uploads['basedir'] . "/$file";
   832 			$file = $uploads['basedir'] . "/$file";
   731 		}
   833 		}
   732 	}
   834 	}
   745 	 */
   847 	 */
   746 	return apply_filters( 'get_attached_file', $file, $attachment_id );
   848 	return apply_filters( 'get_attached_file', $file, $attachment_id );
   747 }
   849 }
   748 
   850 
   749 /**
   851 /**
   750  * Update attachment file path based on attachment ID.
   852  * Updates attachment file path based on attachment ID.
   751  *
   853  *
   752  * Used to update the file path of the attachment, which uses post meta name
   854  * Used to update the file path of the attachment, which uses post meta name
   753  * '_wp_attached_file' to store the path of the attachment.
   855  * '_wp_attached_file' to store the path of the attachment.
   754  *
   856  *
   755  * @since 2.1.0
   857  * @since 2.1.0
   780 		return delete_post_meta( $attachment_id, '_wp_attached_file' );
   882 		return delete_post_meta( $attachment_id, '_wp_attached_file' );
   781 	}
   883 	}
   782 }
   884 }
   783 
   885 
   784 /**
   886 /**
   785  * Return relative path to an uploaded file.
   887  * Returns relative path to an uploaded file.
   786  *
   888  *
   787  * The path is relative to the current upload dir.
   889  * The path is relative to the current upload dir.
   788  *
   890  *
   789  * @since 2.9.0
   891  * @since 2.9.0
   790  * @access private
   892  * @access private
   794  */
   896  */
   795 function _wp_relative_upload_path( $path ) {
   897 function _wp_relative_upload_path( $path ) {
   796 	$new_path = $path;
   898 	$new_path = $path;
   797 
   899 
   798 	$uploads = wp_get_upload_dir();
   900 	$uploads = wp_get_upload_dir();
   799 	if ( 0 === strpos( $new_path, $uploads['basedir'] ) ) {
   901 	if ( str_starts_with( $new_path, $uploads['basedir'] ) ) {
   800 			$new_path = str_replace( $uploads['basedir'], '', $new_path );
   902 			$new_path = str_replace( $uploads['basedir'], '', $new_path );
   801 			$new_path = ltrim( $new_path, '/' );
   903 			$new_path = ltrim( $new_path, '/' );
   802 	}
   904 	}
   803 
   905 
   804 	/**
   906 	/**
   811 	 */
   913 	 */
   812 	return apply_filters( '_wp_relative_upload_path', $new_path, $path );
   914 	return apply_filters( '_wp_relative_upload_path', $new_path, $path );
   813 }
   915 }
   814 
   916 
   815 /**
   917 /**
   816  * Retrieve all children of the post parent ID.
   918  * Retrieves all children of the post parent ID.
   817  *
   919  *
   818  * Normally, without any enhancements, the children would apply to pages. In the
   920  * Normally, without any enhancements, the children would apply to pages. In the
   819  * context of the inner workings of WordPress, pages, posts, and attachments
   921  * context of the inner workings of WordPress, pages, posts, and attachments
   820  * share the same table, so therefore the functionality could apply to any one
   922  * share the same table, so therefore the functionality could apply to any one
   821  * of them. It is then noted that while this function does not work on posts, it
   923  * of them. It is then noted that while this function does not work on posts, it
   859  *
   961  *
   860  * @param mixed  $args   Optional. User defined arguments for replacing the defaults. Default empty.
   962  * @param mixed  $args   Optional. User defined arguments for replacing the defaults. Default empty.
   861  * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which
   963  * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which
   862  *                       correspond to a WP_Post object, an associative array, or a numeric array,
   964  *                       correspond to a WP_Post object, an associative array, or a numeric array,
   863  *                       respectively. Default OBJECT.
   965  *                       respectively. Default OBJECT.
   864  * @return WP_Post[]|int[] Array of post objects or post IDs.
   966  * @return WP_Post[]|array[]|int[] Array of post objects, arrays, or IDs, depending on `$output`.
   865  */
   967  */
   866 function get_children( $args = '', $output = OBJECT ) {
   968 function get_children( $args = '', $output = OBJECT ) {
   867 	$kids = array();
   969 	$kids = array();
   868 	if ( empty( $args ) ) {
   970 	if ( empty( $args ) ) {
   869 		if ( isset( $GLOBALS['post'] ) ) {
   971 		if ( isset( $GLOBALS['post'] ) ) {
   920 		return $kids;
  1022 		return $kids;
   921 	}
  1023 	}
   922 }
  1024 }
   923 
  1025 
   924 /**
  1026 /**
   925  * Get extended entry info (<!--more-->).
  1027  * Gets extended entry info (<!--more-->).
   926  *
  1028  *
   927  * There should not be any space after the second dash and before the word
  1029  * There should not be any space after the second dash and before the word
   928  * 'more'. There can be text or space(s) after the word 'more', but won't be
  1030  * 'more'. There can be text or space(s) after the word 'more', but won't be
   929  * referenced.
  1031  * referenced.
   930  *
  1032  *
  1054 
  1156 
  1055 	return $ancestors;
  1157 	return $ancestors;
  1056 }
  1158 }
  1057 
  1159 
  1058 /**
  1160 /**
  1059  * Retrieve data from a post field based on Post ID.
  1161  * Retrieves data from a post field based on Post ID.
  1060  *
  1162  *
  1061  * Examples of the post field will be, 'post_type', 'post_status', 'post_content',
  1163  * Examples of the post field will be, 'post_type', 'post_status', 'post_content',
  1062  * etc and based off of the post object property or key names.
  1164  * etc and based off of the post object property or key names.
  1063  *
  1165  *
  1064  * The context values are based off of the taxonomy filter functions and
  1166  * The context values are based off of the taxonomy filter functions and
  1088 
  1190 
  1089 	return sanitize_post_field( $field, $post->$field, $post->ID, $context );
  1191 	return sanitize_post_field( $field, $post->$field, $post->ID, $context );
  1090 }
  1192 }
  1091 
  1193 
  1092 /**
  1194 /**
  1093  * Retrieve the mime type of an attachment based on the ID.
  1195  * Retrieves the mime type of an attachment based on the ID.
  1094  *
  1196  *
  1095  * This function can be used with any post type, but it makes more sense with
  1197  * This function can be used with any post type, but it makes more sense with
  1096  * attachments.
  1198  * attachments.
  1097  *
  1199  *
  1098  * @since 2.0.0
  1200  * @since 2.0.0
  1109 
  1211 
  1110 	return false;
  1212 	return false;
  1111 }
  1213 }
  1112 
  1214 
  1113 /**
  1215 /**
  1114  * Retrieve the post status based on the post ID.
  1216  * Retrieves the post status based on the post ID.
  1115  *
  1217  *
  1116  * If the post ID is of an attachment, then the parent post status will be given
  1218  * If the post ID is of an attachment, then the parent post status will be given
  1117  * instead.
  1219  * instead.
  1118  *
  1220  *
  1119  * @since 2.0.0
  1221  * @since 2.0.0
  1120  *
  1222  *
  1121  * @param int|WP_Post $post Optional. Post ID or post object. Defaults to global $post.
  1223  * @param int|WP_Post $post Optional. Post ID or post object. Defaults to global $post.
  1122  * @return string|false Post status on success, false on failure.
  1224  * @return string|false Post status on success, false on failure.
  1123  */
  1225  */
  1124 function get_post_status( $post = null ) {
  1226 function get_post_status( $post = null ) {
  1125 	$post = get_post( $post );
  1227 	// Normalize the post object if necessary, skip normalization if called from get_sample_permalink().
       
  1228 	if ( ! $post instanceof WP_Post || ! isset( $post->filter ) || 'sample' !== $post->filter ) {
       
  1229 		$post = get_post( $post );
       
  1230 	}
  1126 
  1231 
  1127 	if ( ! is_object( $post ) ) {
  1232 	if ( ! is_object( $post ) ) {
  1128 		return false;
  1233 		return false;
  1129 	}
  1234 	}
  1130 
  1235 
  1142 			// Unattached attachments with inherit status are assumed to be published.
  1247 			// Unattached attachments with inherit status are assumed to be published.
  1143 			$post_status = 'publish';
  1248 			$post_status = 'publish';
  1144 		} elseif ( 'trash' === get_post_status( $post->post_parent ) ) {
  1249 		} elseif ( 'trash' === get_post_status( $post->post_parent ) ) {
  1145 			// Get parent status prior to trashing.
  1250 			// Get parent status prior to trashing.
  1146 			$post_status = get_post_meta( $post->post_parent, '_wp_trash_meta_status', true );
  1251 			$post_status = get_post_meta( $post->post_parent, '_wp_trash_meta_status', true );
       
  1252 
  1147 			if ( ! $post_status ) {
  1253 			if ( ! $post_status ) {
  1148 				// Assume publish as above.
  1254 				// Assume publish as above.
  1149 				$post_status = 'publish';
  1255 				$post_status = 'publish';
  1150 			}
  1256 			}
  1151 		} else {
  1257 		} else {
  1176 	 */
  1282 	 */
  1177 	return apply_filters( 'get_post_status', $post_status, $post );
  1283 	return apply_filters( 'get_post_status', $post_status, $post );
  1178 }
  1284 }
  1179 
  1285 
  1180 /**
  1286 /**
  1181  * Retrieve all of the WordPress supported post statuses.
  1287  * Retrieves all of the WordPress supported post statuses.
  1182  *
  1288  *
  1183  * Posts have a limited set of valid status values, this provides the
  1289  * Posts have a limited set of valid status values, this provides the
  1184  * post_status values and descriptions.
  1290  * post_status values and descriptions.
  1185  *
  1291  *
  1186  * @since 2.5.0
  1292  * @since 2.5.0
  1197 
  1303 
  1198 	return $status;
  1304 	return $status;
  1199 }
  1305 }
  1200 
  1306 
  1201 /**
  1307 /**
  1202  * Retrieve all of the WordPress support page statuses.
  1308  * Retrieves all of the WordPress support page statuses.
  1203  *
  1309  *
  1204  * Pages have a limited set of valid status values, this provides the
  1310  * Pages have a limited set of valid status values, this provides the
  1205  * post_status values and descriptions.
  1311  * post_status values and descriptions.
  1206  *
  1312  *
  1207  * @since 2.5.0
  1313  * @since 2.5.0
  1217 
  1323 
  1218 	return $status;
  1324 	return $status;
  1219 }
  1325 }
  1220 
  1326 
  1221 /**
  1327 /**
  1222  * Return statuses for privacy requests.
  1328  * Returns statuses for privacy requests.
  1223  *
  1329  *
  1224  * @since 4.9.6
  1330  * @since 4.9.6
  1225  * @access private
  1331  * @access private
  1226  *
  1332  *
  1227  * @return array
  1333  * @return string[] Array of privacy request status labels keyed by their status.
  1228  */
  1334  */
  1229 function _wp_privacy_statuses() {
  1335 function _wp_privacy_statuses() {
  1230 	return array(
  1336 	return array(
  1231 		'request-pending'   => _x( 'Pending', 'request status' ),      // Pending confirmation from user.
  1337 		'request-pending'   => _x( 'Pending', 'request status' ),      // Pending confirmation from user.
  1232 		'request-confirmed' => _x( 'Confirmed', 'request status' ),    // User has confirmed the action.
  1338 		'request-confirmed' => _x( 'Confirmed', 'request status' ),    // User has confirmed the action.
  1234 		'request-completed' => _x( 'Completed', 'request status' ),    // Admin has handled the request.
  1340 		'request-completed' => _x( 'Completed', 'request status' ),    // Admin has handled the request.
  1235 	);
  1341 	);
  1236 }
  1342 }
  1237 
  1343 
  1238 /**
  1344 /**
  1239  * Register a post status. Do not use before init.
  1345  * Registers a post status. Do not use before init.
  1240  *
  1346  *
  1241  * A simple function for creating or modifying a post status based on the
  1347  * A simple function for creating or modifying a post status based on the
  1242  * parameters given. The function will accept an array (second optional
  1348  * parameters given. The function will accept an array (second optional
  1243  * parameter), along with a string for the post status name.
  1349  * parameter), along with a string for the post status name.
  1244  *
  1350  *
  1252  * @param array|string $args {
  1358  * @param array|string $args {
  1253  *     Optional. Array or string of post status arguments.
  1359  *     Optional. Array or string of post status arguments.
  1254  *
  1360  *
  1255  *     @type bool|string $label                     A descriptive name for the post status marked
  1361  *     @type bool|string $label                     A descriptive name for the post status marked
  1256  *                                                  for translation. Defaults to value of $post_status.
  1362  *                                                  for translation. Defaults to value of $post_status.
  1257  *     @type bool|array  $label_count               Descriptive text to use for nooped plurals.
  1363  *     @type array|false $label_count               Nooped plural text from _n_noop() to provide the singular
  1258  *                                                  Default array of $label, twice.
  1364  *                                                  and plural forms of the label for counts. Default false
       
  1365  *                                                  which means the `$label` argument will be used for both
       
  1366  *                                                  the singular and plural forms of this label.
  1259  *     @type bool        $exclude_from_search       Whether to exclude posts with this post status
  1367  *     @type bool        $exclude_from_search       Whether to exclude posts with this post status
  1260  *                                                  from search results. Default is value of $internal.
  1368  *                                                  from search results. Default is value of $internal.
  1261  *     @type bool        $_builtin                  Whether the status is built-in. Core-use only.
  1369  *     @type bool        $_builtin                  Whether the status is built-in. Core-use only.
  1262  *                                                  Default false.
  1370  *                                                  Default false.
  1263  *     @type bool        $public                    Whether posts of this status should be shown
  1371  *     @type bool        $public                    Whether posts of this status should be shown
  1354 	if ( false === $args->label ) {
  1462 	if ( false === $args->label ) {
  1355 		$args->label = $post_status;
  1463 		$args->label = $post_status;
  1356 	}
  1464 	}
  1357 
  1465 
  1358 	if ( false === $args->label_count ) {
  1466 	if ( false === $args->label_count ) {
  1359 		// phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralSingle,WordPress.WP.I18n.NonSingularStringLiteralPlural
  1467 		// phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralSingular,WordPress.WP.I18n.NonSingularStringLiteralPlural
  1360 		$args->label_count = _n_noop( $args->label, $args->label );
  1468 		$args->label_count = _n_noop( $args->label, $args->label );
  1361 	}
  1469 	}
  1362 
  1470 
  1363 	$wp_post_statuses[ $post_status ] = $args;
  1471 	$wp_post_statuses[ $post_status ] = $args;
  1364 
  1472 
  1365 	return $args;
  1473 	return $args;
  1366 }
  1474 }
  1367 
  1475 
  1368 /**
  1476 /**
  1369  * Retrieve a post status object by name.
  1477  * Retrieves a post status object by name.
  1370  *
  1478  *
  1371  * @since 3.0.0
  1479  * @since 3.0.0
  1372  *
  1480  *
  1373  * @global stdClass[] $wp_post_statuses List of post statuses.
  1481  * @global stdClass[] $wp_post_statuses List of post statuses.
  1374  *
  1482  *
  1386 
  1494 
  1387 	return $wp_post_statuses[ $post_status ];
  1495 	return $wp_post_statuses[ $post_status ];
  1388 }
  1496 }
  1389 
  1497 
  1390 /**
  1498 /**
  1391  * Get a list of post statuses.
  1499  * Gets a list of post statuses.
  1392  *
  1500  *
  1393  * @since 3.0.0
  1501  * @since 3.0.0
  1394  *
  1502  *
  1395  * @global stdClass[] $wp_post_statuses List of post statuses.
  1503  * @global stdClass[] $wp_post_statuses List of post statuses.
  1396  *
  1504  *
  1411 
  1519 
  1412 	return wp_filter_object_list( $wp_post_statuses, $args, $operator, $field );
  1520 	return wp_filter_object_list( $wp_post_statuses, $args, $operator, $field );
  1413 }
  1521 }
  1414 
  1522 
  1415 /**
  1523 /**
  1416  * Whether the post type is hierarchical.
  1524  * Determines whether the post type is hierarchical.
  1417  *
  1525  *
  1418  * A false return value might also mean that the post type does not exist.
  1526  * A false return value might also mean that the post type does not exist.
  1419  *
  1527  *
  1420  * @since 3.0.0
  1528  * @since 3.0.0
  1421  *
  1529  *
  1490 
  1598 
  1491 	return $wp_post_types[ $post_type ];
  1599 	return $wp_post_types[ $post_type ];
  1492 }
  1600 }
  1493 
  1601 
  1494 /**
  1602 /**
  1495  * Get a list of all registered post type objects.
  1603  * Gets a list of all registered post type objects.
  1496  *
  1604  *
  1497  * @since 2.9.0
  1605  * @since 2.9.0
  1498  *
  1606  *
  1499  * @global array $wp_post_types List of post types.
  1607  * @global array $wp_post_types List of post types.
  1500  *
  1608  *
  1501  * @see register_post_type() for accepted arguments.
  1609  * @see register_post_type() for accepted arguments.
  1502  *
  1610  *
  1503  * @param array|string $args     Optional. An array of key => value arguments to match against
  1611  * @param array|string $args     Optional. An array of key => value arguments to match against
  1504  *                               the post type objects. Default empty array.
  1612  *                               the post type objects. Default empty array.
  1505  * @param string       $output   Optional. The type of output to return. Accepts post type 'names'
  1613  * @param string       $output   Optional. The type of output to return. Either 'names'
  1506  *                               or 'objects'. Default 'names'.
  1614  *                               or 'objects'. Default 'names'.
  1507  * @param string       $operator Optional. The logical operation to perform. 'or' means only one
  1615  * @param string       $operator Optional. The logical operation to perform. 'or' means only one
  1508  *                               element from the array needs to match; 'and' means all elements
  1616  *                               element from the array needs to match; 'and' means all elements
  1509  *                               must match; 'not' means no elements may match. Default 'and'.
  1617  *                               must match; 'not' means no elements may match. Default 'and'.
  1510  * @return string[]|WP_Post_Type[] An array of post type names or objects.
  1618  * @return string[]|WP_Post_Type[] An array of post type names or objects.
  1542  * @since 5.3.0 The `supports` argument will now accept an array of arguments for a feature.
  1650  * @since 5.3.0 The `supports` argument will now accept an array of arguments for a feature.
  1543  * @since 5.9.0 The `rest_namespace` argument was added.
  1651  * @since 5.9.0 The `rest_namespace` argument was added.
  1544  *
  1652  *
  1545  * @global array $wp_post_types List of post types.
  1653  * @global array $wp_post_types List of post types.
  1546  *
  1654  *
  1547  * @param string       $post_type Post type key. Must not exceed 20 characters and may
  1655  * @param string       $post_type Post type key. Must not exceed 20 characters and may only contain
  1548  *                                only contain lowercase alphanumeric characters, dashes,
  1656  *                                lowercase alphanumeric characters, dashes, and underscores. See sanitize_key().
  1549  *                                and underscores. See sanitize_key().
       
  1550  * @param array|string $args {
  1657  * @param array|string $args {
  1551  *     Array or string of arguments for registering a post type.
  1658  *     Array or string of arguments for registering a post type.
  1552  *
  1659  *
  1553  *     @type string       $label                 Name of the post type shown in the menu. Usually plural.
  1660  *     @type string       $label                           Name of the post type shown in the menu. Usually plural.
  1554  *                                               Default is value of $labels['name'].
  1661  *                                                         Default is value of $labels['name'].
  1555  *     @type string[]     $labels                An array of labels for this post type. If not set, post
  1662  *     @type string[]     $labels                          An array of labels for this post type. If not set, post
  1556  *                                               labels are inherited for non-hierarchical types and page
  1663  *                                                         labels are inherited for non-hierarchical types and page
  1557  *                                               labels for hierarchical ones. See get_post_type_labels() for a full
  1664  *                                                         labels for hierarchical ones. See get_post_type_labels() for a full
  1558  *                                               list of supported labels.
  1665  *                                                         list of supported labels.
  1559  *     @type string       $description           A short descriptive summary of what the post type is.
  1666  *     @type string       $description                     A short descriptive summary of what the post type is.
  1560  *                                               Default empty.
  1667  *                                                         Default empty.
  1561  *     @type bool         $public                Whether a post type is intended for use publicly either via
  1668  *     @type bool         $public                          Whether a post type is intended for use publicly either via
  1562  *                                               the admin interface or by front-end users. While the default
  1669  *                                                         the admin interface or by front-end users. While the default
  1563  *                                               settings of $exclude_from_search, $publicly_queryable, $show_ui,
  1670  *                                                         settings of $exclude_from_search, $publicly_queryable, $show_ui,
  1564  *                                               and $show_in_nav_menus are inherited from $public, each does not
  1671  *                                                         and $show_in_nav_menus are inherited from $public, each does not
  1565  *                                               rely on this relationship and controls a very specific intention.
  1672  *                                                         rely on this relationship and controls a very specific intention.
  1566  *                                               Default false.
  1673  *                                                         Default false.
  1567  *     @type bool         $hierarchical          Whether the post type is hierarchical (e.g. page). Default false.
  1674  *     @type bool         $hierarchical                    Whether the post type is hierarchical (e.g. page). Default false.
  1568  *     @type bool         $exclude_from_search   Whether to exclude posts with this post type from front end search
  1675  *     @type bool         $exclude_from_search             Whether to exclude posts with this post type from front end search
  1569  *                                               results. Default is the opposite value of $public.
  1676  *                                                         results. Default is the opposite value of $public.
  1570  *     @type bool         $publicly_queryable    Whether queries can be performed on the front end for the post type
  1677  *     @type bool         $publicly_queryable              Whether queries can be performed on the front end for the post type
  1571  *                                               as part of parse_request(). Endpoints would include:
  1678  *                                                         as part of parse_request(). Endpoints would include:
  1572  *                                               * ?post_type={post_type_key}
  1679  *                                                          * ?post_type={post_type_key}
  1573  *                                               * ?{post_type_key}={single_post_slug}
  1680  *                                                          * ?{post_type_key}={single_post_slug}
  1574  *                                               * ?{post_type_query_var}={single_post_slug}
  1681  *                                                          * ?{post_type_query_var}={single_post_slug}
  1575  *                                               If not set, the default is inherited from $public.
  1682  *                                                         If not set, the default is inherited from $public.
  1576  *     @type bool         $show_ui               Whether to generate and allow a UI for managing this post type in the
  1683  *     @type bool         $show_ui                         Whether to generate and allow a UI for managing this post type in the
  1577  *                                               admin. Default is value of $public.
  1684  *                                                         admin. Default is value of $public.
  1578  *     @type bool|string  $show_in_menu          Where to show the post type in the admin menu. To work, $show_ui
  1685  *     @type bool|string  $show_in_menu                    Where to show the post type in the admin menu. To work, $show_ui
  1579  *                                               must be true. If true, the post type is shown in its own top level
  1686  *                                                         must be true. If true, the post type is shown in its own top level
  1580  *                                               menu. If false, no menu is shown. If a string of an existing top
  1687  *                                                         menu. If false, no menu is shown. If a string of an existing top
  1581  *                                               level menu ('tools.php' or 'edit.php?post_type=page', for example), the
  1688  *                                                         level menu ('tools.php' or 'edit.php?post_type=page', for example), the
  1582  *                                               post type will be placed as a sub-menu of that.
  1689  *                                                         post type will be placed as a sub-menu of that.
  1583  *                                               Default is value of $show_ui.
  1690  *                                                         Default is value of $show_ui.
  1584  *     @type bool         $show_in_nav_menus     Makes this post type available for selection in navigation menus.
  1691  *     @type bool         $show_in_nav_menus               Makes this post type available for selection in navigation menus.
  1585  *                                               Default is value of $public.
  1692  *                                                         Default is value of $public.
  1586  *     @type bool         $show_in_admin_bar     Makes this post type available via the admin bar. Default is value
  1693  *     @type bool         $show_in_admin_bar               Makes this post type available via the admin bar. Default is value
  1587  *                                               of $show_in_menu.
  1694  *                                                         of $show_in_menu.
  1588  *     @type bool         $show_in_rest          Whether to include the post type in the REST API. Set this to true
  1695  *     @type bool         $show_in_rest                    Whether to include the post type in the REST API. Set this to true
  1589  *                                               for the post type to be available in the block editor.
  1696  *                                                         for the post type to be available in the block editor.
  1590  *     @type string       $rest_base             To change the base URL of REST API route. Default is $post_type.
  1697  *     @type string       $rest_base                       To change the base URL of REST API route. Default is $post_type.
  1591  *     @type string       $rest_namespace        To change the namespace URL of REST API route. Default is wp/v2.
  1698  *     @type string       $rest_namespace                  To change the namespace URL of REST API route. Default is wp/v2.
  1592  *     @type string       $rest_controller_class REST API controller class name. Default is 'WP_REST_Posts_Controller'.
  1699  *     @type string       $rest_controller_class           REST API controller class name. Default is 'WP_REST_Posts_Controller'.
  1593  *     @type int          $menu_position         The position in the menu order the post type should appear. To work,
  1700  *     @type string|bool  $autosave_rest_controller_class  REST API controller class name. Default is 'WP_REST_Autosaves_Controller'.
  1594  *                                               $show_in_menu must be true. Default null (at the bottom).
  1701  *     @type string|bool  $revisions_rest_controller_class REST API controller class name. Default is 'WP_REST_Revisions_Controller'.
  1595  *     @type string       $menu_icon             The URL to the icon to be used for this menu. Pass a base64-encoded
  1702  *     @type bool         $late_route_registration         A flag to direct the REST API controllers for autosave / revisions
  1596  *                                               SVG using a data URI, which will be colored to match the color scheme
  1703  *                                                         should be registered before/after the post type controller.
  1597  *                                               -- this should begin with 'data:image/svg+xml;base64,'. Pass the name
  1704  *     @type int          $menu_position                   The position in the menu order the post type should appear. To work,
  1598  *                                               of a Dashicons helper class to use a font icon, e.g.
  1705  *                                                         $show_in_menu must be true. Default null (at the bottom).
  1599  *                                               'dashicons-chart-pie'. Pass 'none' to leave div.wp-menu-image empty
  1706  *     @type string       $menu_icon                       The URL to the icon to be used for this menu. Pass a base64-encoded
  1600  *                                               so an icon can be added via CSS. Defaults to use the posts icon.
  1707  *                                                         SVG using a data URI, which will be colored to match the color scheme
  1601  *     @type string|array $capability_type       The string to use to build the read, edit, and delete capabilities.
  1708  *                                                         -- this should begin with 'data:image/svg+xml;base64,'. Pass the name
  1602  *                                               May be passed as an array to allow for alternative plurals when using
  1709  *                                                         of a Dashicons helper class to use a font icon, e.g.
  1603  *                                               this argument as a base to construct the capabilities, e.g.
  1710  *                                                        'dashicons-chart-pie'. Pass 'none' to leave div.wp-menu-image empty
  1604  *                                               array('story', 'stories'). Default 'post'.
  1711  *                                                         so an icon can be added via CSS. Defaults to use the posts icon.
  1605  *     @type string[]     $capabilities          Array of capabilities for this post type. $capability_type is used
  1712  *     @type string|array $capability_type                 The string to use to build the read, edit, and delete capabilities.
  1606  *                                               as a base to construct capabilities by default.
  1713  *                                                         May be passed as an array to allow for alternative plurals when using
  1607  *                                               See get_post_type_capabilities().
  1714  *                                                         this argument as a base to construct the capabilities, e.g.
  1608  *     @type bool         $map_meta_cap          Whether to use the internal default meta capability handling.
  1715  *                                                         array('story', 'stories'). Default 'post'.
  1609  *                                               Default false.
  1716  *     @type string[]     $capabilities                    Array of capabilities for this post type. $capability_type is used
  1610  *     @type array        $supports              Core feature(s) the post type supports. Serves as an alias for calling
  1717  *                                                         as a base to construct capabilities by default.
  1611  *                                               add_post_type_support() directly. Core features include 'title',
  1718  *                                                         See get_post_type_capabilities().
  1612  *                                               'editor', 'comments', 'revisions', 'trackbacks', 'author', 'excerpt',
  1719  *     @type bool         $map_meta_cap                    Whether to use the internal default meta capability handling.
  1613  *                                               'page-attributes', 'thumbnail', 'custom-fields', and 'post-formats'.
  1720  *                                                         Default false.
  1614  *                                               Additionally, the 'revisions' feature dictates whether the post type
  1721  *     @type array|false  $supports                        Core feature(s) the post type supports. Serves as an alias for calling
  1615  *                                               will store revisions, and the 'comments' feature dictates whether the
  1722  *                                                         add_post_type_support() directly. Core features include 'title',
  1616  *                                               comments count will show on the edit screen. A feature can also be
  1723  *                                                         'editor', 'comments', 'revisions', 'trackbacks', 'author', 'excerpt',
  1617  *                                               specified as an array of arguments to provide additional information
  1724  *                                                         'page-attributes', 'thumbnail', 'custom-fields', and 'post-formats'.
  1618  *                                               about supporting that feature.
  1725  *                                                         Additionally, the 'revisions' feature dictates whether the post type
  1619  *                                               Example: `array( 'my_feature', array( 'field' => 'value' ) )`.
  1726  *                                                         will store revisions, the 'autosave' feature dictates whether the post type
  1620  *                                               Default is an array containing 'title' and 'editor'.
  1727  *                                                         will be autosaved, and the 'comments' feature dictates whether the
  1621  *     @type callable     $register_meta_box_cb  Provide a callback function that sets up the meta boxes for the
  1728  *                                                         comments count will show on the edit screen. For backward compatibility reasons,
  1622  *                                               edit form. Do remove_meta_box() and add_meta_box() calls in the
  1729  *                                                         adding 'editor' support implies 'autosave' support too. A feature can also be
  1623  *                                               callback. Default null.
  1730  *                                                         specified as an array of arguments to provide additional information
  1624  *     @type string[]     $taxonomies            An array of taxonomy identifiers that will be registered for the
  1731  *                                                         about supporting that feature.
  1625  *                                               post type. Taxonomies can be registered later with register_taxonomy()
  1732  *                                                         Example: `array( 'my_feature', array( 'field' => 'value' ) )`.
  1626  *                                               or register_taxonomy_for_object_type().
  1733  *                                                         If false, no features will be added.
  1627  *                                               Default empty array.
  1734  *                                                         Default is an array containing 'title' and 'editor'.
  1628  *     @type bool|string  $has_archive           Whether there should be post type archives, or if a string, the
  1735  *     @type callable     $register_meta_box_cb            Provide a callback function that sets up the meta boxes for the
  1629  *                                               archive slug to use. Will generate the proper rewrite rules if
  1736  *                                                         edit form. Do remove_meta_box() and add_meta_box() calls in the
  1630  *                                               $rewrite is enabled. Default false.
  1737  *                                                         callback. Default null.
  1631  *     @type bool|array   $rewrite               {
  1738  *     @type string[]     $taxonomies                      An array of taxonomy identifiers that will be registered for the
       
  1739  *                                                         post type. Taxonomies can be registered later with register_taxonomy()
       
  1740  *                                                         or register_taxonomy_for_object_type().
       
  1741  *                                                         Default empty array.
       
  1742  *     @type bool|string  $has_archive                     Whether there should be post type archives, or if a string, the
       
  1743  *                                                         archive slug to use. Will generate the proper rewrite rules if
       
  1744  *                                                         $rewrite is enabled. Default false.
       
  1745  *     @type bool|array   $rewrite                         {
  1632  *         Triggers the handling of rewrites for this post type. To prevent rewrite, set to false.
  1746  *         Triggers the handling of rewrites for this post type. To prevent rewrite, set to false.
  1633  *         Defaults to true, using $post_type as slug. To specify rewrite rules, an array can be
  1747  *         Defaults to true, using $post_type as slug. To specify rewrite rules, an array can be
  1634  *         passed with any of these keys:
  1748  *         passed with any of these keys:
  1635  *
  1749  *
  1636  *         @type string $slug       Customize the permastruct slug. Defaults to $post_type key.
  1750  *         @type string $slug       Customize the permastruct slug. Defaults to $post_type key.
  1641  *         @type bool   $pages      Whether the permastruct should provide for pagination. Default true.
  1755  *         @type bool   $pages      Whether the permastruct should provide for pagination. Default true.
  1642  *         @type int    $ep_mask    Endpoint mask to assign. If not specified and permalink_epmask is set,
  1756  *         @type int    $ep_mask    Endpoint mask to assign. If not specified and permalink_epmask is set,
  1643  *                                  inherits from $permalink_epmask. If not specified and permalink_epmask
  1757  *                                  inherits from $permalink_epmask. If not specified and permalink_epmask
  1644  *                                  is not set, defaults to EP_PERMALINK.
  1758  *                                  is not set, defaults to EP_PERMALINK.
  1645  *     }
  1759  *     }
  1646  *     @type string|bool  $query_var             Sets the query_var key for this post type. Defaults to $post_type
  1760  *     @type string|bool  $query_var                      Sets the query_var key for this post type. Defaults to $post_type
  1647  *                                               key. If false, a post type cannot be loaded at
  1761  *                                                        key. If false, a post type cannot be loaded at
  1648  *                                               ?{query_var}={post_slug}. If specified as a string, the query
  1762  *                                                        ?{query_var}={post_slug}. If specified as a string, the query
  1649  *                                               ?{query_var_string}={post_slug} will be valid.
  1763  *                                                        ?{query_var_string}={post_slug} will be valid.
  1650  *     @type bool         $can_export            Whether to allow this post type to be exported. Default true.
  1764  *     @type bool         $can_export                     Whether to allow this post type to be exported. Default true.
  1651  *     @type bool         $delete_with_user      Whether to delete posts of this type when deleting a user.
  1765  *     @type bool         $delete_with_user               Whether to delete posts of this type when deleting a user.
  1652  *                                               * If true, posts of this type belonging to the user will be moved
  1766  *                                                          * If true, posts of this type belonging to the user will be moved
  1653  *                                                 to Trash when the user is deleted.
  1767  *                                                            to Trash when the user is deleted.
  1654  *                                               * If false, posts of this type belonging to the user will *not*
  1768  *                                                          * If false, posts of this type belonging to the user will *not*
  1655  *                                                 be trashed or deleted.
  1769  *                                                            be trashed or deleted.
  1656  *                                               * If not set (the default), posts are trashed if post type supports
  1770  *                                                          * If not set (the default), posts are trashed if post type supports
  1657  *                                                 the 'author' feature. Otherwise posts are not trashed or deleted.
  1771  *                                                            the 'author' feature. Otherwise posts are not trashed or deleted.
  1658  *                                               Default null.
  1772  *                                                        Default null.
  1659  *     @type array        $template              Array of blocks to use as the default initial state for an editor
  1773  *     @type array        $template                       Array of blocks to use as the default initial state for an editor
  1660  *                                               session. Each item should be an array containing block name and
  1774  *                                                        session. Each item should be an array containing block name and
  1661  *                                               optional attributes. Default empty array.
  1775  *                                                        optional attributes. Default empty array.
  1662  *     @type string|false $template_lock         Whether the block template should be locked if $template is set.
  1776  *     @type string|false $template_lock                  Whether the block template should be locked if $template is set.
  1663  *                                               * If set to 'all', the user is unable to insert new blocks,
  1777  *                                                        * If set to 'all', the user is unable to insert new blocks,
  1664  *                                                 move existing blocks and delete blocks.
  1778  *                                                          move existing blocks and delete blocks.
  1665  *                                               * If set to 'insert', the user is able to move existing blocks
  1779  *                                                       * If set to 'insert', the user is able to move existing blocks
  1666  *                                                 but is unable to insert new blocks and delete blocks.
  1780  *                                                         but is unable to insert new blocks and delete blocks.
  1667  *                                               Default false.
  1781  *                                                         Default false.
  1668  *     @type bool         $_builtin              FOR INTERNAL USE ONLY! True if this post type is a native or
  1782  *     @type bool         $_builtin                     FOR INTERNAL USE ONLY! True if this post type is a native or
  1669  *                                               "built-in" post_type. Default false.
  1783  *                                                      "built-in" post_type. Default false.
  1670  *     @type string       $_edit_link            FOR INTERNAL USE ONLY! URL segment to use for edit link of
  1784  *     @type string       $_edit_link                   FOR INTERNAL USE ONLY! URL segment to use for edit link of
  1671  *                                               this post type. Default 'post.php?post=%d'.
  1785  *                                                      this post type. Default 'post.php?post=%d'.
  1672  * }
  1786  * }
  1673  * @return WP_Post_Type|WP_Error The registered post type object on success,
  1787  * @return WP_Post_Type|WP_Error The registered post type object on success,
  1674  *                               WP_Error object on failure.
  1788  *                               WP_Error object on failure.
  1675  */
  1789  */
  1676 function register_post_type( $post_type, $args = array() ) {
  1790 function register_post_type( $post_type, $args = array() ) {
  1774 
  1888 
  1775 	return true;
  1889 	return true;
  1776 }
  1890 }
  1777 
  1891 
  1778 /**
  1892 /**
  1779  * Build an object with all post type capabilities out of a post type object
  1893  * Builds an object with all post type capabilities out of a post type object
  1780  *
  1894  *
  1781  * Post type capabilities use the 'capability_type' argument as a base, if the
  1895  * Post type capabilities use the 'capability_type' argument as a base, if the
  1782  * capability is not set in the 'capabilities' argument array or if the
  1896  * capability is not set in the 'capabilities' argument array or if the
  1783  * 'capabilities' argument is not supplied.
  1897  * 'capabilities' argument is not supplied.
  1784  *
  1898  *
  1879 
  1993 
  1880 	return (object) $capabilities;
  1994 	return (object) $capabilities;
  1881 }
  1995 }
  1882 
  1996 
  1883 /**
  1997 /**
  1884  * Store or return a list of post type meta caps for map_meta_cap().
  1998  * Stores or returns a list of post type meta caps for map_meta_cap().
  1885  *
  1999  *
  1886  * @since 3.1.0
  2000  * @since 3.1.0
  1887  * @access private
  2001  * @access private
  1888  *
  2002  *
  1889  * @global array $post_type_meta_caps Used to store meta capabilities.
  2003  * @global array $post_type_meta_caps Used to store meta capabilities.
  1906  * Accepted keys of the label array in the post type object:
  2020  * Accepted keys of the label array in the post type object:
  1907  *
  2021  *
  1908  * - `name` - General name for the post type, usually plural. The same and overridden
  2022  * - `name` - General name for the post type, usually plural. The same and overridden
  1909  *          by `$post_type_object->label`. Default is 'Posts' / 'Pages'.
  2023  *          by `$post_type_object->label`. Default is 'Posts' / 'Pages'.
  1910  * - `singular_name` - Name for one object of this post type. Default is 'Post' / 'Page'.
  2024  * - `singular_name` - Name for one object of this post type. Default is 'Post' / 'Page'.
  1911  * - `add_new` - Default is 'Add New' for both hierarchical and non-hierarchical types.
  2025  * - `add_new` - Label for adding a new item. Default is 'Add New Post' / 'Add New Page'.
  1912  *             When internationalizing this string, please use a {@link https://developer.wordpress.org/plugins/internationalization/how-to-internationalize-your-plugin/#disambiguation-by-context gettext context}
       
  1913  *             matching your post type. Example: `_x( 'Add New', 'product', 'textdomain' );`.
       
  1914  * - `add_new_item` - Label for adding a new singular item. Default is 'Add New Post' / 'Add New Page'.
  2026  * - `add_new_item` - Label for adding a new singular item. Default is 'Add New Post' / 'Add New Page'.
  1915  * - `edit_item` - Label for editing a singular item. Default is 'Edit Post' / 'Edit Page'.
  2027  * - `edit_item` - Label for editing a singular item. Default is 'Edit Post' / 'Edit Page'.
  1916  * - `new_item` - Label for the new item page title. Default is 'New Post' / 'New Page'.
  2028  * - `new_item` - Label for the new item page title. Default is 'New Post' / 'New Page'.
  1917  * - `view_item` - Label for viewing a singular item. Default is 'View Post' / 'View Page'.
  2029  * - `view_item` - Label for viewing a singular item. Default is 'View Post' / 'View Page'.
  1918  * - `view_items` - Label for viewing post type archives. Default is 'View Posts' / 'View Pages'.
  2030  * - `view_items` - Label for viewing post type archives. Default is 'View Posts' / 'View Pages'.
  1942  * - `item_published` - Label used when an item is published. Default is 'Post published.' / 'Page published.'
  2054  * - `item_published` - Label used when an item is published. Default is 'Post published.' / 'Page published.'
  1943  * - `item_published_privately` - Label used when an item is published with private visibility.
  2055  * - `item_published_privately` - Label used when an item is published with private visibility.
  1944  *                              Default is 'Post published privately.' / 'Page published privately.'
  2056  *                              Default is 'Post published privately.' / 'Page published privately.'
  1945  * - `item_reverted_to_draft` - Label used when an item is switched to a draft.
  2057  * - `item_reverted_to_draft` - Label used when an item is switched to a draft.
  1946  *                            Default is 'Post reverted to draft.' / 'Page reverted to draft.'
  2058  *                            Default is 'Post reverted to draft.' / 'Page reverted to draft.'
       
  2059  * - `item_trashed` - Label used when an item is moved to Trash. Default is 'Post trashed.' / 'Page trashed.'
  1947  * - `item_scheduled` - Label used when an item is scheduled for publishing. Default is 'Post scheduled.' /
  2060  * - `item_scheduled` - Label used when an item is scheduled for publishing. Default is 'Post scheduled.' /
  1948  *                    'Page scheduled.'
  2061  *                    'Page scheduled.'
  1949  * - `item_updated` - Label used when an item is updated. Default is 'Post updated.' / 'Page updated.'
  2062  * - `item_updated` - Label used when an item is updated. Default is 'Post updated.' / 'Page updated.'
  1950  * - `item_link` - Title for a navigation link block variation. Default is 'Post Link' / 'Page Link'.
  2063  * - `item_link` - Title for a navigation link block variation. Default is 'Post Link' / 'Page Link'.
  1951  * - `item_link_description` - Description for a navigation link block variation. Default is 'A link to a post.' /
  2064  * - `item_link_description` - Description for a navigation link block variation. Default is 'A link to a post.' /
  1965  * @since 4.7.0 Added the `view_items` and `attributes` labels.
  2078  * @since 4.7.0 Added the `view_items` and `attributes` labels.
  1966  * @since 5.0.0 Added the `item_published`, `item_published_privately`, `item_reverted_to_draft`,
  2079  * @since 5.0.0 Added the `item_published`, `item_published_privately`, `item_reverted_to_draft`,
  1967  *              `item_scheduled`, and `item_updated` labels.
  2080  *              `item_scheduled`, and `item_updated` labels.
  1968  * @since 5.7.0 Added the `filter_by_date` label.
  2081  * @since 5.7.0 Added the `filter_by_date` label.
  1969  * @since 5.8.0 Added the `item_link` and `item_link_description` labels.
  2082  * @since 5.8.0 Added the `item_link` and `item_link_description` labels.
       
  2083  * @since 6.3.0 Added the `item_trashed` label.
       
  2084  * @since 6.4.0 Changed default values for the `add_new` label to include the type of content.
       
  2085  *              This matches `add_new_item` and provides more context for better accessibility.
       
  2086  * @since 6.6.0 Added the `template_name` label.
  1970  *
  2087  *
  1971  * @access private
  2088  * @access private
  1972  *
  2089  *
  1973  * @param object|WP_Post_Type $post_type_object Post type object.
  2090  * @param object|WP_Post_Type $post_type_object Post type object.
  1974  * @return object Object with all the labels as member variables.
  2091  * @return object Object with all the labels as member variables.
  1977 	$nohier_vs_hier_defaults = WP_Post_Type::get_default_labels();
  2094 	$nohier_vs_hier_defaults = WP_Post_Type::get_default_labels();
  1978 
  2095 
  1979 	$nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name'];
  2096 	$nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name'];
  1980 
  2097 
  1981 	$labels = _get_custom_object_labels( $post_type_object, $nohier_vs_hier_defaults );
  2098 	$labels = _get_custom_object_labels( $post_type_object, $nohier_vs_hier_defaults );
       
  2099 
       
  2100 	if ( ! isset( $post_type_object->labels->template_name ) && isset( $post_type_object->labels->singular_name ) ) {
       
  2101 			/* translators: %s: Post type name. */
       
  2102 			$labels->template_name = sprintf( __( 'Single item: %s' ), $post_type_object->labels->singular_name );
       
  2103 	}
  1982 
  2104 
  1983 	$post_type = $post_type_object->name;
  2105 	$post_type = $post_type_object->name;
  1984 
  2106 
  1985 	$default_labels = clone $labels;
  2107 	$default_labels = clone $labels;
  1986 
  2108 
  2009 
  2131 
  2010 	return $labels;
  2132 	return $labels;
  2011 }
  2133 }
  2012 
  2134 
  2013 /**
  2135 /**
  2014  * Build an object with custom-something object (post type, taxonomy) labels
  2136  * Builds an object with custom-something object (post type, taxonomy) labels
  2015  * out of a custom-something object
  2137  * out of a custom-something object
  2016  *
  2138  *
  2017  * @since 3.0.0
  2139  * @since 3.0.0
  2018  * @access private
  2140  * @access private
  2019  *
  2141  *
  2020  * @param object $object                  A custom-something object.
  2142  * @param object $data_object             A custom-something object.
  2021  * @param array  $nohier_vs_hier_defaults Hierarchical vs non-hierarchical default labels.
  2143  * @param array  $nohier_vs_hier_defaults Hierarchical vs non-hierarchical default labels.
  2022  * @return object Object containing labels for the given custom-something object.
  2144  * @return object Object containing labels for the given custom-something object.
  2023  */
  2145  */
  2024 function _get_custom_object_labels( $object, $nohier_vs_hier_defaults ) {
  2146 function _get_custom_object_labels( $data_object, $nohier_vs_hier_defaults ) {
  2025 	$object->labels = (array) $object->labels;
  2147 	$data_object->labels = (array) $data_object->labels;
  2026 
  2148 
  2027 	if ( isset( $object->label ) && empty( $object->labels['name'] ) ) {
  2149 	if ( isset( $data_object->label ) && empty( $data_object->labels['name'] ) ) {
  2028 		$object->labels['name'] = $object->label;
  2150 		$data_object->labels['name'] = $data_object->label;
  2029 	}
  2151 	}
  2030 
  2152 
  2031 	if ( ! isset( $object->labels['singular_name'] ) && isset( $object->labels['name'] ) ) {
  2153 	if ( ! isset( $data_object->labels['singular_name'] ) && isset( $data_object->labels['name'] ) ) {
  2032 		$object->labels['singular_name'] = $object->labels['name'];
  2154 		$data_object->labels['singular_name'] = $data_object->labels['name'];
  2033 	}
  2155 	}
  2034 
  2156 
  2035 	if ( ! isset( $object->labels['name_admin_bar'] ) ) {
  2157 	if ( ! isset( $data_object->labels['name_admin_bar'] ) ) {
  2036 		$object->labels['name_admin_bar'] = isset( $object->labels['singular_name'] ) ? $object->labels['singular_name'] : $object->name;
  2158 		$data_object->labels['name_admin_bar'] =
  2037 	}
  2159 			isset( $data_object->labels['singular_name'] )
  2038 
  2160 			? $data_object->labels['singular_name']
  2039 	if ( ! isset( $object->labels['menu_name'] ) && isset( $object->labels['name'] ) ) {
  2161 			: $data_object->name;
  2040 		$object->labels['menu_name'] = $object->labels['name'];
  2162 	}
  2041 	}
  2163 
  2042 
  2164 	if ( ! isset( $data_object->labels['menu_name'] ) && isset( $data_object->labels['name'] ) ) {
  2043 	if ( ! isset( $object->labels['all_items'] ) && isset( $object->labels['menu_name'] ) ) {
  2165 		$data_object->labels['menu_name'] = $data_object->labels['name'];
  2044 		$object->labels['all_items'] = $object->labels['menu_name'];
  2166 	}
  2045 	}
  2167 
  2046 
  2168 	if ( ! isset( $data_object->labels['all_items'] ) && isset( $data_object->labels['menu_name'] ) ) {
  2047 	if ( ! isset( $object->labels['archives'] ) && isset( $object->labels['all_items'] ) ) {
  2169 		$data_object->labels['all_items'] = $data_object->labels['menu_name'];
  2048 		$object->labels['archives'] = $object->labels['all_items'];
  2170 	}
       
  2171 
       
  2172 	if ( ! isset( $data_object->labels['archives'] ) && isset( $data_object->labels['all_items'] ) ) {
       
  2173 		$data_object->labels['archives'] = $data_object->labels['all_items'];
  2049 	}
  2174 	}
  2050 
  2175 
  2051 	$defaults = array();
  2176 	$defaults = array();
  2052 	foreach ( $nohier_vs_hier_defaults as $key => $value ) {
  2177 	foreach ( $nohier_vs_hier_defaults as $key => $value ) {
  2053 		$defaults[ $key ] = $object->hierarchical ? $value[1] : $value[0];
  2178 		$defaults[ $key ] = $data_object->hierarchical ? $value[1] : $value[0];
  2054 	}
  2179 	}
  2055 	$labels         = array_merge( $defaults, $object->labels );
  2180 
  2056 	$object->labels = (object) $object->labels;
  2181 	$labels              = array_merge( $defaults, $data_object->labels );
       
  2182 	$data_object->labels = (object) $data_object->labels;
  2057 
  2183 
  2058 	return (object) $labels;
  2184 	return (object) $labels;
  2059 }
  2185 }
  2060 
  2186 
  2061 /**
  2187 /**
  2062  * Add submenus for post types.
  2188  * Adds submenus for post types.
  2063  *
  2189  *
  2064  * @access private
  2190  * @access private
  2065  * @since 3.1.0
  2191  * @since 3.1.0
  2066  */
  2192  */
  2067 function _add_post_type_submenus() {
  2193 function _add_post_type_submenus() {
  2082  * screen, such as the editor or a meta box. Features include: 'title', 'editor',
  2208  * screen, such as the editor or a meta box. Features include: 'title', 'editor',
  2083  * 'comments', 'revisions', 'trackbacks', 'author', 'excerpt', 'page-attributes',
  2209  * 'comments', 'revisions', 'trackbacks', 'author', 'excerpt', 'page-attributes',
  2084  * 'thumbnail', 'custom-fields', and 'post-formats'.
  2210  * 'thumbnail', 'custom-fields', and 'post-formats'.
  2085  *
  2211  *
  2086  * Additionally, the 'revisions' feature dictates whether the post type will
  2212  * Additionally, the 'revisions' feature dictates whether the post type will
  2087  * store revisions, and the 'comments' feature dictates whether the comments
  2213  * store revisions, the 'autosave' feature dictates whether the post type
       
  2214  * will be autosaved, and the 'comments' feature dictates whether the comments
  2088  * count will show on the edit screen.
  2215  * count will show on the edit screen.
  2089  *
  2216  *
  2090  * A third, optional parameter can also be passed along with a feature to provide
  2217  * A third, optional parameter can also be passed along with a feature to provide
  2091  * additional information about supporting that feature.
  2218  * additional information about supporting that feature.
  2092  *
  2219  *
  2123 		}
  2250 		}
  2124 	}
  2251 	}
  2125 }
  2252 }
  2126 
  2253 
  2127 /**
  2254 /**
  2128  * Remove support for a feature from a post type.
  2255  * Removes support for a feature from a post type.
  2129  *
  2256  *
  2130  * @since 3.0.0
  2257  * @since 3.0.0
  2131  *
  2258  *
  2132  * @global array $_wp_post_type_features
  2259  * @global array $_wp_post_type_features
  2133  *
  2260  *
  2139 
  2266 
  2140 	unset( $_wp_post_type_features[ $post_type ][ $feature ] );
  2267 	unset( $_wp_post_type_features[ $post_type ][ $feature ] );
  2141 }
  2268 }
  2142 
  2269 
  2143 /**
  2270 /**
  2144  * Get all the post type features
  2271  * Gets all the post type features
  2145  *
  2272  *
  2146  * @since 3.4.0
  2273  * @since 3.4.0
  2147  *
  2274  *
  2148  * @global array $_wp_post_type_features
  2275  * @global array $_wp_post_type_features
  2149  *
  2276  *
  2159 
  2286 
  2160 	return array();
  2287 	return array();
  2161 }
  2288 }
  2162 
  2289 
  2163 /**
  2290 /**
  2164  * Check a post type's support for a given feature.
  2291  * Checks a post type's support for a given feature.
  2165  *
  2292  *
  2166  * @since 3.0.0
  2293  * @since 3.0.0
  2167  *
  2294  *
  2168  * @global array $_wp_post_type_features
  2295  * @global array $_wp_post_type_features
  2169  *
  2296  *
  2198 
  2325 
  2199 	return array_keys( wp_filter_object_list( $_wp_post_type_features, $features, $operator ) );
  2326 	return array_keys( wp_filter_object_list( $_wp_post_type_features, $features, $operator ) );
  2200 }
  2327 }
  2201 
  2328 
  2202 /**
  2329 /**
  2203  * Update the post type for the post ID.
  2330  * Updates the post type for the post ID.
  2204  *
  2331  *
  2205  * The page or post cache will be cleaned for the post ID.
  2332  * The page or post cache will be cleaned for the post ID.
  2206  *
  2333  *
  2207  * @since 2.5.0
  2334  * @since 2.5.0
  2208  *
  2335  *
  2239  * @return bool Whether the post type should be considered viewable.
  2366  * @return bool Whether the post type should be considered viewable.
  2240  */
  2367  */
  2241 function is_post_type_viewable( $post_type ) {
  2368 function is_post_type_viewable( $post_type ) {
  2242 	if ( is_scalar( $post_type ) ) {
  2369 	if ( is_scalar( $post_type ) ) {
  2243 		$post_type = get_post_type_object( $post_type );
  2370 		$post_type = get_post_type_object( $post_type );
       
  2371 
  2244 		if ( ! $post_type ) {
  2372 		if ( ! $post_type ) {
  2245 			return false;
  2373 			return false;
  2246 		}
  2374 		}
  2247 	}
  2375 	}
  2248 
  2376 
  2268 	 */
  2396 	 */
  2269 	return true === apply_filters( 'is_post_type_viewable', $is_viewable, $post_type );
  2397 	return true === apply_filters( 'is_post_type_viewable', $is_viewable, $post_type );
  2270 }
  2398 }
  2271 
  2399 
  2272 /**
  2400 /**
  2273  * Determine whether a post status is considered "viewable".
  2401  * Determines whether a post status is considered "viewable".
  2274  *
  2402  *
  2275  * For built-in post statuses such as publish and private, the 'public' value will be evaluated.
  2403  * For built-in post statuses such as publish and private, the 'public' value will be evaluated.
  2276  * For all others, the 'publicly_queryable' value will be used.
  2404  * For all others, the 'publicly_queryable' value will be used.
  2277  *
  2405  *
  2278  * @since 5.7.0
  2406  * @since 5.7.0
  2282  * @return bool Whether the post status should be considered viewable.
  2410  * @return bool Whether the post status should be considered viewable.
  2283  */
  2411  */
  2284 function is_post_status_viewable( $post_status ) {
  2412 function is_post_status_viewable( $post_status ) {
  2285 	if ( is_scalar( $post_status ) ) {
  2413 	if ( is_scalar( $post_status ) ) {
  2286 		$post_status = get_post_status_object( $post_status );
  2414 		$post_status = get_post_status_object( $post_status );
       
  2415 
  2287 		if ( ! $post_status ) {
  2416 		if ( ! $post_status ) {
  2288 			return false;
  2417 			return false;
  2289 		}
  2418 		}
  2290 	}
  2419 	}
  2291 
  2420 
  2315 	 */
  2444 	 */
  2316 	return true === apply_filters( 'is_post_status_viewable', $is_viewable, $post_status );
  2445 	return true === apply_filters( 'is_post_status_viewable', $is_viewable, $post_status );
  2317 }
  2446 }
  2318 
  2447 
  2319 /**
  2448 /**
  2320  * Determine whether a post is publicly viewable.
  2449  * Determines whether a post is publicly viewable.
  2321  *
  2450  *
  2322  * Posts are considered publicly viewable if both the post status and post type
  2451  * Posts are considered publicly viewable if both the post status and post type
  2323  * are viewable.
  2452  * are viewable.
  2324  *
  2453  *
  2325  * @since 5.7.0
  2454  * @since 5.7.0
  2404 	}
  2533 	}
  2405 
  2534 
  2406 	$parsed_args['ignore_sticky_posts'] = true;
  2535 	$parsed_args['ignore_sticky_posts'] = true;
  2407 	$parsed_args['no_found_rows']       = true;
  2536 	$parsed_args['no_found_rows']       = true;
  2408 
  2537 
  2409 	$get_posts = new WP_Query;
  2538 	$get_posts = new WP_Query();
  2410 	return $get_posts->query( $parsed_args );
  2539 	return $get_posts->query( $parsed_args );
  2411 
       
  2412 }
  2540 }
  2413 
  2541 
  2414 //
  2542 //
  2415 // Post meta functions.
  2543 // Post meta functions.
  2416 //
  2544 //
  2561 function unregister_post_meta( $post_type, $meta_key ) {
  2689 function unregister_post_meta( $post_type, $meta_key ) {
  2562 	return unregister_meta_key( 'post', $meta_key, $post_type );
  2690 	return unregister_meta_key( 'post', $meta_key, $post_type );
  2563 }
  2691 }
  2564 
  2692 
  2565 /**
  2693 /**
  2566  * Retrieve post meta fields, based on post ID.
  2694  * Retrieves post meta fields, based on post ID.
  2567  *
  2695  *
  2568  * The post meta fields are retrieved from the cache where possible,
  2696  * The post meta fields are retrieved from the cache where possible,
  2569  * so the function is optimized to be called more than once.
  2697  * so the function is optimized to be called more than once.
  2570  *
  2698  *
  2571  * @since 1.2.0
  2699  * @since 1.2.0
  2575  *               False for an invalid `$post_id` (non-numeric, zero, or negative value).
  2703  *               False for an invalid `$post_id` (non-numeric, zero, or negative value).
  2576  *               An empty string if a valid but non-existing post ID is passed.
  2704  *               An empty string if a valid but non-existing post ID is passed.
  2577  */
  2705  */
  2578 function get_post_custom( $post_id = 0 ) {
  2706 function get_post_custom( $post_id = 0 ) {
  2579 	$post_id = absint( $post_id );
  2707 	$post_id = absint( $post_id );
       
  2708 
  2580 	if ( ! $post_id ) {
  2709 	if ( ! $post_id ) {
  2581 		$post_id = get_the_ID();
  2710 		$post_id = get_the_ID();
  2582 	}
  2711 	}
  2583 
  2712 
  2584 	return get_post_meta( $post_id );
  2713 	return get_post_meta( $post_id );
  2585 }
  2714 }
  2586 
  2715 
  2587 /**
  2716 /**
  2588  * Retrieve meta field names for a post.
  2717  * Retrieves meta field names for a post.
  2589  *
  2718  *
  2590  * If there are no meta fields, then nothing (null) will be returned.
  2719  * If there are no meta fields, then nothing (null) will be returned.
  2591  *
  2720  *
  2592  * @since 1.2.0
  2721  * @since 1.2.0
  2593  *
  2722  *
  2606 		return $keys;
  2735 		return $keys;
  2607 	}
  2736 	}
  2608 }
  2737 }
  2609 
  2738 
  2610 /**
  2739 /**
  2611  * Retrieve values for a custom post field.
  2740  * Retrieves values for a custom post field.
  2612  *
  2741  *
  2613  * The parameters must not be considered optional. All of the post meta fields
  2742  * The parameters must not be considered optional. All of the post meta fields
  2614  * will be retrieved and only the meta field key values returned.
  2743  * will be retrieved and only the meta field key values returned.
  2615  *
  2744  *
  2616  * @since 1.2.0
  2745  * @since 1.2.0
  2750 	if ( 'raw' === $context ) {
  2879 	if ( 'raw' === $context ) {
  2751 		return $value;
  2880 		return $value;
  2752 	}
  2881 	}
  2753 
  2882 
  2754 	$prefixed = false;
  2883 	$prefixed = false;
  2755 	if ( false !== strpos( $field, 'post_' ) ) {
  2884 	if ( str_contains( $field, 'post_' ) ) {
  2756 		$prefixed        = true;
  2885 		$prefixed        = true;
  2757 		$field_no_prefix = str_replace( 'post_', '', $field );
  2886 		$field_no_prefix = str_replace( 'post_', '', $field );
  2758 	}
  2887 	}
  2759 
  2888 
  2760 	if ( 'edit' === $context ) {
  2889 	if ( 'edit' === $context ) {
  2879 
  3008 
  2880 	return $value;
  3009 	return $value;
  2881 }
  3010 }
  2882 
  3011 
  2883 /**
  3012 /**
  2884  * Make a post sticky.
  3013  * Makes a post sticky.
  2885  *
  3014  *
  2886  * Sticky posts should be displayed at the top of the front page.
  3015  * Sticky posts should be displayed at the top of the front page.
  2887  *
  3016  *
  2888  * @since 2.7.0
  3017  * @since 2.7.0
  2889  *
  3018  *
  2916 		do_action( 'post_stuck', $post_id );
  3045 		do_action( 'post_stuck', $post_id );
  2917 	}
  3046 	}
  2918 }
  3047 }
  2919 
  3048 
  2920 /**
  3049 /**
  2921  * Un-stick a post.
  3050  * Un-sticks a post.
  2922  *
  3051  *
  2923  * Sticky posts should be displayed at the top of the front page.
  3052  * Sticky posts should be displayed at the top of the front page.
  2924  *
  3053  *
  2925  * @since 2.7.0
  3054  * @since 2.7.0
  2926  *
  3055  *
  2960 		do_action( 'post_unstuck', $post_id );
  3089 		do_action( 'post_unstuck', $post_id );
  2961 	}
  3090 	}
  2962 }
  3091 }
  2963 
  3092 
  2964 /**
  3093 /**
  2965  * Return the cache key for wp_count_posts() based on the passed arguments.
  3094  * Returns the cache key for wp_count_posts() based on the passed arguments.
  2966  *
  3095  *
  2967  * @since 3.9.0
  3096  * @since 3.9.0
  2968  * @access private
  3097  * @access private
  2969  *
  3098  *
  2970  * @param string $type Optional. Post type to retrieve count Default 'post'.
  3099  * @param string $type Optional. Post type to retrieve count Default 'post'.
  2984 
  3113 
  2985 	return $cache_key;
  3114 	return $cache_key;
  2986 }
  3115 }
  2987 
  3116 
  2988 /**
  3117 /**
  2989  * Count number of posts of a post type and if user has permissions to view.
  3118  * Counts number of posts of a post type and if user has permissions to view.
  2990  *
  3119  *
  2991  * This function provides an efficient method of finding the amount of post's
  3120  * This function provides an efficient method of finding the amount of post's
  2992  * type a blog has. Another method is to count the amount of items in
  3121  * type a blog has. Another method is to count the amount of items in
  2993  * get_posts(), but that method has a lot of overhead with doing so. Therefore,
  3122  * get_posts(), but that method has a lot of overhead with doing so. Therefore,
  2994  * when developing for 2.5+, use this function instead.
  3123  * when developing for 2.5+, use this function instead.
  3000  *
  3129  *
  3001  * @global wpdb $wpdb WordPress database abstraction object.
  3130  * @global wpdb $wpdb WordPress database abstraction object.
  3002  *
  3131  *
  3003  * @param string $type Optional. Post type to retrieve count. Default 'post'.
  3132  * @param string $type Optional. Post type to retrieve count. Default 'post'.
  3004  * @param string $perm Optional. 'readable' or empty. Default empty.
  3133  * @param string $perm Optional. 'readable' or empty. Default empty.
  3005  * @return stdClass Number of posts for each status.
  3134  * @return stdClass An object containing the number of posts for each status,
       
  3135  *                  or an empty object if the post type does not exist.
  3006  */
  3136  */
  3007 function wp_count_posts( $type = 'post', $perm = '' ) {
  3137 function wp_count_posts( $type = 'post', $perm = '' ) {
  3008 	global $wpdb;
  3138 	global $wpdb;
  3009 
  3139 
  3010 	if ( ! post_type_exists( $type ) ) {
  3140 	if ( ! post_type_exists( $type ) ) {
  3011 		return new stdClass;
  3141 		return new stdClass();
  3012 	}
  3142 	}
  3013 
  3143 
  3014 	$cache_key = _count_posts_cache_key( $type, $perm );
  3144 	$cache_key = _count_posts_cache_key( $type, $perm );
  3015 
  3145 
  3016 	$counts = wp_cache_get( $cache_key, 'counts' );
  3146 	$counts = wp_cache_get( $cache_key, 'counts' );
  3049 
  3179 
  3050 	$counts = (object) $counts;
  3180 	$counts = (object) $counts;
  3051 	wp_cache_set( $cache_key, $counts, 'counts' );
  3181 	wp_cache_set( $cache_key, $counts, 'counts' );
  3052 
  3182 
  3053 	/**
  3183 	/**
  3054 	 * Modify returned post counts by status for the current post type.
  3184 	 * Filters the post counts by status for the current post type.
  3055 	 *
  3185 	 *
  3056 	 * @since 3.7.0
  3186 	 * @since 3.7.0
  3057 	 *
  3187 	 *
  3058 	 * @param stdClass $counts An object containing the current post_type's post
  3188 	 * @param stdClass $counts An object containing the current post_type's post
  3059 	 *                         counts by status.
  3189 	 *                         counts by status.
  3063 	 */
  3193 	 */
  3064 	return apply_filters( 'wp_count_posts', $counts, $type, $perm );
  3194 	return apply_filters( 'wp_count_posts', $counts, $type, $perm );
  3065 }
  3195 }
  3066 
  3196 
  3067 /**
  3197 /**
  3068  * Count number of attachments for the mime type(s).
  3198  * Counts number of attachments for the mime type(s).
  3069  *
  3199  *
  3070  * If you set the optional mime_type parameter, then an array will still be
  3200  * If you set the optional mime_type parameter, then an array will still be
  3071  * returned, but will only have the item you are looking for. It does not give
  3201  * returned, but will only have the item you are looking for. It does not give
  3072  * you the number of attachments that are children of a post. You can get that
  3202  * you the number of attachments that are children of a post. You can get that
  3073  * by counting the number of children that post has.
  3203  * by counting the number of children that post has.
  3081  * @return stdClass An object containing the attachment counts by mime type.
  3211  * @return stdClass An object containing the attachment counts by mime type.
  3082  */
  3212  */
  3083 function wp_count_attachments( $mime_type = '' ) {
  3213 function wp_count_attachments( $mime_type = '' ) {
  3084 	global $wpdb;
  3214 	global $wpdb;
  3085 
  3215 
  3086 	$and   = wp_post_mime_type_where( $mime_type );
  3216 	$cache_key = sprintf(
  3087 	$count = $wpdb->get_results( "SELECT post_mime_type, COUNT( * ) AS num_posts FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' $and GROUP BY post_mime_type", ARRAY_A );
  3217 		'attachments%s',
  3088 
  3218 		! empty( $mime_type ) ? ':' . str_replace( '/', '_', implode( '-', (array) $mime_type ) ) : ''
  3089 	$counts = array();
  3219 	);
  3090 	foreach ( (array) $count as $row ) {
  3220 
  3091 		$counts[ $row['post_mime_type'] ] = $row['num_posts'];
  3221 	$counts = wp_cache_get( $cache_key, 'counts' );
  3092 	}
  3222 	if ( false == $counts ) {
  3093 	$counts['trash'] = $wpdb->get_var( "SELECT COUNT( * ) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status = 'trash' $and" );
  3223 		$and   = wp_post_mime_type_where( $mime_type );
       
  3224 		$count = $wpdb->get_results( "SELECT post_mime_type, COUNT( * ) AS num_posts FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' $and GROUP BY post_mime_type", ARRAY_A );
       
  3225 
       
  3226 		$counts = array();
       
  3227 		foreach ( (array) $count as $row ) {
       
  3228 			$counts[ $row['post_mime_type'] ] = $row['num_posts'];
       
  3229 		}
       
  3230 		$counts['trash'] = $wpdb->get_var( "SELECT COUNT( * ) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status = 'trash' $and" );
       
  3231 
       
  3232 		wp_cache_set( $cache_key, (object) $counts, 'counts' );
       
  3233 	}
  3094 
  3234 
  3095 	/**
  3235 	/**
  3096 	 * Modify returned attachment counts by mime type.
  3236 	 * Filters the attachment counts by mime type.
  3097 	 *
  3237 	 *
  3098 	 * @since 3.7.0
  3238 	 * @since 3.7.0
  3099 	 *
  3239 	 *
  3100 	 * @param stdClass        $counts    An object containing the attachment counts by
  3240 	 * @param stdClass        $counts    An object containing the attachment counts by
  3101 	 *                                   mime type.
  3241 	 *                                   mime type.
  3103 	 */
  3243 	 */
  3104 	return apply_filters( 'wp_count_attachments', (object) $counts, $mime_type );
  3244 	return apply_filters( 'wp_count_attachments', (object) $counts, $mime_type );
  3105 }
  3245 }
  3106 
  3246 
  3107 /**
  3247 /**
  3108  * Get default post mime types.
  3248  * Gets default post mime types.
  3109  *
  3249  *
  3110  * @since 2.9.0
  3250  * @since 2.9.0
  3111  * @since 5.3.0 Added the 'Documents', 'Spreadsheets', and 'Archives' mime type groups.
  3251  * @since 5.3.0 Added the 'Documents', 'Spreadsheets', and 'Archives' mime type groups.
  3112  *
  3252  *
  3113  * @return array List of post mime types.
  3253  * @return array List of post mime types.
  3207 	 */
  3347 	 */
  3208 	return apply_filters( 'post_mime_types', $post_mime_types );
  3348 	return apply_filters( 'post_mime_types', $post_mime_types );
  3209 }
  3349 }
  3210 
  3350 
  3211 /**
  3351 /**
  3212  * Check a MIME-Type against a list.
  3352  * Checks a MIME-Type against a list.
  3213  *
  3353  *
  3214  * If the wildcard_mime_types parameter is a string, it must be comma separated
  3354  * If the `$wildcard_mime_types` parameter is a string, it must be comma separated
  3215  * list. If the real_mime_types is a string, it is also comma separated to
  3355  * list. If the `$real_mime_types` is a string, it is also comma separated to
  3216  * create the list.
  3356  * create the list.
  3217  *
  3357  *
  3218  * @since 2.5.0
  3358  * @since 2.5.0
  3219  *
  3359  *
  3220  * @param string|string[] $wildcard_mime_types Mime types, e.g. audio/mpeg or image (same as image/*)
  3360  * @param string|string[] $wildcard_mime_types Mime types, e.g. `audio/mpeg`, `image` (same as `image/*`),
  3221  *                                             or flash (same as *flash*).
  3361  *                                             or `flash` (same as `*flash*`).
  3222  * @param string|string[] $real_mime_types     Real post mime type values.
  3362  * @param string|string[] $real_mime_types     Real post mime type values.
  3223  * @return array array(wildcard=>array(real types)).
  3363  * @return array array(wildcard=>array(real types)).
  3224  */
  3364  */
  3225 function wp_match_mime_types( $wildcard_mime_types, $real_mime_types ) {
  3365 function wp_match_mime_types( $wildcard_mime_types, $real_mime_types ) {
  3226 	$matches = array();
  3366 	$matches = array();
  3239 		foreach ( $mimes as $mime ) {
  3379 		foreach ( $mimes as $mime ) {
  3240 			$regex = str_replace( '__wildcard__', $wild, preg_quote( str_replace( '*', '__wildcard__', $mime ) ) );
  3380 			$regex = str_replace( '__wildcard__', $wild, preg_quote( str_replace( '*', '__wildcard__', $mime ) ) );
  3241 
  3381 
  3242 			$patternses[][ $type ] = "^$regex$";
  3382 			$patternses[][ $type ] = "^$regex$";
  3243 
  3383 
  3244 			if ( false === strpos( $mime, '/' ) ) {
  3384 			if ( ! str_contains( $mime, '/' ) ) {
  3245 				$patternses[][ $type ] = "^$regex/";
  3385 				$patternses[][ $type ] = "^$regex/";
  3246 				$patternses[][ $type ] = $regex;
  3386 				$patternses[][ $type ] = $regex;
  3247 			}
  3387 			}
  3248 		}
  3388 		}
  3249 	}
  3389 	}
  3263 
  3403 
  3264 	return $matches;
  3404 	return $matches;
  3265 }
  3405 }
  3266 
  3406 
  3267 /**
  3407 /**
  3268  * Convert MIME types into SQL.
  3408  * Converts MIME types into SQL.
  3269  *
  3409  *
  3270  * @since 2.5.0
  3410  * @since 2.5.0
  3271  *
  3411  *
  3272  * @param string|string[] $post_mime_types List of mime types or comma separated string
  3412  * @param string|string[] $post_mime_types List of mime types or comma separated string
  3273  *                                         of mime types.
  3413  *                                         of mime types.
  3280 	$wildcards = array( '', '%', '%/%' );
  3420 	$wildcards = array( '', '%', '%/%' );
  3281 	if ( is_string( $post_mime_types ) ) {
  3421 	if ( is_string( $post_mime_types ) ) {
  3282 		$post_mime_types = array_map( 'trim', explode( ',', $post_mime_types ) );
  3422 		$post_mime_types = array_map( 'trim', explode( ',', $post_mime_types ) );
  3283 	}
  3423 	}
  3284 
  3424 
  3285 	$wheres = array();
  3425 	$where_clauses = array();
  3286 
  3426 
  3287 	foreach ( (array) $post_mime_types as $mime_type ) {
  3427 	foreach ( (array) $post_mime_types as $mime_type ) {
  3288 		$mime_type = preg_replace( '/\s/', '', $mime_type );
  3428 		$mime_type = preg_replace( '/\s/', '', $mime_type );
  3289 		$slashpos  = strpos( $mime_type, '/' );
  3429 		$slashpos  = strpos( $mime_type, '/' );
  3290 		if ( false !== $slashpos ) {
  3430 		if ( false !== $slashpos ) {
  3296 				$mime_subgroup = str_replace( '/', '', $mime_subgroup );
  3436 				$mime_subgroup = str_replace( '/', '', $mime_subgroup );
  3297 			}
  3437 			}
  3298 			$mime_pattern = "$mime_group/$mime_subgroup";
  3438 			$mime_pattern = "$mime_group/$mime_subgroup";
  3299 		} else {
  3439 		} else {
  3300 			$mime_pattern = preg_replace( '/[^-*.a-zA-Z0-9]/', '', $mime_type );
  3440 			$mime_pattern = preg_replace( '/[^-*.a-zA-Z0-9]/', '', $mime_type );
  3301 			if ( false === strpos( $mime_pattern, '*' ) ) {
  3441 			if ( ! str_contains( $mime_pattern, '*' ) ) {
  3302 				$mime_pattern .= '/*';
  3442 				$mime_pattern .= '/*';
  3303 			}
  3443 			}
  3304 		}
  3444 		}
  3305 
  3445 
  3306 		$mime_pattern = preg_replace( '/\*+/', '%', $mime_pattern );
  3446 		$mime_pattern = preg_replace( '/\*+/', '%', $mime_pattern );
  3307 
  3447 
  3308 		if ( in_array( $mime_type, $wildcards, true ) ) {
  3448 		if ( in_array( $mime_type, $wildcards, true ) ) {
  3309 			return '';
  3449 			return '';
  3310 		}
  3450 		}
  3311 
  3451 
  3312 		if ( false !== strpos( $mime_pattern, '%' ) ) {
  3452 		if ( str_contains( $mime_pattern, '%' ) ) {
  3313 			$wheres[] = empty( $table_alias ) ? "post_mime_type LIKE '$mime_pattern'" : "$table_alias.post_mime_type LIKE '$mime_pattern'";
  3453 			$where_clauses[] = empty( $table_alias ) ? "post_mime_type LIKE '$mime_pattern'" : "$table_alias.post_mime_type LIKE '$mime_pattern'";
  3314 		} else {
  3454 		} else {
  3315 			$wheres[] = empty( $table_alias ) ? "post_mime_type = '$mime_pattern'" : "$table_alias.post_mime_type = '$mime_pattern'";
  3455 			$where_clauses[] = empty( $table_alias ) ? "post_mime_type = '$mime_pattern'" : "$table_alias.post_mime_type = '$mime_pattern'";
  3316 		}
  3456 		}
  3317 	}
  3457 	}
  3318 
  3458 
  3319 	if ( ! empty( $wheres ) ) {
  3459 	if ( ! empty( $where_clauses ) ) {
  3320 		$where = ' AND (' . implode( ' OR ', $wheres ) . ') ';
  3460 		$where = ' AND (' . implode( ' OR ', $where_clauses ) . ') ';
  3321 	}
  3461 	}
  3322 
  3462 
  3323 	return $where;
  3463 	return $where;
  3324 }
  3464 }
  3325 
  3465 
  3326 /**
  3466 /**
  3327  * Trash or delete a post or page.
  3467  * Trashes or deletes a post or page.
  3328  *
  3468  *
  3329  * When the post and page is permanently deleted, everything that is tied to
  3469  * When the post and page is permanently deleted, everything that is tied to
  3330  * it is deleted also. This includes comments, post meta fields, and terms
  3470  * it is deleted also. This includes comments, post meta fields, and terms
  3331  * associated with the post.
  3471  * associated with the post.
  3332  *
  3472  *
  3337  *
  3477  *
  3338  * @global wpdb $wpdb WordPress database abstraction object.
  3478  * @global wpdb $wpdb WordPress database abstraction object.
  3339  * @see wp_delete_attachment()
  3479  * @see wp_delete_attachment()
  3340  * @see wp_trash_post()
  3480  * @see wp_trash_post()
  3341  *
  3481  *
  3342  * @param int  $postid       Optional. Post ID. Default 0.
  3482  * @param int  $post_id      Optional. Post ID. Default 0.
  3343  * @param bool $force_delete Optional. Whether to bypass Trash and force deletion.
  3483  * @param bool $force_delete Optional. Whether to bypass Trash and force deletion.
  3344  *                           Default false.
  3484  *                           Default false.
  3345  * @return WP_Post|false|null Post data on success, false or null on failure.
  3485  * @return WP_Post|false|null Post data on success, false or null on failure.
  3346  */
  3486  */
  3347 function wp_delete_post( $postid = 0, $force_delete = false ) {
  3487 function wp_delete_post( $post_id = 0, $force_delete = false ) {
  3348 	global $wpdb;
  3488 	global $wpdb;
  3349 
  3489 
  3350 	$post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d", $postid ) );
  3490 	$post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d", $post_id ) );
  3351 
  3491 
  3352 	if ( ! $post ) {
  3492 	if ( ! $post ) {
  3353 		return $post;
  3493 		return $post;
  3354 	}
  3494 	}
  3355 
  3495 
  3356 	$post = get_post( $post );
  3496 	$post = get_post( $post );
  3357 
  3497 
  3358 	if ( ! $force_delete && ( 'post' === $post->post_type || 'page' === $post->post_type ) && 'trash' !== get_post_status( $postid ) && EMPTY_TRASH_DAYS ) {
  3498 	if ( ! $force_delete
  3359 		return wp_trash_post( $postid );
  3499 		&& ( 'post' === $post->post_type || 'page' === $post->post_type )
       
  3500 		&& 'trash' !== get_post_status( $post_id ) && EMPTY_TRASH_DAYS
       
  3501 	) {
       
  3502 		return wp_trash_post( $post_id );
  3360 	}
  3503 	}
  3361 
  3504 
  3362 	if ( 'attachment' === $post->post_type ) {
  3505 	if ( 'attachment' === $post->post_type ) {
  3363 		return wp_delete_attachment( $postid, $force_delete );
  3506 		return wp_delete_attachment( $post_id, $force_delete );
  3364 	}
  3507 	}
  3365 
  3508 
  3366 	/**
  3509 	/**
  3367 	 * Filters whether a post deletion should take place.
  3510 	 * Filters whether a post deletion should take place.
  3368 	 *
  3511 	 *
  3369 	 * @since 4.4.0
  3512 	 * @since 4.4.0
  3370 	 *
  3513 	 *
  3371 	 * @param WP_Post|false|null $delete       Whether to go forward with deletion. @TODO description
  3514 	 * @param WP_Post|false|null $delete       Whether to go forward with deletion.
  3372 	 * @param WP_Post            $post         Post object.
  3515 	 * @param WP_Post            $post         Post object.
  3373 	 * @param bool               $force_delete Whether to bypass the Trash.
  3516 	 * @param bool               $force_delete Whether to bypass the Trash.
  3374 	 */
  3517 	 */
  3375 	$check = apply_filters( 'pre_delete_post', null, $post, $force_delete );
  3518 	$check = apply_filters( 'pre_delete_post', null, $post, $force_delete );
  3376 	if ( null !== $check ) {
  3519 	if ( null !== $check ) {
  3383 	 * @since 3.2.0
  3526 	 * @since 3.2.0
  3384 	 * @since 5.5.0 Added the `$post` parameter.
  3527 	 * @since 5.5.0 Added the `$post` parameter.
  3385 	 *
  3528 	 *
  3386 	 * @see wp_delete_post()
  3529 	 * @see wp_delete_post()
  3387 	 *
  3530 	 *
  3388 	 * @param int     $postid Post ID.
  3531 	 * @param int     $post_id Post ID.
  3389 	 * @param WP_Post $post   Post object.
  3532 	 * @param WP_Post $post    Post object.
  3390 	 */
  3533 	 */
  3391 	do_action( 'before_delete_post', $postid, $post );
  3534 	do_action( 'before_delete_post', $post_id, $post );
  3392 
  3535 
  3393 	delete_post_meta( $postid, '_wp_trash_meta_status' );
  3536 	delete_post_meta( $post_id, '_wp_trash_meta_status' );
  3394 	delete_post_meta( $postid, '_wp_trash_meta_time' );
  3537 	delete_post_meta( $post_id, '_wp_trash_meta_time' );
  3395 
  3538 
  3396 	wp_delete_object_term_relationships( $postid, get_object_taxonomies( $post->post_type ) );
  3539 	wp_delete_object_term_relationships( $post_id, get_object_taxonomies( $post->post_type ) );
  3397 
  3540 
  3398 	$parent_data  = array( 'post_parent' => $post->post_parent );
  3541 	$parent_data  = array( 'post_parent' => $post->post_parent );
  3399 	$parent_where = array( 'post_parent' => $postid );
  3542 	$parent_where = array( 'post_parent' => $post_id );
  3400 
  3543 
  3401 	if ( is_post_type_hierarchical( $post->post_type ) ) {
  3544 	if ( is_post_type_hierarchical( $post->post_type ) ) {
  3402 		// Point children of this page to its parent, also clean the cache of affected children.
  3545 		// Point children of this page to its parent, also clean the cache of affected children.
  3403 		$children_query = $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE post_parent = %d AND post_type = %s", $postid, $post->post_type );
  3546 		$children_query = $wpdb->prepare(
  3404 		$children       = $wpdb->get_results( $children_query );
  3547 			"SELECT * FROM $wpdb->posts WHERE post_parent = %d AND post_type = %s",
       
  3548 			$post_id,
       
  3549 			$post->post_type
       
  3550 		);
       
  3551 
       
  3552 		$children = $wpdb->get_results( $children_query );
       
  3553 
  3405 		if ( $children ) {
  3554 		if ( $children ) {
  3406 			$wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => $post->post_type ) );
  3555 			$wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => $post->post_type ) );
  3407 		}
  3556 		}
  3408 	}
  3557 	}
  3409 
  3558 
  3410 	// Do raw query. wp_get_post_revisions() is filtered.
  3559 	// Do raw query. wp_get_post_revisions() is filtered.
  3411 	$revision_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'revision'", $postid ) );
  3560 	$revision_ids = $wpdb->get_col(
       
  3561 		$wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'revision'", $post_id )
       
  3562 	);
       
  3563 
  3412 	// Use wp_delete_post (via wp_delete_post_revision) again. Ensures any meta/misplaced data gets cleaned up.
  3564 	// Use wp_delete_post (via wp_delete_post_revision) again. Ensures any meta/misplaced data gets cleaned up.
  3413 	foreach ( $revision_ids as $revision_id ) {
  3565 	foreach ( $revision_ids as $revision_id ) {
  3414 		wp_delete_post_revision( $revision_id );
  3566 		wp_delete_post_revision( $revision_id );
  3415 	}
  3567 	}
  3416 
  3568 
  3417 	// Point all attachments to this post up one level.
  3569 	// Point all attachments to this post up one level.
  3418 	$wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => 'attachment' ) );
  3570 	$wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => 'attachment' ) );
  3419 
  3571 
  3420 	wp_defer_comment_counting( true );
  3572 	wp_defer_comment_counting( true );
  3421 
  3573 
  3422 	$comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d ORDER BY comment_ID DESC", $postid ) );
  3574 	$comment_ids = $wpdb->get_col(
       
  3575 		$wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d ORDER BY comment_ID DESC", $post_id )
       
  3576 	);
       
  3577 
  3423 	foreach ( $comment_ids as $comment_id ) {
  3578 	foreach ( $comment_ids as $comment_id ) {
  3424 		wp_delete_comment( $comment_id, true );
  3579 		wp_delete_comment( $comment_id, true );
  3425 	}
  3580 	}
  3426 
  3581 
  3427 	wp_defer_comment_counting( false );
  3582 	wp_defer_comment_counting( false );
  3428 
  3583 
  3429 	$post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $postid ) );
  3584 	$post_meta_ids = $wpdb->get_col(
       
  3585 		$wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $post_id )
       
  3586 	);
       
  3587 
  3430 	foreach ( $post_meta_ids as $mid ) {
  3588 	foreach ( $post_meta_ids as $mid ) {
  3431 		delete_metadata_by_mid( 'post', $mid );
  3589 		delete_metadata_by_mid( 'post', $mid );
  3432 	}
  3590 	}
  3433 
  3591 
  3434 	/**
  3592 	/**
  3435 	 * Fires immediately before a post is deleted from the database.
  3593 	 * Fires immediately before a post is deleted from the database.
  3436 	 *
  3594 	 *
       
  3595 	 * The dynamic portion of the hook name, `$post->post_type`, refers to
       
  3596 	 * the post type slug.
       
  3597 	 *
       
  3598 	 * @since 6.6.0
       
  3599 	 *
       
  3600 	 * @param int     $post_id Post ID.
       
  3601 	 * @param WP_Post $post    Post object.
       
  3602 	 */
       
  3603 	do_action( "delete_post_{$post->post_type}", $post_id, $post );
       
  3604 
       
  3605 	/**
       
  3606 	 * Fires immediately before a post is deleted from the database.
       
  3607 	 *
  3437 	 * @since 1.2.0
  3608 	 * @since 1.2.0
  3438 	 * @since 5.5.0 Added the `$post` parameter.
  3609 	 * @since 5.5.0 Added the `$post` parameter.
  3439 	 *
  3610 	 *
  3440 	 * @param int     $postid Post ID.
  3611 	 * @param int     $post_id Post ID.
  3441 	 * @param WP_Post $post   Post object.
  3612 	 * @param WP_Post $post    Post object.
  3442 	 */
  3613 	 */
  3443 	do_action( 'delete_post', $postid, $post );
  3614 	do_action( 'delete_post', $post_id, $post );
  3444 
  3615 
  3445 	$result = $wpdb->delete( $wpdb->posts, array( 'ID' => $postid ) );
  3616 	$result = $wpdb->delete( $wpdb->posts, array( 'ID' => $post_id ) );
  3446 	if ( ! $result ) {
  3617 	if ( ! $result ) {
  3447 		return false;
  3618 		return false;
  3448 	}
  3619 	}
  3449 
  3620 
  3450 	/**
  3621 	/**
  3451 	 * Fires immediately after a post is deleted from the database.
  3622 	 * Fires immediately after a post is deleted from the database.
  3452 	 *
  3623 	 *
       
  3624 	 * The dynamic portion of the hook name, `$post->post_type`, refers to
       
  3625 	 * the post type slug.
       
  3626 	 *
       
  3627 	 * @since 6.6.0
       
  3628 	 *
       
  3629 	 * @param int     $post_id Post ID.
       
  3630 	 * @param WP_Post $post    Post object.
       
  3631 	 */
       
  3632 	do_action( "deleted_post_{$post->post_type}", $post_id, $post );
       
  3633 
       
  3634 	/**
       
  3635 	 * Fires immediately after a post is deleted from the database.
       
  3636 	 *
  3453 	 * @since 2.2.0
  3637 	 * @since 2.2.0
  3454 	 * @since 5.5.0 Added the `$post` parameter.
  3638 	 * @since 5.5.0 Added the `$post` parameter.
  3455 	 *
  3639 	 *
  3456 	 * @param int     $postid Post ID.
  3640 	 * @param int     $post_id Post ID.
  3457 	 * @param WP_Post $post   Post object.
  3641 	 * @param WP_Post $post    Post object.
  3458 	 */
  3642 	 */
  3459 	do_action( 'deleted_post', $postid, $post );
  3643 	do_action( 'deleted_post', $post_id, $post );
  3460 
  3644 
  3461 	clean_post_cache( $post );
  3645 	clean_post_cache( $post );
  3462 
  3646 
  3463 	if ( is_post_type_hierarchical( $post->post_type ) && $children ) {
  3647 	if ( is_post_type_hierarchical( $post->post_type ) && $children ) {
  3464 		foreach ( $children as $child ) {
  3648 		foreach ( $children as $child ) {
  3465 			clean_post_cache( $child );
  3649 			clean_post_cache( $child );
  3466 		}
  3650 		}
  3467 	}
  3651 	}
  3468 
  3652 
  3469 	wp_clear_scheduled_hook( 'publish_future_post', array( $postid ) );
  3653 	wp_clear_scheduled_hook( 'publish_future_post', array( $post_id ) );
  3470 
  3654 
  3471 	/**
  3655 	/**
  3472 	 * Fires after a post is deleted, at the conclusion of wp_delete_post().
  3656 	 * Fires after a post is deleted, at the conclusion of wp_delete_post().
  3473 	 *
  3657 	 *
  3474 	 * @since 3.2.0
  3658 	 * @since 3.2.0
  3475 	 * @since 5.5.0 Added the `$post` parameter.
  3659 	 * @since 5.5.0 Added the `$post` parameter.
  3476 	 *
  3660 	 *
  3477 	 * @see wp_delete_post()
  3661 	 * @see wp_delete_post()
  3478 	 *
  3662 	 *
  3479 	 * @param int     $postid Post ID.
  3663 	 * @param int     $post_id Post ID.
  3480 	 * @param WP_Post $post   Post object.
  3664 	 * @param WP_Post $post    Post object.
  3481 	 */
  3665 	 */
  3482 	do_action( 'after_delete_post', $postid, $post );
  3666 	do_action( 'after_delete_post', $post_id, $post );
  3483 
  3667 
  3484 	return $post;
  3668 	return $post;
  3485 }
  3669 }
  3486 
  3670 
  3487 /**
  3671 /**
  3488  * Reset the page_on_front, show_on_front, and page_for_post settings when
  3672  * Resets the page_on_front, show_on_front, and page_for_post settings when
  3489  * a linked page is deleted or trashed.
  3673  * a linked page is deleted or trashed.
  3490  *
  3674  *
  3491  * Also ensures the post is no longer sticky.
  3675  * Also ensures the post is no longer sticky.
  3492  *
  3676  *
  3493  * @since 3.7.0
  3677  * @since 3.7.0
  3514 
  3698 
  3515 	unstick_post( $post->ID );
  3699 	unstick_post( $post->ID );
  3516 }
  3700 }
  3517 
  3701 
  3518 /**
  3702 /**
  3519  * Move a post or page to the Trash
  3703  * Moves a post or page to the Trash
  3520  *
  3704  *
  3521  * If Trash is disabled, the post or page is permanently deleted.
  3705  * If Trash is disabled, the post or page is permanently deleted.
  3522  *
  3706  *
  3523  * @since 2.9.0
  3707  * @since 2.9.0
  3524  *
  3708  *
  3541 
  3725 
  3542 	if ( 'trash' === $post->post_status ) {
  3726 	if ( 'trash' === $post->post_status ) {
  3543 		return false;
  3727 		return false;
  3544 	}
  3728 	}
  3545 
  3729 
       
  3730 	$previous_status = $post->post_status;
       
  3731 
  3546 	/**
  3732 	/**
  3547 	 * Filters whether a post trashing should take place.
  3733 	 * Filters whether a post trashing should take place.
  3548 	 *
  3734 	 *
  3549 	 * @since 4.9.0
  3735 	 * @since 4.9.0
  3550 	 *
  3736 	 * @since 6.3.0 Added the `$previous_status` parameter.
  3551 	 * @param bool|null $trash Whether to go forward with trashing.
  3737 	 *
  3552 	 * @param WP_Post   $post  Post object.
  3738 	 * @param bool|null $trash           Whether to go forward with trashing.
       
  3739 	 * @param WP_Post   $post            Post object.
       
  3740 	 * @param string    $previous_status The status of the post about to be trashed.
  3553 	 */
  3741 	 */
  3554 	$check = apply_filters( 'pre_trash_post', null, $post );
  3742 	$check = apply_filters( 'pre_trash_post', null, $post, $previous_status );
  3555 
  3743 
  3556 	if ( null !== $check ) {
  3744 	if ( null !== $check ) {
  3557 		return $check;
  3745 		return $check;
  3558 	}
  3746 	}
  3559 
  3747 
  3560 	/**
  3748 	/**
  3561 	 * Fires before a post is sent to the Trash.
  3749 	 * Fires before a post is sent to the Trash.
  3562 	 *
  3750 	 *
  3563 	 * @since 3.3.0
  3751 	 * @since 3.3.0
  3564 	 *
  3752 	 * @since 6.3.0 Added the `$previous_status` parameter.
  3565 	 * @param int $post_id Post ID.
  3753 	 *
       
  3754 	 * @param int    $post_id         Post ID.
       
  3755 	 * @param string $previous_status The status of the post about to be trashed.
  3566 	 */
  3756 	 */
  3567 	do_action( 'wp_trash_post', $post_id );
  3757 	do_action( 'wp_trash_post', $post_id, $previous_status );
  3568 
  3758 
  3569 	add_post_meta( $post_id, '_wp_trash_meta_status', $post->post_status );
  3759 	add_post_meta( $post_id, '_wp_trash_meta_status', $previous_status );
  3570 	add_post_meta( $post_id, '_wp_trash_meta_time', time() );
  3760 	add_post_meta( $post_id, '_wp_trash_meta_time', time() );
  3571 
  3761 
  3572 	$post_updated = wp_update_post(
  3762 	$post_updated = wp_update_post(
  3573 		array(
  3763 		array(
  3574 			'ID'          => $post_id,
  3764 			'ID'          => $post_id,
  3584 
  3774 
  3585 	/**
  3775 	/**
  3586 	 * Fires after a post is sent to the Trash.
  3776 	 * Fires after a post is sent to the Trash.
  3587 	 *
  3777 	 *
  3588 	 * @since 2.9.0
  3778 	 * @since 2.9.0
  3589 	 *
  3779 	 * @since 6.3.0 Added the `$previous_status` parameter.
  3590 	 * @param int $post_id Post ID.
  3780 	 *
       
  3781 	 * @param int    $post_id         Post ID.
       
  3782 	 * @param string $previous_status The status of the post at the point where it was trashed.
  3591 	 */
  3783 	 */
  3592 	do_action( 'trashed_post', $post_id );
  3784 	do_action( 'trashed_post', $post_id, $previous_status );
  3593 
  3785 
  3594 	return $post;
  3786 	return $post;
  3595 }
  3787 }
  3596 
  3788 
  3597 /**
  3789 /**
  3621 
  3813 
  3622 	/**
  3814 	/**
  3623 	 * Filters whether a post untrashing should take place.
  3815 	 * Filters whether a post untrashing should take place.
  3624 	 *
  3816 	 *
  3625 	 * @since 4.9.0
  3817 	 * @since 4.9.0
  3626 	 * @since 5.6.0 The `$previous_status` parameter was added.
  3818 	 * @since 5.6.0 Added the `$previous_status` parameter.
  3627 	 *
  3819 	 *
  3628 	 * @param bool|null $untrash         Whether to go forward with untrashing.
  3820 	 * @param bool|null $untrash         Whether to go forward with untrashing.
  3629 	 * @param WP_Post   $post            Post object.
  3821 	 * @param WP_Post   $post            Post object.
  3630 	 * @param string    $previous_status The status of the post at the point where it was trashed.
  3822 	 * @param string    $previous_status The status of the post at the point where it was trashed.
  3631 	 */
  3823 	 */
  3636 
  3828 
  3637 	/**
  3829 	/**
  3638 	 * Fires before a post is restored from the Trash.
  3830 	 * Fires before a post is restored from the Trash.
  3639 	 *
  3831 	 *
  3640 	 * @since 2.9.0
  3832 	 * @since 2.9.0
  3641 	 * @since 5.6.0 The `$previous_status` parameter was added.
  3833 	 * @since 5.6.0 Added the `$previous_status` parameter.
  3642 	 *
  3834 	 *
  3643 	 * @param int    $post_id         Post ID.
  3835 	 * @param int    $post_id         Post ID.
  3644 	 * @param string $previous_status The status of the post at the point where it was trashed.
  3836 	 * @param string $previous_status The status of the post at the point where it was trashed.
  3645 	 */
  3837 	 */
  3646 	do_action( 'untrash_post', $post_id, $previous_status );
  3838 	do_action( 'untrash_post', $post_id, $previous_status );
  3682 
  3874 
  3683 	/**
  3875 	/**
  3684 	 * Fires after a post is restored from the Trash.
  3876 	 * Fires after a post is restored from the Trash.
  3685 	 *
  3877 	 *
  3686 	 * @since 2.9.0
  3878 	 * @since 2.9.0
  3687 	 * @since 5.6.0 The `$previous_status` parameter was added.
  3879 	 * @since 5.6.0 Added the `$previous_status` parameter.
  3688 	 *
  3880 	 *
  3689 	 * @param int    $post_id         Post ID.
  3881 	 * @param int    $post_id         Post ID.
  3690 	 * @param string $previous_status The status of the post at the point where it was trashed.
  3882 	 * @param string $previous_status The status of the post at the point where it was trashed.
  3691 	 */
  3883 	 */
  3692 	do_action( 'untrashed_post', $post_id, $previous_status );
  3884 	do_action( 'untrashed_post', $post_id, $previous_status );
  3754 
  3946 
  3755 	return $result;
  3947 	return $result;
  3756 }
  3948 }
  3757 
  3949 
  3758 /**
  3950 /**
  3759  * Restore comments for a post from the Trash.
  3951  * Restores comments for a post from the Trash.
  3760  *
  3952  *
  3761  * @since 2.9.0
  3953  * @since 2.9.0
  3762  *
  3954  *
  3763  * @global wpdb $wpdb WordPress database abstraction object.
  3955  * @global wpdb $wpdb WordPress database abstraction object.
  3764  *
  3956  *
  3796 	foreach ( $statuses as $comment_id => $comment_status ) {
  3988 	foreach ( $statuses as $comment_id => $comment_status ) {
  3797 		$group_by_status[ $comment_status ][] = $comment_id;
  3989 		$group_by_status[ $comment_status ][] = $comment_id;
  3798 	}
  3990 	}
  3799 
  3991 
  3800 	foreach ( $group_by_status as $status => $comments ) {
  3992 	foreach ( $group_by_status as $status => $comments ) {
  3801 		// Sanity check. This shouldn't happen.
  3993 		// Confidence check. This shouldn't happen.
  3802 		if ( 'post-trashed' === $status ) {
  3994 		if ( 'post-trashed' === $status ) {
  3803 			$status = '0';
  3995 			$status = '0';
  3804 		}
  3996 		}
  3805 		$comments_in = implode( ', ', array_map( 'intval', $comments ) );
  3997 		$comments_in = implode( ', ', array_map( 'intval', $comments ) );
  3806 		$wpdb->query( $wpdb->prepare( "UPDATE $wpdb->comments SET comment_approved = %s WHERE comment_ID IN ($comments_in)", $status ) );
  3998 		$wpdb->query( $wpdb->prepare( "UPDATE $wpdb->comments SET comment_approved = %s WHERE comment_ID IN ($comments_in)", $status ) );
  3819 	 */
  4011 	 */
  3820 	do_action( 'untrashed_post_comments', $post_id );
  4012 	do_action( 'untrashed_post_comments', $post_id );
  3821 }
  4013 }
  3822 
  4014 
  3823 /**
  4015 /**
  3824  * Retrieve the list of categories for a post.
  4016  * Retrieves the list of categories for a post.
  3825  *
  4017  *
  3826  * Compatibility layer for themes and plugins. Also an easy layer of abstraction
  4018  * Compatibility layer for themes and plugins. Also an easy layer of abstraction
  3827  * away from the complexity of the taxonomy layer.
  4019  * away from the complexity of the taxonomy layer.
  3828  *
  4020  *
  3829  * @since 2.1.0
  4021  * @since 2.1.0
  3848 	$cats = wp_get_object_terms( $post_id, 'category', $args );
  4040 	$cats = wp_get_object_terms( $post_id, 'category', $args );
  3849 	return $cats;
  4041 	return $cats;
  3850 }
  4042 }
  3851 
  4043 
  3852 /**
  4044 /**
  3853  * Retrieve the tags for a post.
  4045  * Retrieves the tags for a post.
  3854  *
  4046  *
  3855  * There is only one default for this function, called 'fields' and by default
  4047  * There is only one default for this function, called 'fields' and by default
  3856  * is set to 'all'. There are other defaults that can be overridden in
  4048  * is set to 'all'. There are other defaults that can be overridden in
  3857  * wp_get_object_terms().
  4049  * wp_get_object_terms().
  3858  *
  4050  *
  3896 
  4088 
  3897 	return $tags;
  4089 	return $tags;
  3898 }
  4090 }
  3899 
  4091 
  3900 /**
  4092 /**
  3901  * Retrieve a number of recent posts.
  4093  * Retrieves a number of recent posts.
  3902  *
  4094  *
  3903  * @since 1.0.0
  4095  * @since 1.0.0
  3904  *
  4096  *
  3905  * @see get_posts()
  4097  * @see get_posts()
  3906  *
  4098  *
  3945 		}
  4137 		}
  3946 		return $results ? $results : array();
  4138 		return $results ? $results : array();
  3947 	}
  4139 	}
  3948 
  4140 
  3949 	return $results ? $results : false;
  4141 	return $results ? $results : false;
  3950 
  4142 }
  3951 }
  4143 
  3952 
  4144 /**
  3953 /**
  4145  * Inserts or update a post.
  3954  * Insert or update a post.
       
  3955  *
  4146  *
  3956  * If the $postarr parameter has 'ID' set to a value, then post will be updated.
  4147  * If the $postarr parameter has 'ID' set to a value, then post will be updated.
  3957  *
  4148  *
  3958  * You can set the post date manually, by setting the values for 'post_date'
  4149  * You can set the post date manually, by setting the values for 'post_date'
  3959  * and 'post_date_gmt' keys. You can close the comments or open the comments by
  4150  * and 'post_date_gmt' keys. You can close the comments or open the comments by
  3993  *                                         when creating a new post.
  4184  *                                         when creating a new post.
  3994  *     @type string $to_ping               Space or carriage return-separated list of URLs to ping.
  4185  *     @type string $to_ping               Space or carriage return-separated list of URLs to ping.
  3995  *                                         Default empty.
  4186  *                                         Default empty.
  3996  *     @type string $pinged                Space or carriage return-separated list of URLs that have
  4187  *     @type string $pinged                Space or carriage return-separated list of URLs that have
  3997  *                                         been pinged. Default empty.
  4188  *                                         been pinged. Default empty.
  3998  *     @type string $post_modified         The date when the post was last modified. Default is
       
  3999  *                                         the current time.
       
  4000  *     @type string $post_modified_gmt     The date when the post was last modified in the GMT
       
  4001  *                                         timezone. Default is the current time.
       
  4002  *     @type int    $post_parent           Set this for the post it belongs to, if any. Default 0.
  4189  *     @type int    $post_parent           Set this for the post it belongs to, if any. Default 0.
  4003  *     @type int    $menu_order            The order the post should be displayed in. Default 0.
  4190  *     @type int    $menu_order            The order the post should be displayed in. Default 0.
  4004  *     @type string $post_mime_type        The mime type of the post. Default empty.
  4191  *     @type string $post_mime_type        The mime type of the post. Default empty.
  4005  *     @type string $guid                  Global Unique ID for referencing the post. Default empty.
  4192  *     @type string $guid                  Global Unique ID for referencing the post. Default empty.
  4006  *     @type int    $import_id             The post ID to be used when inserting a new post.
  4193  *     @type int    $import_id             The post ID to be used when inserting a new post.
  4015  *                                         that contains term names or slugs, or a comma-separated string
  4202  *                                         that contains term names or slugs, or a comma-separated string
  4016  *                                         of names or slugs. This is because, in hierarchical taxonomy,
  4203  *                                         of names or slugs. This is because, in hierarchical taxonomy,
  4017  *                                         child terms can have the same names with different parent terms,
  4204  *                                         child terms can have the same names with different parent terms,
  4018  *                                         so the only way to connect them is using ID. Default empty.
  4205  *                                         so the only way to connect them is using ID. Default empty.
  4019  *     @type array  $meta_input            Array of post meta values keyed by their post meta key. Default empty.
  4206  *     @type array  $meta_input            Array of post meta values keyed by their post meta key. Default empty.
       
  4207  *     @type string $page_template         Page template to use.
  4020  * }
  4208  * }
  4021  * @param bool  $wp_error         Optional. Whether to return a WP_Error on failure. Default false.
  4209  * @param bool  $wp_error         Optional. Whether to return a WP_Error on failure. Default false.
  4022  * @param bool  $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true.
  4210  * @param bool  $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true.
  4023  * @return int|WP_Error The post ID on success. The value 0 or WP_Error on failure.
  4211  * @return int|WP_Error The post ID on success. The value 0 or WP_Error on failure.
  4024  */
  4212  */
  4057 	unset( $postarr['filter'] );
  4245 	unset( $postarr['filter'] );
  4058 
  4246 
  4059 	$postarr = sanitize_post( $postarr, 'db' );
  4247 	$postarr = sanitize_post( $postarr, 'db' );
  4060 
  4248 
  4061 	// Are we updating or creating?
  4249 	// Are we updating or creating?
  4062 	$post_ID = 0;
  4250 	$post_id = 0;
  4063 	$update  = false;
  4251 	$update  = false;
  4064 	$guid    = $postarr['guid'];
  4252 	$guid    = $postarr['guid'];
  4065 
  4253 
  4066 	if ( ! empty( $postarr['ID'] ) ) {
  4254 	if ( ! empty( $postarr['ID'] ) ) {
  4067 		$update = true;
  4255 		$update = true;
  4068 
  4256 
  4069 		// Get the post ID and GUID.
  4257 		// Get the post ID and GUID.
  4070 		$post_ID     = $postarr['ID'];
  4258 		$post_id     = $postarr['ID'];
  4071 		$post_before = get_post( $post_ID );
  4259 		$post_before = get_post( $post_id );
  4072 
  4260 
  4073 		if ( is_null( $post_before ) ) {
  4261 		if ( is_null( $post_before ) ) {
  4074 			if ( $wp_error ) {
  4262 			if ( $wp_error ) {
  4075 				return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) );
  4263 				return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) );
  4076 			}
  4264 			}
  4077 			return 0;
  4265 			return 0;
  4078 		}
  4266 		}
  4079 
  4267 
  4080 		$guid            = get_post_field( 'guid', $post_ID );
  4268 		$guid            = get_post_field( 'guid', $post_id );
  4081 		$previous_status = get_post_field( 'post_status', $post_ID );
  4269 		$previous_status = get_post_field( 'post_status', $post_id );
  4082 	} else {
  4270 	} else {
  4083 		$previous_status = 'new';
  4271 		$previous_status = 'new';
  4084 		$post_before     = null;
  4272 		$post_before     = null;
  4085 	}
  4273 	}
  4086 
  4274 
  4134 	}
  4322 	}
  4135 
  4323 
  4136 	if ( ! empty( $postarr['post_category'] ) ) {
  4324 	if ( ! empty( $postarr['post_category'] ) ) {
  4137 		// Filter out empty terms.
  4325 		// Filter out empty terms.
  4138 		$post_category = array_filter( $postarr['post_category'] );
  4326 		$post_category = array_filter( $postarr['post_category'] );
       
  4327 	} elseif ( $update && ! isset( $postarr['post_category'] ) ) {
       
  4328 		$post_category = $post_before->post_category;
  4139 	}
  4329 	}
  4140 
  4330 
  4141 	// Make sure we set a valid category.
  4331 	// Make sure we set a valid category.
  4142 	if ( empty( $post_category ) || 0 === count( $post_category ) || ! is_array( $post_category ) ) {
  4332 	if ( empty( $post_category ) || 0 === count( $post_category ) || ! is_array( $post_category ) ) {
  4143 		// 'post' requires at least one category.
  4333 		// 'post' requires at least one category.
  4151 	/*
  4341 	/*
  4152 	 * Don't allow contributors to set the post slug for pending review posts.
  4342 	 * Don't allow contributors to set the post slug for pending review posts.
  4153 	 *
  4343 	 *
  4154 	 * For new posts check the primitive capability, for updates check the meta capability.
  4344 	 * For new posts check the primitive capability, for updates check the meta capability.
  4155 	 */
  4345 	 */
  4156 	$post_type_object = get_post_type_object( $post_type );
  4346 	if ( 'pending' === $post_status ) {
  4157 
  4347 		$post_type_object = get_post_type_object( $post_type );
  4158 	if ( ! $update && 'pending' === $post_status && ! current_user_can( $post_type_object->cap->publish_posts ) ) {
  4348 
  4159 		$post_name = '';
  4349 		if ( ! $update && $post_type_object && ! current_user_can( $post_type_object->cap->publish_posts ) ) {
  4160 	} elseif ( $update && 'pending' === $post_status && ! current_user_can( 'publish_post', $post_ID ) ) {
  4350 			$post_name = '';
  4161 		$post_name = '';
  4351 		} elseif ( $update && ! current_user_can( 'publish_post', $post_id ) ) {
       
  4352 			$post_name = '';
       
  4353 		}
  4162 	}
  4354 	}
  4163 
  4355 
  4164 	/*
  4356 	/*
  4165 	 * Create a valid post name. Drafts and pending posts are allowed to have
  4357 	 * Create a valid post name. Drafts and pending posts are allowed to have
  4166 	 * an empty post name.
  4358 	 * an empty post name.
  4173 		}
  4365 		}
  4174 	} else {
  4366 	} else {
  4175 		// On updates, we need to check to see if it's using the old, fixed sanitization context.
  4367 		// On updates, we need to check to see if it's using the old, fixed sanitization context.
  4176 		$check_name = sanitize_title( $post_name, '', 'old-save' );
  4368 		$check_name = sanitize_title( $post_name, '', 'old-save' );
  4177 
  4369 
  4178 		if ( $update && strtolower( urlencode( $post_name ) ) == $check_name && get_post_field( 'post_name', $post_ID ) == $check_name ) {
  4370 		if ( $update
       
  4371 			&& strtolower( urlencode( $post_name ) ) === $check_name
       
  4372 			&& get_post_field( 'post_name', $post_id ) === $check_name
       
  4373 		) {
  4179 			$post_name = $check_name;
  4374 			$post_name = $check_name;
  4180 		} else { // new post, or slug has changed.
  4375 		} else { // New post, or slug has changed.
  4181 			$post_name = sanitize_title( $post_name );
  4376 			$post_name = sanitize_title( $post_name );
  4182 		}
  4377 		}
  4183 	}
  4378 	}
  4184 
  4379 
  4185 	/*
  4380 	/*
  4186 	 * Resolve the post date from any provided post date or post date GMT strings;
  4381 	 * Resolve the post date from any provided post date or post date GMT strings;
  4187 	 * if none are provided, the date will be set to now.
  4382 	 * if none are provided, the date will be set to now.
  4188 	 */
  4383 	 */
  4189 	$post_date = wp_resolve_post_date( $postarr['post_date'], $postarr['post_date_gmt'] );
  4384 	$post_date = wp_resolve_post_date( $postarr['post_date'], $postarr['post_date_gmt'] );
       
  4385 
  4190 	if ( ! $post_date ) {
  4386 	if ( ! $post_date ) {
  4191 		if ( $wp_error ) {
  4387 		if ( $wp_error ) {
  4192 			return new WP_Error( 'invalid_date', __( 'Invalid date.' ) );
  4388 			return new WP_Error( 'invalid_date', __( 'Invalid date.' ) );
  4193 		} else {
  4389 		} else {
  4194 			return 0;
  4390 			return 0;
  4267 		$post_parent = 0;
  4463 		$post_parent = 0;
  4268 	}
  4464 	}
  4269 
  4465 
  4270 	$new_postarr = array_merge(
  4466 	$new_postarr = array_merge(
  4271 		array(
  4467 		array(
  4272 			'ID' => $post_ID,
  4468 			'ID' => $post_id,
  4273 		),
  4469 		),
  4274 		compact( array_diff( array_keys( $defaults ), array( 'context', 'filter' ) ) )
  4470 		compact( array_diff( array_keys( $defaults ), array( 'context', 'filter' ) ) )
  4275 	);
  4471 	);
  4276 
  4472 
  4277 	/**
  4473 	/**
  4278 	 * Filters the post parent -- used to check for and prevent hierarchy loops.
  4474 	 * Filters the post parent -- used to check for and prevent hierarchy loops.
  4279 	 *
  4475 	 *
  4280 	 * @since 3.1.0
  4476 	 * @since 3.1.0
  4281 	 *
  4477 	 *
  4282 	 * @param int   $post_parent Post parent ID.
  4478 	 * @param int   $post_parent Post parent ID.
  4283 	 * @param int   $post_ID     Post ID.
  4479 	 * @param int   $post_id     Post ID.
  4284 	 * @param array $new_postarr Array of parsed post data.
  4480 	 * @param array $new_postarr Array of parsed post data.
  4285 	 * @param array $postarr     Array of sanitized, but otherwise unmodified post data.
  4481 	 * @param array $postarr     Array of sanitized, but otherwise unmodified post data.
  4286 	 */
  4482 	 */
  4287 	$post_parent = apply_filters( 'wp_insert_post_parent', $post_parent, $post_ID, $new_postarr, $postarr );
  4483 	$post_parent = apply_filters( 'wp_insert_post_parent', $post_parent, $post_id, $new_postarr, $postarr );
  4288 
  4484 
  4289 	/*
  4485 	/*
  4290 	 * If the post is being untrashed and it has a desired slug stored in post meta,
  4486 	 * If the post is being untrashed and it has a desired slug stored in post meta,
  4291 	 * reassign it.
  4487 	 * reassign it.
  4292 	 */
  4488 	 */
  4293 	if ( 'trash' === $previous_status && 'trash' !== $post_status ) {
  4489 	if ( 'trash' === $previous_status && 'trash' !== $post_status ) {
  4294 		$desired_post_slug = get_post_meta( $post_ID, '_wp_desired_post_slug', true );
  4490 		$desired_post_slug = get_post_meta( $post_id, '_wp_desired_post_slug', true );
  4295 
  4491 
  4296 		if ( $desired_post_slug ) {
  4492 		if ( $desired_post_slug ) {
  4297 			delete_post_meta( $post_ID, '_wp_desired_post_slug' );
  4493 			delete_post_meta( $post_id, '_wp_desired_post_slug' );
  4298 			$post_name = $desired_post_slug;
  4494 			$post_name = $desired_post_slug;
  4299 		}
  4495 		}
  4300 	}
  4496 	}
  4301 
  4497 
  4302 	// If a trashed post has the desired slug, change it and let this post have it.
  4498 	// If a trashed post has the desired slug, change it and let this post have it.
  4306 		 *
  4502 		 *
  4307 		 * @since 5.4.0
  4503 		 * @since 5.4.0
  4308 		 *
  4504 		 *
  4309 		 * @param bool   $add_trashed_suffix Whether to attempt to add the suffix.
  4505 		 * @param bool   $add_trashed_suffix Whether to attempt to add the suffix.
  4310 		 * @param string $post_name          The name of the post being updated.
  4506 		 * @param string $post_name          The name of the post being updated.
  4311 		 * @param int    $post_ID            Post ID.
  4507 		 * @param int    $post_id            Post ID.
  4312 		 */
  4508 		 */
  4313 		$add_trashed_suffix = apply_filters( 'add_trashed_suffix_to_trashed_posts', true, $post_name, $post_ID );
  4509 		$add_trashed_suffix = apply_filters( 'add_trashed_suffix_to_trashed_posts', true, $post_name, $post_id );
  4314 
  4510 
  4315 		if ( $add_trashed_suffix ) {
  4511 		if ( $add_trashed_suffix ) {
  4316 			wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_ID );
  4512 			wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_id );
  4317 		}
  4513 		}
  4318 	}
  4514 	}
  4319 
  4515 
  4320 	// When trashing an existing post, change its slug to allow non-trashed posts to use it.
  4516 	// When trashing an existing post, change its slug to allow non-trashed posts to use it.
  4321 	if ( 'trash' === $post_status && 'trash' !== $previous_status && 'new' !== $previous_status ) {
  4517 	if ( 'trash' === $post_status && 'trash' !== $previous_status && 'new' !== $previous_status ) {
  4322 		$post_name = wp_add_trashed_suffix_to_post_name_for_post( $post_ID );
  4518 		$post_name = wp_add_trashed_suffix_to_post_name_for_post( $post_id );
  4323 	}
  4519 	}
  4324 
  4520 
  4325 	$post_name = wp_unique_post_slug( $post_name, $post_ID, $post_status, $post_type, $post_parent );
  4521 	$post_name = wp_unique_post_slug( $post_name, $post_id, $post_status, $post_type, $post_parent );
  4326 
  4522 
  4327 	// Don't unslash.
  4523 	// Don't unslash.
  4328 	$post_mime_type = isset( $postarr['post_mime_type'] ) ? $postarr['post_mime_type'] : '';
  4524 	$post_mime_type = isset( $postarr['post_mime_type'] ) ? $postarr['post_mime_type'] : '';
  4329 
  4525 
  4330 	// Expected_slashed (everything!).
  4526 	// Expected_slashed (everything!).
  4331 	$data = compact( 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_content_filtered', 'post_title', 'post_excerpt', 'post_status', 'post_type', 'comment_status', 'ping_status', 'post_password', 'post_name', 'to_ping', 'pinged', 'post_modified', 'post_modified_gmt', 'post_parent', 'menu_order', 'post_mime_type', 'guid' );
  4527 	$data = compact(
       
  4528 		'post_author',
       
  4529 		'post_date',
       
  4530 		'post_date_gmt',
       
  4531 		'post_content',
       
  4532 		'post_content_filtered',
       
  4533 		'post_title',
       
  4534 		'post_excerpt',
       
  4535 		'post_status',
       
  4536 		'post_type',
       
  4537 		'comment_status',
       
  4538 		'ping_status',
       
  4539 		'post_password',
       
  4540 		'post_name',
       
  4541 		'to_ping',
       
  4542 		'pinged',
       
  4543 		'post_modified',
       
  4544 		'post_modified_gmt',
       
  4545 		'post_parent',
       
  4546 		'menu_order',
       
  4547 		'post_mime_type',
       
  4548 		'guid'
       
  4549 	);
  4332 
  4550 
  4333 	$emoji_fields = array( 'post_title', 'post_content', 'post_excerpt' );
  4551 	$emoji_fields = array( 'post_title', 'post_content', 'post_excerpt' );
  4334 
  4552 
  4335 	foreach ( $emoji_fields as $emoji_field ) {
  4553 	foreach ( $emoji_fields as $emoji_field ) {
  4336 		if ( isset( $data[ $emoji_field ] ) ) {
  4554 		if ( isset( $data[ $emoji_field ] ) ) {
  4373 		 */
  4591 		 */
  4374 		$data = apply_filters( 'wp_insert_post_data', $data, $postarr, $unsanitized_postarr, $update );
  4592 		$data = apply_filters( 'wp_insert_post_data', $data, $postarr, $unsanitized_postarr, $update );
  4375 	}
  4593 	}
  4376 
  4594 
  4377 	$data  = wp_unslash( $data );
  4595 	$data  = wp_unslash( $data );
  4378 	$where = array( 'ID' => $post_ID );
  4596 	$where = array( 'ID' => $post_id );
  4379 
  4597 
  4380 	if ( $update ) {
  4598 	if ( $update ) {
  4381 		/**
  4599 		/**
  4382 		 * Fires immediately before an existing post is updated in the database.
  4600 		 * Fires immediately before an existing post is updated in the database.
  4383 		 *
  4601 		 *
  4384 		 * @since 2.5.0
  4602 		 * @since 2.5.0
  4385 		 *
  4603 		 *
  4386 		 * @param int   $post_ID Post ID.
  4604 		 * @param int   $post_id Post ID.
  4387 		 * @param array $data    Array of unslashed post data.
  4605 		 * @param array $data    Array of unslashed post data.
  4388 		 */
  4606 		 */
  4389 		do_action( 'pre_post_update', $post_ID, $data );
  4607 		do_action( 'pre_post_update', $post_id, $data );
  4390 
  4608 
  4391 		if ( false === $wpdb->update( $wpdb->posts, $data, $where ) ) {
  4609 		if ( false === $wpdb->update( $wpdb->posts, $data, $where ) ) {
  4392 			if ( $wp_error ) {
  4610 			if ( $wp_error ) {
  4393 				if ( 'attachment' === $post_type ) {
  4611 				if ( 'attachment' === $post_type ) {
  4394 					$message = __( 'Could not update attachment in the database.' );
  4612 					$message = __( 'Could not update attachment in the database.' );
  4423 			} else {
  4641 			} else {
  4424 				return 0;
  4642 				return 0;
  4425 			}
  4643 			}
  4426 		}
  4644 		}
  4427 
  4645 
  4428 		$post_ID = (int) $wpdb->insert_id;
  4646 		$post_id = (int) $wpdb->insert_id;
  4429 
  4647 
  4430 		// Use the newly generated $post_ID.
  4648 		// Use the newly generated $post_id.
  4431 		$where = array( 'ID' => $post_ID );
  4649 		$where = array( 'ID' => $post_id );
  4432 	}
  4650 	}
  4433 
  4651 
  4434 	if ( empty( $data['post_name'] ) && ! in_array( $data['post_status'], array( 'draft', 'pending', 'auto-draft' ), true ) ) {
  4652 	if ( empty( $data['post_name'] ) && ! in_array( $data['post_status'], array( 'draft', 'pending', 'auto-draft' ), true ) ) {
  4435 		$data['post_name'] = wp_unique_post_slug( sanitize_title( $data['post_title'], $post_ID ), $post_ID, $data['post_status'], $post_type, $post_parent );
  4653 		$data['post_name'] = wp_unique_post_slug( sanitize_title( $data['post_title'], $post_id ), $post_id, $data['post_status'], $post_type, $post_parent );
  4436 
  4654 
  4437 		$wpdb->update( $wpdb->posts, array( 'post_name' => $data['post_name'] ), $where );
  4655 		$wpdb->update( $wpdb->posts, array( 'post_name' => $data['post_name'] ), $where );
  4438 		clean_post_cache( $post_ID );
  4656 		clean_post_cache( $post_id );
  4439 	}
  4657 	}
  4440 
  4658 
  4441 	if ( is_object_in_taxonomy( $post_type, 'category' ) ) {
  4659 	if ( is_object_in_taxonomy( $post_type, 'category' ) ) {
  4442 		wp_set_post_categories( $post_ID, $post_category );
  4660 		wp_set_post_categories( $post_id, $post_category );
  4443 	}
  4661 	}
  4444 
  4662 
  4445 	if ( isset( $postarr['tags_input'] ) && is_object_in_taxonomy( $post_type, 'post_tag' ) ) {
  4663 	if ( isset( $postarr['tags_input'] ) && is_object_in_taxonomy( $post_type, 'post_tag' ) ) {
  4446 		wp_set_post_tags( $post_ID, $postarr['tags_input'] );
  4664 		wp_set_post_tags( $post_id, $postarr['tags_input'] );
  4447 	}
  4665 	}
  4448 
  4666 
  4449 	// Add default term for all associated custom taxonomies.
  4667 	// Add default term for all associated custom taxonomies.
  4450 	if ( 'auto-draft' !== $post_status ) {
  4668 	if ( 'auto-draft' !== $post_status ) {
  4451 		foreach ( get_object_taxonomies( $post_type, 'object' ) as $taxonomy => $tax_object ) {
  4669 		foreach ( get_object_taxonomies( $post_type, 'object' ) as $taxonomy => $tax_object ) {
  4456 				if ( isset( $postarr['tax_input'][ $taxonomy ] ) && is_array( $postarr['tax_input'][ $taxonomy ] ) ) {
  4674 				if ( isset( $postarr['tax_input'][ $taxonomy ] ) && is_array( $postarr['tax_input'][ $taxonomy ] ) ) {
  4457 					$postarr['tax_input'][ $taxonomy ] = array_filter( $postarr['tax_input'][ $taxonomy ] );
  4675 					$postarr['tax_input'][ $taxonomy ] = array_filter( $postarr['tax_input'][ $taxonomy ] );
  4458 				}
  4676 				}
  4459 
  4677 
  4460 				// Passed custom taxonomy list overwrites the existing list if not empty.
  4678 				// Passed custom taxonomy list overwrites the existing list if not empty.
  4461 				$terms = wp_get_object_terms( $post_ID, $taxonomy, array( 'fields' => 'ids' ) );
  4679 				$terms = wp_get_object_terms( $post_id, $taxonomy, array( 'fields' => 'ids' ) );
  4462 				if ( ! empty( $terms ) && empty( $postarr['tax_input'][ $taxonomy ] ) ) {
  4680 				if ( ! empty( $terms ) && empty( $postarr['tax_input'][ $taxonomy ] ) ) {
  4463 					$postarr['tax_input'][ $taxonomy ] = $terms;
  4681 					$postarr['tax_input'][ $taxonomy ] = $terms;
  4464 				}
  4682 				}
  4465 
  4683 
  4466 				if ( empty( $postarr['tax_input'][ $taxonomy ] ) ) {
  4684 				if ( empty( $postarr['tax_input'][ $taxonomy ] ) ) {
  4488 			if ( is_array( $tags ) ) {
  4706 			if ( is_array( $tags ) ) {
  4489 				$tags = array_filter( $tags );
  4707 				$tags = array_filter( $tags );
  4490 			}
  4708 			}
  4491 
  4709 
  4492 			if ( current_user_can( $taxonomy_obj->cap->assign_terms ) ) {
  4710 			if ( current_user_can( $taxonomy_obj->cap->assign_terms ) ) {
  4493 				wp_set_post_terms( $post_ID, $tags, $taxonomy );
  4711 				wp_set_post_terms( $post_id, $tags, $taxonomy );
  4494 			}
  4712 			}
  4495 		}
  4713 		}
  4496 	}
  4714 	}
  4497 
  4715 
  4498 	if ( ! empty( $postarr['meta_input'] ) ) {
  4716 	if ( ! empty( $postarr['meta_input'] ) ) {
  4499 		foreach ( $postarr['meta_input'] as $field => $value ) {
  4717 		foreach ( $postarr['meta_input'] as $field => $value ) {
  4500 			update_post_meta( $post_ID, $field, $value );
  4718 			update_post_meta( $post_id, $field, $value );
  4501 		}
  4719 		}
  4502 	}
  4720 	}
  4503 
  4721 
  4504 	$current_guid = get_post_field( 'guid', $post_ID );
  4722 	$current_guid = get_post_field( 'guid', $post_id );
  4505 
  4723 
  4506 	// Set GUID.
  4724 	// Set GUID.
  4507 	if ( ! $update && '' === $current_guid ) {
  4725 	if ( ! $update && '' === $current_guid ) {
  4508 		$wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post_ID ) ), $where );
  4726 		$wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post_id ) ), $where );
  4509 	}
  4727 	}
  4510 
  4728 
  4511 	if ( 'attachment' === $postarr['post_type'] ) {
  4729 	if ( 'attachment' === $postarr['post_type'] ) {
  4512 		if ( ! empty( $postarr['file'] ) ) {
  4730 		if ( ! empty( $postarr['file'] ) ) {
  4513 			update_attached_file( $post_ID, $postarr['file'] );
  4731 			update_attached_file( $post_id, $postarr['file'] );
  4514 		}
  4732 		}
  4515 
  4733 
  4516 		if ( ! empty( $postarr['context'] ) ) {
  4734 		if ( ! empty( $postarr['context'] ) ) {
  4517 			add_post_meta( $post_ID, '_wp_attachment_context', $postarr['context'], true );
  4735 			add_post_meta( $post_id, '_wp_attachment_context', $postarr['context'], true );
  4518 		}
  4736 		}
  4519 	}
  4737 	}
  4520 
  4738 
  4521 	// Set or remove featured image.
  4739 	// Set or remove featured image.
  4522 	if ( isset( $postarr['_thumbnail_id'] ) ) {
  4740 	if ( isset( $postarr['_thumbnail_id'] ) ) {
  4523 		$thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' ) || 'revision' === $post_type;
  4741 		$thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' ) || 'revision' === $post_type;
  4524 
  4742 
  4525 		if ( ! $thumbnail_support && 'attachment' === $post_type && $post_mime_type ) {
  4743 		if ( ! $thumbnail_support && 'attachment' === $post_type && $post_mime_type ) {
  4526 			if ( wp_attachment_is( 'audio', $post_ID ) ) {
  4744 			if ( wp_attachment_is( 'audio', $post_id ) ) {
  4527 				$thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
  4745 				$thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
  4528 			} elseif ( wp_attachment_is( 'video', $post_ID ) ) {
  4746 			} elseif ( wp_attachment_is( 'video', $post_id ) ) {
  4529 				$thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
  4747 				$thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
  4530 			}
  4748 			}
  4531 		}
  4749 		}
  4532 
  4750 
  4533 		if ( $thumbnail_support ) {
  4751 		if ( $thumbnail_support ) {
  4534 			$thumbnail_id = (int) $postarr['_thumbnail_id'];
  4752 			$thumbnail_id = (int) $postarr['_thumbnail_id'];
  4535 			if ( -1 === $thumbnail_id ) {
  4753 			if ( -1 === $thumbnail_id ) {
  4536 				delete_post_thumbnail( $post_ID );
  4754 				delete_post_thumbnail( $post_id );
  4537 			} else {
  4755 			} else {
  4538 				set_post_thumbnail( $post_ID, $thumbnail_id );
  4756 				set_post_thumbnail( $post_id, $thumbnail_id );
  4539 			}
  4757 			}
  4540 		}
  4758 		}
  4541 	}
  4759 	}
  4542 
  4760 
  4543 	clean_post_cache( $post_ID );
  4761 	clean_post_cache( $post_id );
  4544 
  4762 
  4545 	$post = get_post( $post_ID );
  4763 	$post = get_post( $post_id );
  4546 
  4764 
  4547 	if ( ! empty( $postarr['page_template'] ) ) {
  4765 	if ( ! empty( $postarr['page_template'] ) ) {
  4548 		$post->page_template = $postarr['page_template'];
  4766 		$post->page_template = $postarr['page_template'];
  4549 		$page_templates      = wp_get_theme()->get_page_templates( $post );
  4767 		$page_templates      = wp_get_theme()->get_page_templates( $post );
  4550 
  4768 
  4551 		if ( 'default' !== $postarr['page_template'] && ! isset( $page_templates[ $postarr['page_template'] ] ) ) {
  4769 		if ( 'default' !== $postarr['page_template'] && ! isset( $page_templates[ $postarr['page_template'] ] ) ) {
  4552 			if ( $wp_error ) {
  4770 			if ( $wp_error ) {
  4553 				return new WP_Error( 'invalid_page_template', __( 'Invalid page template.' ) );
  4771 				return new WP_Error( 'invalid_page_template', __( 'Invalid page template.' ) );
  4554 			}
  4772 			}
  4555 
  4773 
  4556 			update_post_meta( $post_ID, '_wp_page_template', 'default' );
  4774 			update_post_meta( $post_id, '_wp_page_template', 'default' );
  4557 		} else {
  4775 		} else {
  4558 			update_post_meta( $post_ID, '_wp_page_template', $postarr['page_template'] );
  4776 			update_post_meta( $post_id, '_wp_page_template', $postarr['page_template'] );
  4559 		}
  4777 		}
  4560 	}
  4778 	}
  4561 
  4779 
  4562 	if ( 'attachment' !== $postarr['post_type'] ) {
  4780 	if ( 'attachment' !== $postarr['post_type'] ) {
  4563 		wp_transition_post_status( $data['post_status'], $previous_status, $post );
  4781 		wp_transition_post_status( $data['post_status'], $previous_status, $post );
  4566 			/**
  4784 			/**
  4567 			 * Fires once an existing attachment has been updated.
  4785 			 * Fires once an existing attachment has been updated.
  4568 			 *
  4786 			 *
  4569 			 * @since 2.0.0
  4787 			 * @since 2.0.0
  4570 			 *
  4788 			 *
  4571 			 * @param int $post_ID Attachment ID.
  4789 			 * @param int $post_id Attachment ID.
  4572 			 */
  4790 			 */
  4573 			do_action( 'edit_attachment', $post_ID );
  4791 			do_action( 'edit_attachment', $post_id );
  4574 
  4792 
  4575 			$post_after = get_post( $post_ID );
  4793 			$post_after = get_post( $post_id );
  4576 
  4794 
  4577 			/**
  4795 			/**
  4578 			 * Fires once an existing attachment has been updated.
  4796 			 * Fires once an existing attachment has been updated.
  4579 			 *
  4797 			 *
  4580 			 * @since 4.4.0
  4798 			 * @since 4.4.0
  4581 			 *
  4799 			 *
  4582 			 * @param int     $post_ID      Post ID.
  4800 			 * @param int     $post_id      Post ID.
  4583 			 * @param WP_Post $post_after   Post object following the update.
  4801 			 * @param WP_Post $post_after   Post object following the update.
  4584 			 * @param WP_Post $post_before  Post object before the update.
  4802 			 * @param WP_Post $post_before  Post object before the update.
  4585 			 */
  4803 			 */
  4586 			do_action( 'attachment_updated', $post_ID, $post_after, $post_before );
  4804 			do_action( 'attachment_updated', $post_id, $post_after, $post_before );
  4587 		} else {
  4805 		} else {
  4588 
  4806 
  4589 			/**
  4807 			/**
  4590 			 * Fires once an attachment has been added.
  4808 			 * Fires once an attachment has been added.
  4591 			 *
  4809 			 *
  4592 			 * @since 2.0.0
  4810 			 * @since 2.0.0
  4593 			 *
  4811 			 *
  4594 			 * @param int $post_ID Attachment ID.
  4812 			 * @param int $post_id Attachment ID.
  4595 			 */
  4813 			 */
  4596 			do_action( 'add_attachment', $post_ID );
  4814 			do_action( 'add_attachment', $post_id );
  4597 		}
  4815 		}
  4598 
  4816 
  4599 		return $post_ID;
  4817 		return $post_id;
  4600 	}
  4818 	}
  4601 
  4819 
  4602 	if ( $update ) {
  4820 	if ( $update ) {
  4603 		/**
  4821 		/**
  4604 		 * Fires once an existing post has been updated.
  4822 		 * Fires once an existing post has been updated.
  4611 		 *  - `edit_post_post`
  4829 		 *  - `edit_post_post`
  4612 		 *  - `edit_post_page`
  4830 		 *  - `edit_post_page`
  4613 		 *
  4831 		 *
  4614 		 * @since 5.1.0
  4832 		 * @since 5.1.0
  4615 		 *
  4833 		 *
  4616 		 * @param int     $post_ID Post ID.
  4834 		 * @param int     $post_id Post ID.
  4617 		 * @param WP_Post $post    Post object.
  4835 		 * @param WP_Post $post    Post object.
  4618 		 */
  4836 		 */
  4619 		do_action( "edit_post_{$post->post_type}", $post_ID, $post );
  4837 		do_action( "edit_post_{$post->post_type}", $post_id, $post );
  4620 
  4838 
  4621 		/**
  4839 		/**
  4622 		 * Fires once an existing post has been updated.
  4840 		 * Fires once an existing post has been updated.
  4623 		 *
  4841 		 *
  4624 		 * @since 1.2.0
  4842 		 * @since 1.2.0
  4625 		 *
  4843 		 *
  4626 		 * @param int     $post_ID Post ID.
  4844 		 * @param int     $post_id Post ID.
  4627 		 * @param WP_Post $post    Post object.
  4845 		 * @param WP_Post $post    Post object.
  4628 		 */
  4846 		 */
  4629 		do_action( 'edit_post', $post_ID, $post );
  4847 		do_action( 'edit_post', $post_id, $post );
  4630 
  4848 
  4631 		$post_after = get_post( $post_ID );
  4849 		$post_after = get_post( $post_id );
  4632 
  4850 
  4633 		/**
  4851 		/**
  4634 		 * Fires once an existing post has been updated.
  4852 		 * Fires once an existing post has been updated.
  4635 		 *
  4853 		 *
  4636 		 * @since 3.0.0
  4854 		 * @since 3.0.0
  4637 		 *
  4855 		 *
  4638 		 * @param int     $post_ID      Post ID.
  4856 		 * @param int     $post_id      Post ID.
  4639 		 * @param WP_Post $post_after   Post object following the update.
  4857 		 * @param WP_Post $post_after   Post object following the update.
  4640 		 * @param WP_Post $post_before  Post object before the update.
  4858 		 * @param WP_Post $post_before  Post object before the update.
  4641 		 */
  4859 		 */
  4642 		do_action( 'post_updated', $post_ID, $post_after, $post_before );
  4860 		do_action( 'post_updated', $post_id, $post_after, $post_before );
  4643 	}
  4861 	}
  4644 
  4862 
  4645 	/**
  4863 	/**
  4646 	 * Fires once a post has been saved.
  4864 	 * Fires once a post has been saved.
  4647 	 *
  4865 	 *
  4653 	 *  - `save_post_post`
  4871 	 *  - `save_post_post`
  4654 	 *  - `save_post_page`
  4872 	 *  - `save_post_page`
  4655 	 *
  4873 	 *
  4656 	 * @since 3.7.0
  4874 	 * @since 3.7.0
  4657 	 *
  4875 	 *
  4658 	 * @param int     $post_ID Post ID.
  4876 	 * @param int     $post_id Post ID.
  4659 	 * @param WP_Post $post    Post object.
  4877 	 * @param WP_Post $post    Post object.
  4660 	 * @param bool    $update  Whether this is an existing post being updated.
  4878 	 * @param bool    $update  Whether this is an existing post being updated.
  4661 	 */
  4879 	 */
  4662 	do_action( "save_post_{$post->post_type}", $post_ID, $post, $update );
  4880 	do_action( "save_post_{$post->post_type}", $post_id, $post, $update );
  4663 
  4881 
  4664 	/**
  4882 	/**
  4665 	 * Fires once a post has been saved.
  4883 	 * Fires once a post has been saved.
  4666 	 *
  4884 	 *
  4667 	 * @since 1.5.0
  4885 	 * @since 1.5.0
  4668 	 *
  4886 	 *
  4669 	 * @param int     $post_ID Post ID.
  4887 	 * @param int     $post_id Post ID.
  4670 	 * @param WP_Post $post    Post object.
  4888 	 * @param WP_Post $post    Post object.
  4671 	 * @param bool    $update  Whether this is an existing post being updated.
  4889 	 * @param bool    $update  Whether this is an existing post being updated.
  4672 	 */
  4890 	 */
  4673 	do_action( 'save_post', $post_ID, $post, $update );
  4891 	do_action( 'save_post', $post_id, $post, $update );
  4674 
  4892 
  4675 	/**
  4893 	/**
  4676 	 * Fires once a post has been saved.
  4894 	 * Fires once a post has been saved.
  4677 	 *
  4895 	 *
  4678 	 * @since 2.0.0
  4896 	 * @since 2.0.0
  4679 	 *
  4897 	 *
  4680 	 * @param int     $post_ID Post ID.
  4898 	 * @param int     $post_id Post ID.
  4681 	 * @param WP_Post $post    Post object.
  4899 	 * @param WP_Post $post    Post object.
  4682 	 * @param bool    $update  Whether this is an existing post being updated.
  4900 	 * @param bool    $update  Whether this is an existing post being updated.
  4683 	 */
  4901 	 */
  4684 	do_action( 'wp_insert_post', $post_ID, $post, $update );
  4902 	do_action( 'wp_insert_post', $post_id, $post, $update );
  4685 
  4903 
  4686 	if ( $fire_after_hooks ) {
  4904 	if ( $fire_after_hooks ) {
  4687 		wp_after_insert_post( $post, $update, $post_before );
  4905 		wp_after_insert_post( $post, $update, $post_before );
  4688 	}
  4906 	}
  4689 
  4907 
  4690 	return $post_ID;
  4908 	return $post_id;
  4691 }
  4909 }
  4692 
  4910 
  4693 /**
  4911 /**
  4694  * Update a post with new post data.
  4912  * Updates a post with new post data.
  4695  *
  4913  *
  4696  * The date does not have to be set for drafts. You can set the date and it will
  4914  * The date does not have to be set for drafts. You can set the date and it will
  4697  * not be overridden.
  4915  * not be overridden.
  4698  *
  4916  *
  4699  * @since 1.0.0
  4917  * @since 1.0.0
  4774 
  4992 
  4775 	return wp_insert_post( $postarr, $wp_error, $fire_after_hooks );
  4993 	return wp_insert_post( $postarr, $wp_error, $fire_after_hooks );
  4776 }
  4994 }
  4777 
  4995 
  4778 /**
  4996 /**
  4779  * Publish a post by transitioning the post status.
  4997  * Publishes a post by transitioning the post status.
  4780  *
  4998  *
  4781  * @since 2.1.0
  4999  * @since 2.1.0
  4782  *
  5000  *
  4783  * @global wpdb $wpdb WordPress database abstraction object.
  5001  * @global wpdb $wpdb WordPress database abstraction object.
  4784  *
  5002  *
  4851 
  5069 
  4852 	wp_after_insert_post( $post, true, $post_before );
  5070 	wp_after_insert_post( $post, true, $post_before );
  4853 }
  5071 }
  4854 
  5072 
  4855 /**
  5073 /**
  4856  * Publish future post and make sure post ID has future post status.
  5074  * Publishes future post and make sure post ID has future post status.
  4857  *
  5075  *
  4858  * Invoked by cron 'publish_future_post' event. This safeguard prevents cron
  5076  * Invoked by cron 'publish_future_post' event. This safeguard prevents cron
  4859  * from publishing drafts, etc.
  5077  * from publishing drafts, etc.
  4860  *
  5078  *
  4861  * @since 2.5.0
  5079  * @since 2.5.0
  4862  *
  5080  *
  4863  * @param int|WP_Post $post_id Post ID or post object.
  5081  * @param int|WP_Post $post Post ID or post object.
  4864  */
  5082  */
  4865 function check_and_publish_future_post( $post_id ) {
  5083 function check_and_publish_future_post( $post ) {
  4866 	$post = get_post( $post_id );
  5084 	$post = get_post( $post );
  4867 
  5085 
  4868 	if ( ! $post ) {
  5086 	if ( ! $post ) {
  4869 		return;
  5087 		return;
  4870 	}
  5088 	}
  4871 
  5089 
  4875 
  5093 
  4876 	$time = strtotime( $post->post_date_gmt . ' GMT' );
  5094 	$time = strtotime( $post->post_date_gmt . ' GMT' );
  4877 
  5095 
  4878 	// Uh oh, someone jumped the gun!
  5096 	// Uh oh, someone jumped the gun!
  4879 	if ( $time > time() ) {
  5097 	if ( $time > time() ) {
  4880 		wp_clear_scheduled_hook( 'publish_future_post', array( $post_id ) ); // Clear anything else in the system.
  5098 		wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) ); // Clear anything else in the system.
  4881 		wp_schedule_single_event( $time, 'publish_future_post', array( $post_id ) );
  5099 		wp_schedule_single_event( $time, 'publish_future_post', array( $post->ID ) );
  4882 		return;
  5100 		return;
  4883 	}
  5101 	}
  4884 
  5102 
  4885 	// wp_publish_post() returns no meaningful value.
  5103 	// wp_publish_post() returns no meaningful value.
  4886 	wp_publish_post( $post_id );
  5104 	wp_publish_post( $post->ID );
  4887 }
  5105 }
  4888 
  5106 
  4889 /**
  5107 /**
  4890  * Uses wp_checkdate to return a valid Gregorian-calendar value for post_date.
  5108  * Uses wp_checkdate to return a valid Gregorian-calendar value for post_date.
  4891  * If post_date is not provided, this first checks post_date_gmt if provided,
  5109  * If post_date is not provided, this first checks post_date_gmt if provided,
  4894  * For back-compat purposes in wp_insert_post, an empty post_date and an invalid
  5112  * For back-compat purposes in wp_insert_post, an empty post_date and an invalid
  4895  * post_date_gmt will continue to return '1970-01-01 00:00:00' rather than false.
  5113  * post_date_gmt will continue to return '1970-01-01 00:00:00' rather than false.
  4896  *
  5114  *
  4897  * @since 5.7.0
  5115  * @since 5.7.0
  4898  *
  5116  *
  4899  * @param string $post_date     The date in mysql format.
  5117  * @param string $post_date     The date in mysql format (`Y-m-d H:i:s`).
  4900  * @param string $post_date_gmt The GMT date in mysql format.
  5118  * @param string $post_date_gmt The GMT date in mysql format (`Y-m-d H:i:s`).
  4901  * @return string|false A valid Gregorian-calendar date string, or false on failure.
  5119  * @return string|false A valid Gregorian-calendar date string, or false on failure.
  4902  */
  5120  */
  4903 function wp_resolve_post_date( $post_date = '', $post_date_gmt = '' ) {
  5121 function wp_resolve_post_date( $post_date = '', $post_date_gmt = '' ) {
  4904 	// If the date is empty, set the date to now.
  5122 	// If the date is empty, set the date to now.
  4905 	if ( empty( $post_date ) || '0000-00-00 00:00:00' === $post_date ) {
  5123 	if ( empty( $post_date ) || '0000-00-00 00:00:00' === $post_date ) {
  4909 			$post_date = get_date_from_gmt( $post_date_gmt );
  5127 			$post_date = get_date_from_gmt( $post_date_gmt );
  4910 		}
  5128 		}
  4911 	}
  5129 	}
  4912 
  5130 
  4913 	// Validate the date.
  5131 	// Validate the date.
  4914 	$month = substr( $post_date, 5, 2 );
  5132 	$month = (int) substr( $post_date, 5, 2 );
  4915 	$day   = substr( $post_date, 8, 2 );
  5133 	$day   = (int) substr( $post_date, 8, 2 );
  4916 	$year  = substr( $post_date, 0, 4 );
  5134 	$year  = (int) substr( $post_date, 0, 4 );
  4917 
  5135 
  4918 	$valid_date = wp_checkdate( $month, $day, $year, $post_date );
  5136 	$valid_date = wp_checkdate( $month, $day, $year, $post_date );
  4919 
  5137 
  4920 	if ( ! $valid_date ) {
  5138 	if ( ! $valid_date ) {
  4921 		return false;
  5139 		return false;
  4930  *
  5148  *
  4931  * @global wpdb       $wpdb       WordPress database abstraction object.
  5149  * @global wpdb       $wpdb       WordPress database abstraction object.
  4932  * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
  5150  * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
  4933  *
  5151  *
  4934  * @param string $slug        The desired slug (post_name).
  5152  * @param string $slug        The desired slug (post_name).
  4935  * @param int    $post_ID     Post ID.
  5153  * @param int    $post_id     Post ID.
  4936  * @param string $post_status No uniqueness checks are made if the post is still draft or pending.
  5154  * @param string $post_status No uniqueness checks are made if the post is still draft or pending.
  4937  * @param string $post_type   Post type.
  5155  * @param string $post_type   Post type.
  4938  * @param int    $post_parent Post parent ID.
  5156  * @param int    $post_parent Post parent ID.
  4939  * @return string Unique slug for the post, based on $post_name (with a -1, -2, etc. suffix)
  5157  * @return string Unique slug for the post, based on $post_name (with a -1, -2, etc. suffix)
  4940  */
  5158  */
  4941 function wp_unique_post_slug( $slug, $post_ID, $post_status, $post_type, $post_parent ) {
  5159 function wp_unique_post_slug( $slug, $post_id, $post_status, $post_type, $post_parent ) {
  4942 	if ( in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ), true )
  5160 	if ( in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ), true )
  4943 		|| ( 'inherit' === $post_status && 'revision' === $post_type ) || 'user_request' === $post_type
  5161 		|| ( 'inherit' === $post_status && 'revision' === $post_type ) || 'user_request' === $post_type
  4944 	) {
  5162 	) {
  4945 		return $slug;
  5163 		return $slug;
  4946 	}
  5164 	}
  4953 	 *
  5171 	 *
  4954 	 * @since 5.1.0
  5172 	 * @since 5.1.0
  4955 	 *
  5173 	 *
  4956 	 * @param string|null $override_slug Short-circuit return value.
  5174 	 * @param string|null $override_slug Short-circuit return value.
  4957 	 * @param string      $slug          The desired slug (post_name).
  5175 	 * @param string      $slug          The desired slug (post_name).
  4958 	 * @param int         $post_ID       Post ID.
  5176 	 * @param int         $post_id       Post ID.
  4959 	 * @param string      $post_status   The post status.
  5177 	 * @param string      $post_status   The post status.
  4960 	 * @param string      $post_type     Post type.
  5178 	 * @param string      $post_type     Post type.
  4961 	 * @param int         $post_parent   Post parent ID.
  5179 	 * @param int         $post_parent   Post parent ID.
  4962 	 */
  5180 	 */
  4963 	$override_slug = apply_filters( 'pre_wp_unique_post_slug', null, $slug, $post_ID, $post_status, $post_type, $post_parent );
  5181 	$override_slug = apply_filters( 'pre_wp_unique_post_slug', null, $slug, $post_id, $post_status, $post_type, $post_parent );
  4964 	if ( null !== $override_slug ) {
  5182 	if ( null !== $override_slug ) {
  4965 		return $override_slug;
  5183 		return $override_slug;
  4966 	}
  5184 	}
  4967 
  5185 
  4968 	global $wpdb, $wp_rewrite;
  5186 	global $wpdb, $wp_rewrite;
  4975 	}
  5193 	}
  4976 
  5194 
  4977 	if ( 'attachment' === $post_type ) {
  5195 	if ( 'attachment' === $post_type ) {
  4978 		// Attachment slugs must be unique across all types.
  5196 		// Attachment slugs must be unique across all types.
  4979 		$check_sql       = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND ID != %d LIMIT 1";
  5197 		$check_sql       = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND ID != %d LIMIT 1";
  4980 		$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_ID ) );
  5198 		$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_id ) );
  4981 
  5199 
  4982 		/**
  5200 		/**
  4983 		 * Filters whether the post slug would make a bad attachment slug.
  5201 		 * Filters whether the post slug would make a bad attachment slug.
  4984 		 *
  5202 		 *
  4985 		 * @since 3.1.0
  5203 		 * @since 3.1.0
  4994 			|| $is_bad_attachment_slug
  5212 			|| $is_bad_attachment_slug
  4995 		) {
  5213 		) {
  4996 			$suffix = 2;
  5214 			$suffix = 2;
  4997 			do {
  5215 			do {
  4998 				$alt_post_name   = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
  5216 				$alt_post_name   = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
  4999 				$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_ID ) );
  5217 				$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_id ) );
  5000 				$suffix++;
  5218 				++$suffix;
  5001 			} while ( $post_name_check );
  5219 			} while ( $post_name_check );
  5002 			$slug = $alt_post_name;
  5220 			$slug = $alt_post_name;
  5003 		}
  5221 		}
  5004 	} elseif ( is_post_type_hierarchical( $post_type ) ) {
  5222 	} elseif ( is_post_type_hierarchical( $post_type ) ) {
  5005 		if ( 'nav_menu_item' === $post_type ) {
  5223 		if ( 'nav_menu_item' === $post_type ) {
  5009 		/*
  5227 		/*
  5010 		 * Page slugs must be unique within their own trees. Pages are in a separate
  5228 		 * Page slugs must be unique within their own trees. Pages are in a separate
  5011 		 * namespace than posts so page slugs are allowed to overlap post slugs.
  5229 		 * namespace than posts so page slugs are allowed to overlap post slugs.
  5012 		 */
  5230 		 */
  5013 		$check_sql       = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type IN ( %s, 'attachment' ) AND ID != %d AND post_parent = %d LIMIT 1";
  5231 		$check_sql       = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type IN ( %s, 'attachment' ) AND ID != %d AND post_parent = %d LIMIT 1";
  5014 		$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_ID, $post_parent ) );
  5232 		$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_id, $post_parent ) );
  5015 
  5233 
  5016 		/**
  5234 		/**
  5017 		 * Filters whether the post slug would make a bad hierarchical post slug.
  5235 		 * Filters whether the post slug would make a bad hierarchical post slug.
  5018 		 *
  5236 		 *
  5019 		 * @since 3.1.0
  5237 		 * @since 3.1.0
  5031 			|| $is_bad_hierarchical_slug
  5249 			|| $is_bad_hierarchical_slug
  5032 		) {
  5250 		) {
  5033 			$suffix = 2;
  5251 			$suffix = 2;
  5034 			do {
  5252 			do {
  5035 				$alt_post_name   = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
  5253 				$alt_post_name   = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
  5036 				$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_ID, $post_parent ) );
  5254 				$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_id, $post_parent ) );
  5037 				$suffix++;
  5255 				++$suffix;
  5038 			} while ( $post_name_check );
  5256 			} while ( $post_name_check );
  5039 			$slug = $alt_post_name;
  5257 			$slug = $alt_post_name;
  5040 		}
  5258 		}
  5041 	} else {
  5259 	} else {
  5042 		// Post slugs must be unique across all posts.
  5260 		// Post slugs must be unique across all posts.
  5043 		$check_sql       = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type = %s AND ID != %d LIMIT 1";
  5261 		$check_sql       = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type = %s AND ID != %d LIMIT 1";
  5044 		$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_ID ) );
  5262 		$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_id ) );
  5045 
  5263 
  5046 		$post = get_post( $post_ID );
  5264 		$post = get_post( $post_id );
  5047 
  5265 
  5048 		// Prevent new post slugs that could result in URLs that conflict with date archives.
  5266 		// Prevent new post slugs that could result in URLs that conflict with date archives.
  5049 		$conflicts_with_date_archive = false;
  5267 		$conflicts_with_date_archive = false;
  5050 		if ( 'post' === $post_type && ( ! $post || $post->post_name !== $slug ) && preg_match( '/^[0-9]+$/', $slug ) ) {
  5268 		if ( 'post' === $post_type && ( ! $post || $post->post_name !== $slug ) && preg_match( '/^[0-9]+$/', $slug ) ) {
  5051 			$slug_num = (int) $slug;
  5269 			$slug_num = (int) $slug;
  5087 			|| $is_bad_flat_slug
  5305 			|| $is_bad_flat_slug
  5088 		) {
  5306 		) {
  5089 			$suffix = 2;
  5307 			$suffix = 2;
  5090 			do {
  5308 			do {
  5091 				$alt_post_name   = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
  5309 				$alt_post_name   = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
  5092 				$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_ID ) );
  5310 				$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_id ) );
  5093 				$suffix++;
  5311 				++$suffix;
  5094 			} while ( $post_name_check );
  5312 			} while ( $post_name_check );
  5095 			$slug = $alt_post_name;
  5313 			$slug = $alt_post_name;
  5096 		}
  5314 		}
  5097 	}
  5315 	}
  5098 
  5316 
  5100 	 * Filters the unique post slug.
  5318 	 * Filters the unique post slug.
  5101 	 *
  5319 	 *
  5102 	 * @since 3.3.0
  5320 	 * @since 3.3.0
  5103 	 *
  5321 	 *
  5104 	 * @param string $slug          The post slug.
  5322 	 * @param string $slug          The post slug.
  5105 	 * @param int    $post_ID       Post ID.
  5323 	 * @param int    $post_id       Post ID.
  5106 	 * @param string $post_status   The post status.
  5324 	 * @param string $post_status   The post status.
  5107 	 * @param string $post_type     Post type.
  5325 	 * @param string $post_type     Post type.
  5108 	 * @param int    $post_parent   Post parent ID
  5326 	 * @param int    $post_parent   Post parent ID
  5109 	 * @param string $original_slug The original post slug.
  5327 	 * @param string $original_slug The original post slug.
  5110 	 */
  5328 	 */
  5111 	return apply_filters( 'wp_unique_post_slug', $slug, $post_ID, $post_status, $post_type, $post_parent, $original_slug );
  5329 	return apply_filters( 'wp_unique_post_slug', $slug, $post_id, $post_status, $post_type, $post_parent, $original_slug );
  5112 }
  5330 }
  5113 
  5331 
  5114 /**
  5332 /**
  5115  * Truncate a post slug.
  5333  * Truncates a post slug.
  5116  *
  5334  *
  5117  * @since 3.6.0
  5335  * @since 3.6.0
  5118  * @access private
  5336  * @access private
  5119  *
  5337  *
  5120  * @see utf8_uri_encode()
  5338  * @see utf8_uri_encode()
  5135 
  5353 
  5136 	return rtrim( $slug, '-' );
  5354 	return rtrim( $slug, '-' );
  5137 }
  5355 }
  5138 
  5356 
  5139 /**
  5357 /**
  5140  * Add tags to a post.
  5358  * Adds tags to a post.
  5141  *
  5359  *
  5142  * @see wp_set_post_tags()
  5360  * @see wp_set_post_tags()
  5143  *
  5361  *
  5144  * @since 2.3.0
  5362  * @since 2.3.0
  5145  *
  5363  *
  5151 function wp_add_post_tags( $post_id = 0, $tags = '' ) {
  5369 function wp_add_post_tags( $post_id = 0, $tags = '' ) {
  5152 	return wp_set_post_tags( $post_id, $tags, true );
  5370 	return wp_set_post_tags( $post_id, $tags, true );
  5153 }
  5371 }
  5154 
  5372 
  5155 /**
  5373 /**
  5156  * Set the tags for a post.
  5374  * Sets the tags for a post.
  5157  *
  5375  *
  5158  * @since 2.3.0
  5376  * @since 2.3.0
  5159  *
  5377  *
  5160  * @see wp_set_object_terms()
  5378  * @see wp_set_object_terms()
  5161  *
  5379  *
  5169 function wp_set_post_tags( $post_id = 0, $tags = '', $append = false ) {
  5387 function wp_set_post_tags( $post_id = 0, $tags = '', $append = false ) {
  5170 	return wp_set_post_terms( $post_id, $tags, 'post_tag', $append );
  5388 	return wp_set_post_terms( $post_id, $tags, 'post_tag', $append );
  5171 }
  5389 }
  5172 
  5390 
  5173 /**
  5391 /**
  5174  * Set the terms for a post.
  5392  * Sets the terms for a post.
  5175  *
  5393  *
  5176  * @since 2.8.0
  5394  * @since 2.8.0
  5177  *
  5395  *
  5178  * @see wp_set_object_terms()
  5396  * @see wp_set_object_terms()
  5179  *
  5397  *
  5180  * @param int          $post_id  Optional. The Post ID. Does not default to the ID of the global $post.
  5398  * @param int          $post_id  Optional. The Post ID. Does not default to the ID of the global $post.
  5181  * @param string|array $tags     Optional. An array of terms to set for the post, or a string of terms
  5399  * @param string|array $terms    Optional. An array of terms to set for the post, or a string of terms
  5182  *                               separated by commas. Hierarchical taxonomies must always pass IDs rather
  5400  *                               separated by commas. Hierarchical taxonomies must always pass IDs rather
  5183  *                               than names so that children with the same names but different parents
  5401  *                               than names so that children with the same names but different parents
  5184  *                               aren't confused. Default empty.
  5402  *                               aren't confused. Default empty.
  5185  * @param string       $taxonomy Optional. Taxonomy name. Default 'post_tag'.
  5403  * @param string       $taxonomy Optional. Taxonomy name. Default 'post_tag'.
  5186  * @param bool         $append   Optional. If true, don't delete existing terms, just add on. If false,
  5404  * @param bool         $append   Optional. If true, don't delete existing terms, just add on. If false,
  5187  *                               replace the terms with the new terms. Default false.
  5405  *                               replace the terms with the new terms. Default false.
  5188  * @return array|false|WP_Error Array of term taxonomy IDs of affected terms. WP_Error or false on failure.
  5406  * @return array|false|WP_Error Array of term taxonomy IDs of affected terms. WP_Error or false on failure.
  5189  */
  5407  */
  5190 function wp_set_post_terms( $post_id = 0, $tags = '', $taxonomy = 'post_tag', $append = false ) {
  5408 function wp_set_post_terms( $post_id = 0, $terms = '', $taxonomy = 'post_tag', $append = false ) {
  5191 	$post_id = (int) $post_id;
  5409 	$post_id = (int) $post_id;
  5192 
  5410 
  5193 	if ( ! $post_id ) {
  5411 	if ( ! $post_id ) {
  5194 		return false;
  5412 		return false;
  5195 	}
  5413 	}
  5196 
  5414 
  5197 	if ( empty( $tags ) ) {
  5415 	if ( empty( $terms ) ) {
  5198 		$tags = array();
  5416 		$terms = array();
  5199 	}
  5417 	}
  5200 
  5418 
  5201 	if ( ! is_array( $tags ) ) {
  5419 	if ( ! is_array( $terms ) ) {
  5202 		$comma = _x( ',', 'tag delimiter' );
  5420 		$comma = _x( ',', 'tag delimiter' );
  5203 		if ( ',' !== $comma ) {
  5421 		if ( ',' !== $comma ) {
  5204 			$tags = str_replace( $comma, ',', $tags );
  5422 			$terms = str_replace( $comma, ',', $terms );
  5205 		}
  5423 		}
  5206 		$tags = explode( ',', trim( $tags, " \n\t\r\0\x0B," ) );
  5424 		$terms = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
  5207 	}
  5425 	}
  5208 
  5426 
  5209 	/*
  5427 	/*
  5210 	 * Hierarchical taxonomies must always pass IDs rather than names so that
  5428 	 * Hierarchical taxonomies must always pass IDs rather than names so that
  5211 	 * children with the same names but different parents aren't confused.
  5429 	 * children with the same names but different parents aren't confused.
  5212 	 */
  5430 	 */
  5213 	if ( is_taxonomy_hierarchical( $taxonomy ) ) {
  5431 	if ( is_taxonomy_hierarchical( $taxonomy ) ) {
  5214 		$tags = array_unique( array_map( 'intval', $tags ) );
  5432 		$terms = array_unique( array_map( 'intval', $terms ) );
  5215 	}
  5433 	}
  5216 
  5434 
  5217 	return wp_set_object_terms( $post_id, $tags, $taxonomy, $append );
  5435 	return wp_set_object_terms( $post_id, $terms, $taxonomy, $append );
  5218 }
  5436 }
  5219 
  5437 
  5220 /**
  5438 /**
  5221  * Set categories for a post.
  5439  * Sets categories for a post.
  5222  *
  5440  *
  5223  * If no categories are provided, the default category is used.
  5441  * If no categories are provided, the default category is used.
  5224  *
  5442  *
  5225  * @since 2.1.0
  5443  * @since 2.1.0
  5226  *
  5444  *
  5227  * @param int       $post_ID         Optional. The Post ID. Does not default to the ID
  5445  * @param int       $post_id         Optional. The Post ID. Does not default to the ID
  5228  *                                   of the global $post. Default 0.
  5446  *                                   of the global $post. Default 0.
  5229  * @param int[]|int $post_categories Optional. List of category IDs, or the ID of a single category.
  5447  * @param int[]|int $post_categories Optional. List of category IDs, or the ID of a single category.
  5230  *                                   Default empty array.
  5448  *                                   Default empty array.
  5231  * @param bool      $append          If true, don't delete existing categories, just add on.
  5449  * @param bool      $append          If true, don't delete existing categories, just add on.
  5232  *                                   If false, replace the categories with the new categories.
  5450  *                                   If false, replace the categories with the new categories.
  5233  * @return array|false|WP_Error Array of term taxonomy IDs of affected categories. WP_Error or false on failure.
  5451  * @return array|false|WP_Error Array of term taxonomy IDs of affected categories. WP_Error or false on failure.
  5234  */
  5452  */
  5235 function wp_set_post_categories( $post_ID = 0, $post_categories = array(), $append = false ) {
  5453 function wp_set_post_categories( $post_id = 0, $post_categories = array(), $append = false ) {
  5236 	$post_ID     = (int) $post_ID;
  5454 	$post_id     = (int) $post_id;
  5237 	$post_type   = get_post_type( $post_ID );
  5455 	$post_type   = get_post_type( $post_id );
  5238 	$post_status = get_post_status( $post_ID );
  5456 	$post_status = get_post_status( $post_id );
  5239 
  5457 
  5240 	// If $post_categories isn't already an array, make it one.
  5458 	// If $post_categories isn't already an array, make it one.
  5241 	$post_categories = (array) $post_categories;
  5459 	$post_categories = (array) $post_categories;
  5242 
  5460 
  5243 	if ( empty( $post_categories ) ) {
  5461 	if ( empty( $post_categories ) ) {
  5264 		}
  5482 		}
  5265 	} elseif ( 1 === count( $post_categories ) && '' === reset( $post_categories ) ) {
  5483 	} elseif ( 1 === count( $post_categories ) && '' === reset( $post_categories ) ) {
  5266 		return true;
  5484 		return true;
  5267 	}
  5485 	}
  5268 
  5486 
  5269 	return wp_set_post_terms( $post_ID, $post_categories, 'category', $append );
  5487 	return wp_set_post_terms( $post_id, $post_categories, 'category', $append );
  5270 }
  5488 }
  5271 
  5489 
  5272 /**
  5490 /**
  5273  * Fires actions related to the transitioning of a post's status.
  5491  * Fires actions related to the transitioning of a post's status.
  5274  *
  5492  *
  5371  * @param null|WP_Post $post_before Null for new posts, the WP_Post object prior
  5589  * @param null|WP_Post $post_before Null for new posts, the WP_Post object prior
  5372  *                                  to the update for updated posts.
  5590  *                                  to the update for updated posts.
  5373  */
  5591  */
  5374 function wp_after_insert_post( $post, $update, $post_before ) {
  5592 function wp_after_insert_post( $post, $update, $post_before ) {
  5375 	$post = get_post( $post );
  5593 	$post = get_post( $post );
       
  5594 
  5376 	if ( ! $post ) {
  5595 	if ( ! $post ) {
  5377 		return;
  5596 		return;
  5378 	}
  5597 	}
  5379 
  5598 
  5380 	$post_id = $post->ID;
  5599 	$post_id = $post->ID;
  5396 //
  5615 //
  5397 // Comment, trackback, and pingback functions.
  5616 // Comment, trackback, and pingback functions.
  5398 //
  5617 //
  5399 
  5618 
  5400 /**
  5619 /**
  5401  * Add a URL to those already pinged.
  5620  * Adds a URL to those already pinged.
  5402  *
  5621  *
  5403  * @since 1.5.0
  5622  * @since 1.5.0
  5404  * @since 4.7.0 `$post_id` can be a WP_Post object.
  5623  * @since 4.7.0 `$post` can be a WP_Post object.
  5405  * @since 4.7.0 `$uri` can be an array of URIs.
  5624  * @since 4.7.0 `$uri` can be an array of URIs.
  5406  *
  5625  *
  5407  * @global wpdb $wpdb WordPress database abstraction object.
  5626  * @global wpdb $wpdb WordPress database abstraction object.
  5408  *
  5627  *
  5409  * @param int|WP_Post  $post_id Post object or ID.
  5628  * @param int|WP_Post  $post Post ID or post object.
  5410  * @param string|array $uri     Ping URI or array of URIs.
  5629  * @param string|array $uri  Ping URI or array of URIs.
  5411  * @return int|false How many rows were updated.
  5630  * @return int|false How many rows were updated.
  5412  */
  5631  */
  5413 function add_ping( $post_id, $uri ) {
  5632 function add_ping( $post, $uri ) {
  5414 	global $wpdb;
  5633 	global $wpdb;
  5415 
  5634 
  5416 	$post = get_post( $post_id );
  5635 	$post = get_post( $post );
  5417 
  5636 
  5418 	if ( ! $post ) {
  5637 	if ( ! $post ) {
  5419 		return false;
  5638 		return false;
  5420 	}
  5639 	}
  5421 
  5640 
  5442 	clean_post_cache( $post->ID );
  5661 	clean_post_cache( $post->ID );
  5443 	return $return;
  5662 	return $return;
  5444 }
  5663 }
  5445 
  5664 
  5446 /**
  5665 /**
  5447  * Retrieve enclosures already enclosed for a post.
  5666  * Retrieves enclosures already enclosed for a post.
  5448  *
  5667  *
  5449  * @since 1.5.0
  5668  * @since 1.5.0
  5450  *
  5669  *
  5451  * @param int $post_id Post ID.
  5670  * @param int $post_id Post ID.
  5452  * @return string[] Array of enclosures for the given post.
  5671  * @return string[] Array of enclosures for the given post.
  5478 	 */
  5697 	 */
  5479 	return apply_filters( 'get_enclosed', $pung, $post_id );
  5698 	return apply_filters( 'get_enclosed', $pung, $post_id );
  5480 }
  5699 }
  5481 
  5700 
  5482 /**
  5701 /**
  5483  * Retrieve URLs already pinged for a post.
  5702  * Retrieves URLs already pinged for a post.
  5484  *
  5703  *
  5485  * @since 1.5.0
  5704  * @since 1.5.0
  5486  *
  5705  *
  5487  * @since 4.7.0 `$post_id` can be a WP_Post object.
  5706  * @since 4.7.0 `$post` can be a WP_Post object.
  5488  *
  5707  *
  5489  * @param int|WP_Post $post_id Post ID or object.
  5708  * @param int|WP_Post $post Post ID or object.
  5490  * @return string[]|false Array of URLs already pinged for the given post, false if the post is not found.
  5709  * @return string[]|false Array of URLs already pinged for the given post, false if the post is not found.
  5491  */
  5710  */
  5492 function get_pung( $post_id ) {
  5711 function get_pung( $post ) {
  5493 	$post = get_post( $post_id );
  5712 	$post = get_post( $post );
  5494 
  5713 
  5495 	if ( ! $post ) {
  5714 	if ( ! $post ) {
  5496 		return false;
  5715 		return false;
  5497 	}
  5716 	}
  5498 
  5717 
  5508 	 */
  5727 	 */
  5509 	return apply_filters( 'get_pung', $pung );
  5728 	return apply_filters( 'get_pung', $pung );
  5510 }
  5729 }
  5511 
  5730 
  5512 /**
  5731 /**
  5513  * Retrieve URLs that need to be pinged.
  5732  * Retrieves URLs that need to be pinged.
  5514  *
  5733  *
  5515  * @since 1.5.0
  5734  * @since 1.5.0
  5516  * @since 4.7.0 `$post_id` can be a WP_Post object.
  5735  * @since 4.7.0 `$post` can be a WP_Post object.
  5517  *
  5736  *
  5518  * @param int|WP_Post $post_id Post Object or ID
  5737  * @param int|WP_Post $post Post ID or post object.
  5519  * @return string[]|false List of URLs yet to ping.
  5738  * @return string[]|false List of URLs yet to ping.
  5520  */
  5739  */
  5521 function get_to_ping( $post_id ) {
  5740 function get_to_ping( $post ) {
  5522 	$post = get_post( $post_id );
  5741 	$post = get_post( $post );
  5523 
  5742 
  5524 	if ( ! $post ) {
  5743 	if ( ! $post ) {
  5525 		return false;
  5744 		return false;
  5526 	}
  5745 	}
  5527 
  5746 
  5537 	 */
  5756 	 */
  5538 	return apply_filters( 'get_to_ping', $to_ping );
  5757 	return apply_filters( 'get_to_ping', $to_ping );
  5539 }
  5758 }
  5540 
  5759 
  5541 /**
  5760 /**
  5542  * Do trackbacks for a list of URLs.
  5761  * Does trackbacks for a list of URLs.
  5543  *
  5762  *
  5544  * @since 1.0.0
  5763  * @since 1.0.0
  5545  *
  5764  *
  5546  * @param string $tb_list Comma separated list of URLs.
  5765  * @param string $tb_list Comma separated list of URLs.
  5547  * @param int    $post_id Post ID.
  5766  * @param int    $post_id Post ID.
  5569 //
  5788 //
  5570 // Page functions.
  5789 // Page functions.
  5571 //
  5790 //
  5572 
  5791 
  5573 /**
  5792 /**
  5574  * Get a list of page IDs.
  5793  * Gets a list of page IDs.
  5575  *
  5794  *
  5576  * @since 2.0.0
  5795  * @since 2.0.0
  5577  *
  5796  *
  5578  * @global wpdb $wpdb WordPress database abstraction object.
  5797  * @global wpdb $wpdb WordPress database abstraction object.
  5579  *
  5798  *
  5630 
  5849 
  5631 	$last_changed = wp_cache_get_last_changed( 'posts' );
  5850 	$last_changed = wp_cache_get_last_changed( 'posts' );
  5632 
  5851 
  5633 	$hash      = md5( $page_path . serialize( $post_type ) );
  5852 	$hash      = md5( $page_path . serialize( $post_type ) );
  5634 	$cache_key = "get_page_by_path:$hash:$last_changed";
  5853 	$cache_key = "get_page_by_path:$hash:$last_changed";
  5635 	$cached    = wp_cache_get( $cache_key, 'posts' );
  5854 	$cached    = wp_cache_get( $cache_key, 'post-queries' );
  5636 	if ( false !== $cached ) {
  5855 	if ( false !== $cached ) {
  5637 		// Special case: '0' is a bad `$page_path`.
  5856 		// Special case: '0' is a bad `$page_path`.
  5638 		if ( '0' === $cached || 0 === $cached ) {
  5857 		if ( '0' === $cached || 0 === $cached ) {
  5639 			return;
  5858 			return;
  5640 		} else {
  5859 		} else {
  5679 			/*
  5898 			/*
  5680 			 * Loop through the given path parts from right to left,
  5899 			 * Loop through the given path parts from right to left,
  5681 			 * ensuring each matches the post ancestry.
  5900 			 * ensuring each matches the post ancestry.
  5682 			 */
  5901 			 */
  5683 			while ( 0 != $p->post_parent && isset( $pages[ $p->post_parent ] ) ) {
  5902 			while ( 0 != $p->post_parent && isset( $pages[ $p->post_parent ] ) ) {
  5684 				$count++;
  5903 				++$count;
  5685 				$parent = $pages[ $p->post_parent ];
  5904 				$parent = $pages[ $p->post_parent ];
  5686 				if ( ! isset( $revparts[ $count ] ) || $parent->post_name != $revparts[ $count ] ) {
  5905 				if ( ! isset( $revparts[ $count ] ) || $parent->post_name != $revparts[ $count ] ) {
  5687 					break;
  5906 					break;
  5688 				}
  5907 				}
  5689 				$p = $parent;
  5908 				$p = $parent;
  5690 			}
  5909 			}
  5691 
  5910 
  5692 			if ( 0 == $p->post_parent && count( $revparts ) == $count + 1 && $p->post_name == $revparts[ $count ] ) {
  5911 			if ( 0 == $p->post_parent && count( $revparts ) === $count + 1 && $p->post_name == $revparts[ $count ] ) {
  5693 				$foundid = $page->ID;
  5912 				$foundid = $page->ID;
  5694 				if ( $page->post_type == $post_type ) {
  5913 				if ( $page->post_type == $post_type ) {
  5695 					break;
  5914 					break;
  5696 				}
  5915 				}
  5697 			}
  5916 			}
  5698 		}
  5917 		}
  5699 	}
  5918 	}
  5700 
  5919 
  5701 	// We cache misses as well as hits.
  5920 	// We cache misses as well as hits.
  5702 	wp_cache_set( $cache_key, $foundid, 'posts' );
  5921 	wp_cache_set( $cache_key, $foundid, 'post-queries' );
  5703 
  5922 
  5704 	if ( $foundid ) {
  5923 	if ( $foundid ) {
  5705 		return get_post( $foundid, $output );
  5924 		return get_post( $foundid, $output );
  5706 	}
  5925 	}
  5707 
  5926 
  5708 	return null;
  5927 	return null;
  5709 }
  5928 }
  5710 
  5929 
  5711 /**
  5930 /**
  5712  * Retrieve a page given its title.
  5931  * Identifies descendants of a given page ID in a list of page objects.
  5713  *
       
  5714  * If more than one post uses the same title, the post with the smallest ID will be returned.
       
  5715  * Be careful: in case of more than one post having the same title, it will check the oldest
       
  5716  * publication date, not the smallest ID.
       
  5717  *
       
  5718  * Because this function uses the MySQL '=' comparison, $page_title will usually be matched
       
  5719  * as case-insensitive with default collation.
       
  5720  *
       
  5721  * @since 2.1.0
       
  5722  * @since 3.0.0 The `$post_type` parameter was added.
       
  5723  *
       
  5724  * @global wpdb $wpdb WordPress database abstraction object.
       
  5725  *
       
  5726  * @param string       $page_title Page title.
       
  5727  * @param string       $output     Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which
       
  5728  *                                 correspond to a WP_Post object, an associative array, or a numeric array,
       
  5729  *                                 respectively. Default OBJECT.
       
  5730  * @param string|array $post_type  Optional. Post type or array of post types. Default 'page'.
       
  5731  * @return WP_Post|array|null WP_Post (or array) on success, or null on failure.
       
  5732  */
       
  5733 function get_page_by_title( $page_title, $output = OBJECT, $post_type = 'page' ) {
       
  5734 	global $wpdb;
       
  5735 
       
  5736 	if ( is_array( $post_type ) ) {
       
  5737 		$post_type           = esc_sql( $post_type );
       
  5738 		$post_type_in_string = "'" . implode( "','", $post_type ) . "'";
       
  5739 		$sql                 = $wpdb->prepare(
       
  5740 			"
       
  5741 			SELECT ID
       
  5742 			FROM $wpdb->posts
       
  5743 			WHERE post_title = %s
       
  5744 			AND post_type IN ($post_type_in_string)
       
  5745 		",
       
  5746 			$page_title
       
  5747 		);
       
  5748 	} else {
       
  5749 		$sql = $wpdb->prepare(
       
  5750 			"
       
  5751 			SELECT ID
       
  5752 			FROM $wpdb->posts
       
  5753 			WHERE post_title = %s
       
  5754 			AND post_type = %s
       
  5755 		",
       
  5756 			$page_title,
       
  5757 			$post_type
       
  5758 		);
       
  5759 	}
       
  5760 
       
  5761 	$page = $wpdb->get_var( $sql );
       
  5762 
       
  5763 	if ( $page ) {
       
  5764 		return get_post( $page, $output );
       
  5765 	}
       
  5766 
       
  5767 	return null;
       
  5768 }
       
  5769 
       
  5770 /**
       
  5771  * Identify descendants of a given page ID in a list of page objects.
       
  5772  *
  5932  *
  5773  * Descendants are identified from the `$pages` array passed to the function. No database queries are performed.
  5933  * Descendants are identified from the `$pages` array passed to the function. No database queries are performed.
  5774  *
  5934  *
  5775  * @since 1.5.1
  5935  * @since 1.5.1
  5776  *
  5936  *
  5777  * @param int   $page_id Page ID.
  5937  * @param int       $page_id Page ID.
  5778  * @param array $pages   List of page objects from which descendants should be identified.
  5938  * @param WP_Post[] $pages   List of page objects from which descendants should be identified.
  5779  * @return array List of page children.
  5939  * @return WP_Post[] List of page children.
  5780  */
  5940  */
  5781 function get_page_children( $page_id, $pages ) {
  5941 function get_page_children( $page_id, $pages ) {
  5782 	// Build a hash of ID -> children.
  5942 	// Build a hash of ID -> children.
  5783 	$children = array();
  5943 	$children = array();
  5784 	foreach ( (array) $pages as $page ) {
  5944 	foreach ( (array) $pages as $page ) {
  5806 
  5966 
  5807 	return $page_list;
  5967 	return $page_list;
  5808 }
  5968 }
  5809 
  5969 
  5810 /**
  5970 /**
  5811  * Order the pages with children under parents in a flat list.
  5971  * Orders the pages with children under parents in a flat list.
  5812  *
  5972  *
  5813  * It uses auxiliary structure to hold parent-children relationships and
  5973  * It uses auxiliary structure to hold parent-children relationships and
  5814  * runs in O(N) complexity
  5974  * runs in O(N) complexity
  5815  *
  5975  *
  5816  * @since 2.0.0
  5976  * @since 2.0.0
  5835 
  5995 
  5836 	return $result;
  5996 	return $result;
  5837 }
  5997 }
  5838 
  5998 
  5839 /**
  5999 /**
  5840  * Traverse and return all the nested children post names of a root page.
  6000  * Traverses and return all the nested children post names of a root page.
  5841  *
  6001  *
  5842  * $children contains parent-children relations
  6002  * $children contains parent-children relations
  5843  *
  6003  *
  5844  * @since 2.9.0
  6004  * @since 2.9.0
  5845  * @access private
  6005  * @access private
  5858 		}
  6018 		}
  5859 	}
  6019 	}
  5860 }
  6020 }
  5861 
  6021 
  5862 /**
  6022 /**
  5863  * Build the URI path for a page.
  6023  * Builds the URI path for a page.
  5864  *
  6024  *
  5865  * Sub pages will be in the "directory" under the parent page post name.
  6025  * Sub pages will be in the "directory" under the parent page post name.
  5866  *
  6026  *
  5867  * @since 1.5.0
  6027  * @since 1.5.0
  5868  * @since 4.6.0 The `$page` parameter was made optional.
  6028  * @since 4.6.0 The `$page` parameter was made optional.
  5898 	 */
  6058 	 */
  5899 	return apply_filters( 'get_page_uri', $uri, $page );
  6059 	return apply_filters( 'get_page_uri', $uri, $page );
  5900 }
  6060 }
  5901 
  6061 
  5902 /**
  6062 /**
  5903  * Retrieve an array of pages (or hierarchical post type items).
  6063  * Retrieves an array of pages (or hierarchical post type items).
  5904  *
       
  5905  * @global wpdb $wpdb WordPress database abstraction object.
       
  5906  *
  6064  *
  5907  * @since 1.5.0
  6065  * @since 1.5.0
       
  6066  * @since 6.3.0 Use WP_Query internally.
  5908  *
  6067  *
  5909  * @param array|string $args {
  6068  * @param array|string $args {
  5910  *     Optional. Array or string of arguments to retrieve pages.
  6069  *     Optional. Array or string of arguments to retrieve pages.
  5911  *
  6070  *
  5912  *     @type int          $child_of     Page ID to return child and grandchild pages of. Note: The value
  6071  *     @type int          $child_of     Page ID to return child and grandchild pages of. Note: The value
  5937  *                                      Default 0.
  6096  *                                      Default 0.
  5938  *     @type string       $post_type    The post type to query. Default 'page'.
  6097  *     @type string       $post_type    The post type to query. Default 'page'.
  5939  *     @type string|array $post_status  A comma-separated list or array of post statuses to include.
  6098  *     @type string|array $post_status  A comma-separated list or array of post statuses to include.
  5940  *                                      Default 'publish'.
  6099  *                                      Default 'publish'.
  5941  * }
  6100  * }
  5942  * @return WP_Post[]|int[]|false Array of pages (or hierarchical post type items). Boolean false if the
  6101  * @return WP_Post[]|false Array of pages (or hierarchical post type items). Boolean false if the
  5943  *                               specified post type is not hierarchical or the specified status is not
  6102  *                         specified post type is not hierarchical or the specified status is not
  5944  *                               supported by the post type.
  6103  *                         supported by the post type.
  5945  */
  6104  */
  5946 function get_pages( $args = array() ) {
  6105 function get_pages( $args = array() ) {
  5947 	global $wpdb;
       
  5948 
       
  5949 	$defaults = array(
  6106 	$defaults = array(
  5950 		'child_of'     => 0,
  6107 		'child_of'     => 0,
  5951 		'sort_order'   => 'ASC',
  6108 		'sort_order'   => 'ASC',
  5952 		'sort_column'  => 'post_title',
  6109 		'sort_column'  => 'post_title',
  5953 		'hierarchical' => 1,
  6110 		'hierarchical' => 1,
  5992 	}
  6149 	}
  5993 	if ( array_diff( $post_status, get_post_stati() ) ) {
  6150 	if ( array_diff( $post_status, get_post_stati() ) ) {
  5994 		return false;
  6151 		return false;
  5995 	}
  6152 	}
  5996 
  6153 
  5997 	// $args can be whatever, only use the args defined in defaults to compute the key.
  6154 	$query_args = array(
  5998 	$key          = md5( serialize( wp_array_slice_assoc( $parsed_args, array_keys( $defaults ) ) ) );
  6155 		'orderby'                => 'post_title',
  5999 	$last_changed = wp_cache_get_last_changed( 'posts' );
  6156 		'order'                  => 'ASC',
  6000 
  6157 		'post__not_in'           => wp_parse_id_list( $exclude ),
  6001 	$cache_key = "get_pages:$key:$last_changed";
  6158 		'meta_key'               => $meta_key,
  6002 	$cache     = wp_cache_get( $cache_key, 'posts' );
  6159 		'meta_value'             => $meta_value,
  6003 	if ( false !== $cache ) {
  6160 		'posts_per_page'         => -1,
  6004 		_prime_post_caches( $cache, false, false );
  6161 		'offset'                 => $offset,
  6005 
  6162 		'post_type'              => $parsed_args['post_type'],
  6006 		// Convert to WP_Post instances.
  6163 		'post_status'            => $post_status,
  6007 		$pages = array_map( 'get_post', $cache );
  6164 		'update_post_term_cache' => false,
  6008 		/** This filter is documented in wp-includes/post.php */
  6165 		'update_post_meta_cache' => false,
  6009 		$pages = apply_filters( 'get_pages', $pages, $parsed_args );
  6166 		'ignore_sticky_posts'    => true,
  6010 
  6167 		'no_found_rows'          => true,
  6011 		return $pages;
  6168 	);
  6012 	}
  6169 
  6013 
       
  6014 	$inclusions = '';
       
  6015 	if ( ! empty( $parsed_args['include'] ) ) {
  6170 	if ( ! empty( $parsed_args['include'] ) ) {
  6016 		$child_of     = 0; // Ignore child_of, parent, exclude, meta_key, and meta_value params if using include.
  6171 		$child_of = 0; // Ignore child_of, parent, exclude, meta_key, and meta_value params if using include.
  6017 		$parent       = -1;
  6172 		$parent   = -1;
  6018 		$exclude      = '';
  6173 		unset( $query_args['post__not_in'], $query_args['meta_key'], $query_args['meta_value'] );
  6019 		$meta_key     = '';
  6174 		$hierarchical           = false;
  6020 		$meta_value   = '';
  6175 		$query_args['post__in'] = wp_parse_id_list( $parsed_args['include'] );
  6021 		$hierarchical = false;
  6176 	}
  6022 		$incpages     = wp_parse_id_list( $parsed_args['include'] );
  6177 
  6023 		if ( ! empty( $incpages ) ) {
       
  6024 			$inclusions = ' AND ID IN (' . implode( ',', $incpages ) . ')';
       
  6025 		}
       
  6026 	}
       
  6027 
       
  6028 	$exclusions = '';
       
  6029 	if ( ! empty( $exclude ) ) {
       
  6030 		$expages = wp_parse_id_list( $exclude );
       
  6031 		if ( ! empty( $expages ) ) {
       
  6032 			$exclusions = ' AND ID NOT IN (' . implode( ',', $expages ) . ')';
       
  6033 		}
       
  6034 	}
       
  6035 
       
  6036 	$author_query = '';
       
  6037 	if ( ! empty( $parsed_args['authors'] ) ) {
  6178 	if ( ! empty( $parsed_args['authors'] ) ) {
  6038 		$post_authors = wp_parse_list( $parsed_args['authors'] );
  6179 		$post_authors = wp_parse_list( $parsed_args['authors'] );
  6039 
  6180 
  6040 		if ( ! empty( $post_authors ) ) {
  6181 		if ( ! empty( $post_authors ) ) {
       
  6182 			$query_args['author__in'] = array();
  6041 			foreach ( $post_authors as $post_author ) {
  6183 			foreach ( $post_authors as $post_author ) {
  6042 				// Do we have an author id or an author login?
  6184 				// Do we have an author id or an author login?
  6043 				if ( 0 == (int) $post_author ) {
  6185 				if ( 0 == (int) $post_author ) {
  6044 					$post_author = get_user_by( 'login', $post_author );
  6186 					$post_author = get_user_by( 'login', $post_author );
  6045 					if ( empty( $post_author ) ) {
  6187 					if ( empty( $post_author ) ) {
  6048 					if ( empty( $post_author->ID ) ) {
  6190 					if ( empty( $post_author->ID ) ) {
  6049 						continue;
  6191 						continue;
  6050 					}
  6192 					}
  6051 					$post_author = $post_author->ID;
  6193 					$post_author = $post_author->ID;
  6052 				}
  6194 				}
  6053 
  6195 				$query_args['author__in'][] = (int) $post_author;
  6054 				if ( '' === $author_query ) {
       
  6055 					$author_query = $wpdb->prepare( ' post_author = %d ', $post_author );
       
  6056 				} else {
       
  6057 					$author_query .= $wpdb->prepare( ' OR post_author = %d ', $post_author );
       
  6058 				}
       
  6059 			}
  6196 			}
  6060 			if ( '' !== $author_query ) {
  6197 		}
  6061 				$author_query = " AND ($author_query)";
  6198 	}
       
  6199 
       
  6200 	if ( is_array( $parent ) ) {
       
  6201 		$post_parent__in = array_map( 'absint', (array) $parent );
       
  6202 		if ( ! empty( $post_parent__in ) ) {
       
  6203 			$query_args['post_parent__in'] = $post_parent__in;
       
  6204 		}
       
  6205 	} elseif ( $parent >= 0 ) {
       
  6206 		$query_args['post_parent'] = $parent;
       
  6207 	}
       
  6208 
       
  6209 	/*
       
  6210 	 * Maintain backward compatibility for `sort_column` key.
       
  6211 	 * Additionally to `WP_Query`, it has been supporting the `post_modified_gmt` field, so this logic will translate
       
  6212 	 * it to `post_modified` which should result in the same order given the two dates in the fields match.
       
  6213 	 */
       
  6214 	$orderby = wp_parse_list( $parsed_args['sort_column'] );
       
  6215 	$orderby = array_map(
       
  6216 		static function ( $orderby_field ) {
       
  6217 			$orderby_field = trim( $orderby_field );
       
  6218 			if ( 'post_modified_gmt' === $orderby_field || 'modified_gmt' === $orderby_field ) {
       
  6219 				$orderby_field = str_replace( '_gmt', '', $orderby_field );
  6062 			}
  6220 			}
  6063 		}
  6221 			return $orderby_field;
  6064 	}
  6222 		},
  6065 
  6223 		$orderby
  6066 	$join  = '';
       
  6067 	$where = "$exclusions $inclusions ";
       
  6068 	if ( '' !== $meta_key || '' !== $meta_value ) {
       
  6069 		$join = " LEFT JOIN $wpdb->postmeta ON ( $wpdb->posts.ID = $wpdb->postmeta.post_id )";
       
  6070 
       
  6071 		// meta_key and meta_value might be slashed.
       
  6072 		$meta_key   = wp_unslash( $meta_key );
       
  6073 		$meta_value = wp_unslash( $meta_value );
       
  6074 		if ( '' !== $meta_key ) {
       
  6075 			$where .= $wpdb->prepare( " AND $wpdb->postmeta.meta_key = %s", $meta_key );
       
  6076 		}
       
  6077 		if ( '' !== $meta_value ) {
       
  6078 			$where .= $wpdb->prepare( " AND $wpdb->postmeta.meta_value = %s", $meta_value );
       
  6079 		}
       
  6080 	}
       
  6081 
       
  6082 	if ( is_array( $parent ) ) {
       
  6083 		$post_parent__in = implode( ',', array_map( 'absint', (array) $parent ) );
       
  6084 		if ( ! empty( $post_parent__in ) ) {
       
  6085 			$where .= " AND post_parent IN ($post_parent__in)";
       
  6086 		}
       
  6087 	} elseif ( $parent >= 0 ) {
       
  6088 		$where .= $wpdb->prepare( ' AND post_parent = %d ', $parent );
       
  6089 	}
       
  6090 
       
  6091 	if ( 1 === count( $post_status ) ) {
       
  6092 		$where_post_type = $wpdb->prepare( 'post_type = %s AND post_status = %s', $parsed_args['post_type'], reset( $post_status ) );
       
  6093 	} else {
       
  6094 		$post_status     = implode( "', '", $post_status );
       
  6095 		$where_post_type = $wpdb->prepare( "post_type = %s AND post_status IN ('$post_status')", $parsed_args['post_type'] );
       
  6096 	}
       
  6097 
       
  6098 	$orderby_array = array();
       
  6099 	$allowed_keys  = array(
       
  6100 		'author',
       
  6101 		'post_author',
       
  6102 		'date',
       
  6103 		'post_date',
       
  6104 		'title',
       
  6105 		'post_title',
       
  6106 		'name',
       
  6107 		'post_name',
       
  6108 		'modified',
       
  6109 		'post_modified',
       
  6110 		'modified_gmt',
       
  6111 		'post_modified_gmt',
       
  6112 		'menu_order',
       
  6113 		'parent',
       
  6114 		'post_parent',
       
  6115 		'ID',
       
  6116 		'rand',
       
  6117 		'comment_count',
       
  6118 	);
  6224 	);
  6119 
  6225 	if ( $orderby ) {
  6120 	foreach ( explode( ',', $parsed_args['sort_column'] ) as $orderby ) {
  6226 		$query_args['orderby'] = array_fill_keys( $orderby, $parsed_args['sort_order'] );
  6121 		$orderby = trim( $orderby );
  6227 	}
  6122 		if ( ! in_array( $orderby, $allowed_keys, true ) ) {
  6228 
  6123 			continue;
  6229 	$order = $parsed_args['sort_order'];
  6124 		}
  6230 	if ( $order ) {
  6125 
  6231 		$query_args['order'] = $order;
  6126 		switch ( $orderby ) {
  6232 	}
  6127 			case 'menu_order':
       
  6128 				break;
       
  6129 			case 'ID':
       
  6130 				$orderby = "$wpdb->posts.ID";
       
  6131 				break;
       
  6132 			case 'rand':
       
  6133 				$orderby = 'RAND()';
       
  6134 				break;
       
  6135 			case 'comment_count':
       
  6136 				$orderby = "$wpdb->posts.comment_count";
       
  6137 				break;
       
  6138 			default:
       
  6139 				if ( 0 === strpos( $orderby, 'post_' ) ) {
       
  6140 					$orderby = "$wpdb->posts." . $orderby;
       
  6141 				} else {
       
  6142 					$orderby = "$wpdb->posts.post_" . $orderby;
       
  6143 				}
       
  6144 		}
       
  6145 
       
  6146 		$orderby_array[] = $orderby;
       
  6147 
       
  6148 	}
       
  6149 	$sort_column = ! empty( $orderby_array ) ? implode( ',', $orderby_array ) : "$wpdb->posts.post_title";
       
  6150 
       
  6151 	$sort_order = strtoupper( $parsed_args['sort_order'] );
       
  6152 	if ( '' !== $sort_order && ! in_array( $sort_order, array( 'ASC', 'DESC' ), true ) ) {
       
  6153 		$sort_order = 'ASC';
       
  6154 	}
       
  6155 
       
  6156 	$query  = "SELECT * FROM $wpdb->posts $join WHERE ($where_post_type) $where ";
       
  6157 	$query .= $author_query;
       
  6158 	$query .= ' ORDER BY ' . $sort_column . ' ' . $sort_order;
       
  6159 
  6233 
  6160 	if ( ! empty( $number ) ) {
  6234 	if ( ! empty( $number ) ) {
  6161 		$query .= ' LIMIT ' . $offset . ',' . $number;
  6235 		$query_args['posts_per_page'] = $number;
  6162 	}
  6236 	}
  6163 
  6237 
  6164 	$pages = $wpdb->get_results( $query );
  6238 	/**
  6165 
  6239 	 * Filters query arguments passed to WP_Query in get_pages.
  6166 	if ( empty( $pages ) ) {
  6240 	 *
  6167 		wp_cache_set( $cache_key, array(), 'posts' );
  6241 	 * @since 6.3.0
  6168 
  6242 	 *
  6169 		/** This filter is documented in wp-includes/post.php */
  6243 	 * @param array $query_args  Array of arguments passed to WP_Query.
  6170 		$pages = apply_filters( 'get_pages', array(), $parsed_args );
  6244 	 * @param array $parsed_args Array of get_pages() arguments.
  6171 
  6245 	 */
  6172 		return $pages;
  6246 	$query_args = apply_filters( 'get_pages_query_args', $query_args, $parsed_args );
  6173 	}
  6247 
  6174 
  6248 	$pages = new WP_Query();
  6175 	// Sanitize before caching so it'll only get done once.
  6249 	$pages = $pages->query( $query_args );
  6176 	$num_pages = count( $pages );
       
  6177 	for ( $i = 0; $i < $num_pages; $i++ ) {
       
  6178 		$pages[ $i ] = sanitize_post( $pages[ $i ], 'raw' );
       
  6179 	}
       
  6180 
       
  6181 	// Update cache.
       
  6182 	update_post_cache( $pages );
       
  6183 
  6250 
  6184 	if ( $child_of || $hierarchical ) {
  6251 	if ( $child_of || $hierarchical ) {
  6185 		$pages = get_page_children( $child_of, $pages );
  6252 		$pages = get_page_children( $child_of, $pages );
  6186 	}
  6253 	}
  6187 
  6254 
  6200 				unset( $pages[ $i ] );
  6267 				unset( $pages[ $i ] );
  6201 			}
  6268 			}
  6202 		}
  6269 		}
  6203 	}
  6270 	}
  6204 
  6271 
  6205 	$page_structure = array();
       
  6206 	foreach ( $pages as $page ) {
       
  6207 		$page_structure[] = $page->ID;
       
  6208 	}
       
  6209 
       
  6210 	wp_cache_set( $cache_key, $page_structure, 'posts' );
       
  6211 
       
  6212 	// Convert to WP_Post instances.
       
  6213 	$pages = array_map( 'get_post', $pages );
       
  6214 
       
  6215 	/**
  6272 	/**
  6216 	 * Filters the retrieved list of pages.
  6273 	 * Filters the retrieved list of pages.
  6217 	 *
  6274 	 *
  6218 	 * @since 2.1.0
  6275 	 * @since 2.1.0
  6219 	 *
  6276 	 *
  6238  *
  6295  *
  6239  * @param string $url URL to check
  6296  * @param string $url URL to check
  6240  * @return bool True on success, false on failure.
  6297  * @return bool True on success, false on failure.
  6241  */
  6298  */
  6242 function is_local_attachment( $url ) {
  6299 function is_local_attachment( $url ) {
  6243 	if ( strpos( $url, home_url() ) === false ) {
  6300 	if ( ! str_contains( $url, home_url() ) ) {
  6244 		return false;
  6301 		return false;
  6245 	}
  6302 	}
  6246 	if ( strpos( $url, home_url( '/?attachment_id=' ) ) !== false ) {
  6303 	if ( str_contains( $url, home_url( '/?attachment_id=' ) ) ) {
  6247 		return true;
  6304 		return true;
  6248 	}
  6305 	}
  6249 
  6306 
  6250 	$id = url_to_postid( $url );
  6307 	$id = url_to_postid( $url );
  6251 	if ( $id ) {
  6308 	if ( $id ) {
  6256 	}
  6313 	}
  6257 	return false;
  6314 	return false;
  6258 }
  6315 }
  6259 
  6316 
  6260 /**
  6317 /**
  6261  * Insert an attachment.
  6318  * Inserts an attachment.
  6262  *
  6319  *
  6263  * If you set the 'ID' in the $args parameter, it will mean that you are
  6320  * If you set the 'ID' in the $args parameter, it will mean that you are
  6264  * updating and attempt to update the attachment. You can also set the
  6321  * updating and attempt to update the attachment. You can also set the
  6265  * attachment name or title by setting the key 'post_name' or 'post_title'.
  6322  * attachment name or title by setting the key 'post_name' or 'post_title'.
  6266  *
  6323  *
  6276  * @since 5.6.0 Added the `$fire_after_hooks` parameter.
  6333  * @since 5.6.0 Added the `$fire_after_hooks` parameter.
  6277  *
  6334  *
  6278  * @see wp_insert_post()
  6335  * @see wp_insert_post()
  6279  *
  6336  *
  6280  * @param string|array $args             Arguments for inserting an attachment.
  6337  * @param string|array $args             Arguments for inserting an attachment.
  6281  * @param string|false $file             Optional. Filename.
  6338  * @param string|false $file             Optional. Filename. Default false.
  6282  * @param int          $parent           Optional. Parent post ID.
  6339  * @param int          $parent_post_id   Optional. Parent post ID or 0 for no parent. Default 0.
  6283  * @param bool         $wp_error         Optional. Whether to return a WP_Error on failure. Default false.
  6340  * @param bool         $wp_error         Optional. Whether to return a WP_Error on failure. Default false.
  6284  * @param bool         $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true.
  6341  * @param bool         $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true.
  6285  * @return int|WP_Error The attachment ID on success. The value 0 or WP_Error on failure.
  6342  * @return int|WP_Error The attachment ID on success. The value 0 or WP_Error on failure.
  6286  */
  6343  */
  6287 function wp_insert_attachment( $args, $file = false, $parent = 0, $wp_error = false, $fire_after_hooks = true ) {
  6344 function wp_insert_attachment( $args, $file = false, $parent_post_id = 0, $wp_error = false, $fire_after_hooks = true ) {
  6288 	$defaults = array(
  6345 	$defaults = array(
  6289 		'file'        => $file,
  6346 		'file'        => $file,
  6290 		'post_parent' => 0,
  6347 		'post_parent' => 0,
  6291 	);
  6348 	);
  6292 
  6349 
  6293 	$data = wp_parse_args( $args, $defaults );
  6350 	$data = wp_parse_args( $args, $defaults );
  6294 
  6351 
  6295 	if ( ! empty( $parent ) ) {
  6352 	if ( ! empty( $parent_post_id ) ) {
  6296 		$data['post_parent'] = $parent;
  6353 		$data['post_parent'] = $parent_post_id;
  6297 	}
  6354 	}
  6298 
  6355 
  6299 	$data['post_type'] = 'attachment';
  6356 	$data['post_type'] = 'attachment';
  6300 
  6357 
  6301 	return wp_insert_post( $data, $wp_error, $fire_after_hooks );
  6358 	return wp_insert_post( $data, $wp_error, $fire_after_hooks );
  6302 }
  6359 }
  6303 
  6360 
  6304 /**
  6361 /**
  6305  * Trash or delete an attachment.
  6362  * Trashes or deletes an attachment.
  6306  *
  6363  *
  6307  * When an attachment is permanently deleted, the file will also be removed.
  6364  * When an attachment is permanently deleted, the file will also be removed.
  6308  * Deletion removes all post meta fields, taxonomy, comments, etc. associated
  6365  * Deletion removes all post meta fields, taxonomy, comments, etc. associated
  6309  * with the attachment (except the main post).
  6366  * with the attachment (except the main post).
  6310  *
  6367  *
  6342 	/**
  6399 	/**
  6343 	 * Filters whether an attachment deletion should take place.
  6400 	 * Filters whether an attachment deletion should take place.
  6344 	 *
  6401 	 *
  6345 	 * @since 5.5.0
  6402 	 * @since 5.5.0
  6346 	 *
  6403 	 *
  6347 	 * @param WP_Post|false|null $delete       Whether to go forward with deletion. @TODO description
  6404 	 * @param WP_Post|false|null $delete       Whether to go forward with deletion.
  6348 	 * @param WP_Post            $post         Post object.
  6405 	 * @param WP_Post            $post         Post object.
  6349 	 * @param bool               $force_delete Whether to bypass the Trash.
  6406 	 * @param bool               $force_delete Whether to bypass the Trash.
  6350 	 */
  6407 	 */
  6351 	$check = apply_filters( 'pre_delete_attachment', null, $post, $force_delete );
  6408 	$check = apply_filters( 'pre_delete_attachment', null, $post, $force_delete );
  6352 	if ( null !== $check ) {
  6409 	if ( null !== $check ) {
  6504 
  6561 
  6505 /**
  6562 /**
  6506  * Retrieves attachment metadata for attachment ID.
  6563  * Retrieves attachment metadata for attachment ID.
  6507  *
  6564  *
  6508  * @since 2.1.0
  6565  * @since 2.1.0
       
  6566  * @since 6.0.0 The `$filesize` value was added to the returned array.
  6509  *
  6567  *
  6510  * @param int  $attachment_id Attachment post ID. Defaults to global $post.
  6568  * @param int  $attachment_id Attachment post ID. Defaults to global $post.
  6511  * @param bool $unfiltered    Optional. If true, filters are not run. Default false.
  6569  * @param bool $unfiltered    Optional. If true, filters are not run. Default false.
  6512  * @return array|false {
  6570  * @return array|false {
  6513  *     Attachment metadata. False on failure.
  6571  *     Attachment metadata. False on failure.
  6588 		return delete_post_meta( $post->ID, '_wp_attachment_metadata' );
  6646 		return delete_post_meta( $post->ID, '_wp_attachment_metadata' );
  6589 	}
  6647 	}
  6590 }
  6648 }
  6591 
  6649 
  6592 /**
  6650 /**
  6593  * Retrieve the URL for an attachment.
  6651  * Retrieves the URL for an attachment.
  6594  *
  6652  *
  6595  * @since 2.1.0
  6653  * @since 2.1.0
  6596  *
  6654  *
  6597  * @global string $pagenow The filename of the current screen.
  6655  * @global string $pagenow The filename of the current screen.
  6598  *
  6656  *
  6620 	if ( $file ) {
  6678 	if ( $file ) {
  6621 		// Get upload directory.
  6679 		// Get upload directory.
  6622 		$uploads = wp_get_upload_dir();
  6680 		$uploads = wp_get_upload_dir();
  6623 		if ( $uploads && false === $uploads['error'] ) {
  6681 		if ( $uploads && false === $uploads['error'] ) {
  6624 			// Check that the upload base exists in the file location.
  6682 			// Check that the upload base exists in the file location.
  6625 			if ( 0 === strpos( $file, $uploads['basedir'] ) ) {
  6683 			if ( str_starts_with( $file, $uploads['basedir'] ) ) {
  6626 				// Replace file location with url location.
  6684 				// Replace file location with url location.
  6627 				$url = str_replace( $uploads['basedir'], $uploads['baseurl'], $file );
  6685 				$url = str_replace( $uploads['basedir'], $uploads['baseurl'], $file );
  6628 			} elseif ( false !== strpos( $file, 'wp-content/uploads' ) ) {
  6686 			} elseif ( str_contains( $file, 'wp-content/uploads' ) ) {
  6629 				// Get the directory name relative to the basedir (back compat for pre-2.7 uploads).
  6687 				// Get the directory name relative to the basedir (back compat for pre-2.7 uploads).
  6630 				$url = trailingslashit( $uploads['baseurl'] . '/' . _wp_get_attachment_relative_path( $file ) ) . wp_basename( $file );
  6688 				$url = trailingslashit( $uploads['baseurl'] . '/' . _wp_get_attachment_relative_path( $file ) ) . wp_basename( $file );
  6631 			} else {
  6689 			} else {
  6632 				// It's a newly-uploaded file, therefore $file is relative to the basedir.
  6690 				// It's a newly-uploaded file, therefore $file is relative to the basedir.
  6633 				$url = $uploads['baseurl'] . "/$file";
  6691 				$url = $uploads['baseurl'] . "/$file";
  6697 	 */
  6755 	 */
  6698 	return apply_filters( 'wp_get_attachment_caption', $caption, $post->ID );
  6756 	return apply_filters( 'wp_get_attachment_caption', $caption, $post->ID );
  6699 }
  6757 }
  6700 
  6758 
  6701 /**
  6759 /**
  6702  * Retrieve thumbnail for an attachment.
  6760  * Retrieves URL for an attachment thumbnail.
  6703  *
  6761  *
  6704  * @since 2.1.0
  6762  * @since 2.1.0
       
  6763  * @since 6.1.0 Changed to use wp_get_attachment_image_url().
  6705  *
  6764  *
  6706  * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`.
  6765  * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`.
  6707  * @return string|false Thumbnail file path on success, false on failure.
  6766  * @return string|false Thumbnail URL on success, false on failure.
  6708  */
  6767  */
  6709 function wp_get_attachment_thumb_file( $post_id = 0 ) {
  6768 function wp_get_attachment_thumb_url( $post_id = 0 ) {
  6710 	$post_id = (int) $post_id;
  6769 	$post_id = (int) $post_id;
  6711 	$post    = get_post( $post_id );
  6770 
       
  6771 	/*
       
  6772 	 * This uses image_downsize() which also looks for the (very) old format $image_meta['thumb']
       
  6773 	 * when the newer format $image_meta['sizes']['thumbnail'] doesn't exist.
       
  6774 	 */
       
  6775 	$thumbnail_url = wp_get_attachment_image_url( $post_id, 'thumbnail' );
       
  6776 
       
  6777 	if ( empty( $thumbnail_url ) ) {
       
  6778 		return false;
       
  6779 	}
       
  6780 
       
  6781 	/**
       
  6782 	 * Filters the attachment thumbnail URL.
       
  6783 	 *
       
  6784 	 * @since 2.1.0
       
  6785 	 *
       
  6786 	 * @param string $thumbnail_url URL for the attachment thumbnail.
       
  6787 	 * @param int    $post_id       Attachment ID.
       
  6788 	 */
       
  6789 	return apply_filters( 'wp_get_attachment_thumb_url', $thumbnail_url, $post_id );
       
  6790 }
       
  6791 
       
  6792 /**
       
  6793  * Verifies an attachment is of a given type.
       
  6794  *
       
  6795  * @since 4.2.0
       
  6796  *
       
  6797  * @param string      $type Attachment type. Accepts `image`, `audio`, `video`, or a file extension.
       
  6798  * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post.
       
  6799  * @return bool True if an accepted type or a matching file extension, false otherwise.
       
  6800  */
       
  6801 function wp_attachment_is( $type, $post = null ) {
       
  6802 	$post = get_post( $post );
  6712 
  6803 
  6713 	if ( ! $post ) {
  6804 	if ( ! $post ) {
  6714 		return false;
  6805 		return false;
  6715 	}
  6806 	}
  6716 
  6807 
  6717 	$imagedata = wp_get_attachment_metadata( $post->ID );
       
  6718 	if ( ! is_array( $imagedata ) ) {
       
  6719 		return false;
       
  6720 	}
       
  6721 
       
  6722 	$file = get_attached_file( $post->ID );
       
  6723 
       
  6724 	if ( ! empty( $imagedata['thumb'] ) ) {
       
  6725 		$thumbfile = str_replace( wp_basename( $file ), $imagedata['thumb'], $file );
       
  6726 		if ( file_exists( $thumbfile ) ) {
       
  6727 			/**
       
  6728 			 * Filters the attachment thumbnail file path.
       
  6729 			 *
       
  6730 			 * @since 2.1.0
       
  6731 			 *
       
  6732 			 * @param string $thumbfile File path to the attachment thumbnail.
       
  6733 			 * @param int    $post_id   Attachment ID.
       
  6734 			 */
       
  6735 			return apply_filters( 'wp_get_attachment_thumb_file', $thumbfile, $post->ID );
       
  6736 		}
       
  6737 	}
       
  6738 	return false;
       
  6739 }
       
  6740 
       
  6741 /**
       
  6742  * Retrieve URL for an attachment thumbnail.
       
  6743  *
       
  6744  * @since 2.1.0
       
  6745  *
       
  6746  * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`.
       
  6747  * @return string|false Thumbnail URL on success, false on failure.
       
  6748  */
       
  6749 function wp_get_attachment_thumb_url( $post_id = 0 ) {
       
  6750 	$post_id = (int) $post_id;
       
  6751 	$post    = get_post( $post_id );
       
  6752 
       
  6753 	if ( ! $post ) {
       
  6754 		return false;
       
  6755 	}
       
  6756 
       
  6757 	$url = wp_get_attachment_url( $post->ID );
       
  6758 	if ( ! $url ) {
       
  6759 		return false;
       
  6760 	}
       
  6761 
       
  6762 	$sized = image_downsize( $post_id, 'thumbnail' );
       
  6763 	if ( $sized ) {
       
  6764 		return $sized[0];
       
  6765 	}
       
  6766 
       
  6767 	$thumb = wp_get_attachment_thumb_file( $post->ID );
       
  6768 	if ( ! $thumb ) {
       
  6769 		return false;
       
  6770 	}
       
  6771 
       
  6772 	$url = str_replace( wp_basename( $url ), wp_basename( $thumb ), $url );
       
  6773 
       
  6774 	/**
       
  6775 	 * Filters the attachment thumbnail URL.
       
  6776 	 *
       
  6777 	 * @since 2.1.0
       
  6778 	 *
       
  6779 	 * @param string $url     URL for the attachment thumbnail.
       
  6780 	 * @param int    $post_id Attachment ID.
       
  6781 	 */
       
  6782 	return apply_filters( 'wp_get_attachment_thumb_url', $url, $post->ID );
       
  6783 }
       
  6784 
       
  6785 /**
       
  6786  * Verifies an attachment is of a given type.
       
  6787  *
       
  6788  * @since 4.2.0
       
  6789  *
       
  6790  * @param string      $type Attachment type. Accepts 'image', 'audio', or 'video'.
       
  6791  * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post.
       
  6792  * @return bool True if one of the accepted types, false otherwise.
       
  6793  */
       
  6794 function wp_attachment_is( $type, $post = null ) {
       
  6795 	$post = get_post( $post );
       
  6796 
       
  6797 	if ( ! $post ) {
       
  6798 		return false;
       
  6799 	}
       
  6800 
       
  6801 	$file = get_attached_file( $post->ID );
  6808 	$file = get_attached_file( $post->ID );
  6802 
  6809 
  6803 	if ( ! $file ) {
  6810 	if ( ! $file ) {
  6804 		return false;
  6811 		return false;
  6805 	}
  6812 	}
  6806 
  6813 
  6807 	if ( 0 === strpos( $post->post_mime_type, $type . '/' ) ) {
  6814 	if ( str_starts_with( $post->post_mime_type, $type . '/' ) ) {
  6808 		return true;
  6815 		return true;
  6809 	}
  6816 	}
  6810 
  6817 
  6811 	$check = wp_check_filetype( $file );
  6818 	$check = wp_check_filetype( $file );
  6812 
  6819 
  6820 		return $type === $ext;
  6827 		return $type === $ext;
  6821 	}
  6828 	}
  6822 
  6829 
  6823 	switch ( $type ) {
  6830 	switch ( $type ) {
  6824 		case 'image':
  6831 		case 'image':
  6825 			$image_exts = array( 'jpg', 'jpeg', 'jpe', 'gif', 'png', 'webp' );
  6832 			$image_exts = array( 'jpg', 'jpeg', 'jpe', 'gif', 'png', 'webp', 'avif' );
  6826 			return in_array( $ext, $image_exts, true );
  6833 			return in_array( $ext, $image_exts, true );
  6827 
  6834 
  6828 		case 'audio':
  6835 		case 'audio':
  6829 			return in_array( $ext, wp_get_audio_extensions(), true );
  6836 			return in_array( $ext, wp_get_audio_extensions(), true );
  6830 
  6837 
  6853 function wp_attachment_is_image( $post = null ) {
  6860 function wp_attachment_is_image( $post = null ) {
  6854 	return wp_attachment_is( 'image', $post );
  6861 	return wp_attachment_is( 'image', $post );
  6855 }
  6862 }
  6856 
  6863 
  6857 /**
  6864 /**
  6858  * Retrieve the icon for a MIME type or attachment.
  6865  * Retrieves the icon for a MIME type or attachment.
  6859  *
  6866  *
  6860  * @since 2.1.0
  6867  * @since 2.1.0
  6861  *
  6868  * @since 6.5.0 Added the `$preferred_ext` parameter.
  6862  * @param string|int $mime MIME type or attachment ID.
  6869  *
       
  6870  * @param string|int $mime          MIME type or attachment ID.
       
  6871  * @param string     $preferred_ext File format to prefer in return. Default '.png'.
  6863  * @return string|false Icon, false otherwise.
  6872  * @return string|false Icon, false otherwise.
  6864  */
  6873  */
  6865 function wp_mime_type_icon( $mime = 0 ) {
  6874 function wp_mime_type_icon( $mime = 0, $preferred_ext = '.png' ) {
  6866 	if ( ! is_numeric( $mime ) ) {
  6875 	if ( ! is_numeric( $mime ) ) {
  6867 		$icon = wp_cache_get( "mime_type_icon_$mime" );
  6876 		$icon = wp_cache_get( "mime_type_icon_$mime" );
       
  6877 	}
       
  6878 
       
  6879 	// Check if preferred file format variable is present and is a validly formatted file extension.
       
  6880 	if ( ! empty( $preferred_ext ) && is_string( $preferred_ext ) && ! str_starts_with( $preferred_ext, '.' ) ) {
       
  6881 		$preferred_ext = '.' . strtolower( $preferred_ext );
  6868 	}
  6882 	}
  6869 
  6883 
  6870 	$post_id = 0;
  6884 	$post_id = 0;
  6871 	if ( empty( $icon ) ) {
  6885 	if ( empty( $icon ) ) {
  6872 		$post_mimes = array();
  6886 		$post_mimes = array();
  6920 			 *
  6934 			 *
  6921 			 * @param string[] $uris Array of icon directory URIs keyed by directory absolute path.
  6935 			 * @param string[] $uris Array of icon directory URIs keyed by directory absolute path.
  6922 			 */
  6936 			 */
  6923 			$dirs       = apply_filters( 'icon_dirs', array( $icon_dir => $icon_dir_uri ) );
  6937 			$dirs       = apply_filters( 'icon_dirs', array( $icon_dir => $icon_dir_uri ) );
  6924 			$icon_files = array();
  6938 			$icon_files = array();
       
  6939 			$all_icons  = array();
  6925 			while ( $dirs ) {
  6940 			while ( $dirs ) {
  6926 				$keys = array_keys( $dirs );
  6941 				$keys = array_keys( $dirs );
  6927 				$dir  = array_shift( $keys );
  6942 				$dir  = array_shift( $keys );
  6928 				$uri  = array_shift( $dirs );
  6943 				$uri  = array_shift( $dirs );
  6929 				$dh   = opendir( $dir );
  6944 				$dh   = opendir( $dir );
  6930 				if ( $dh ) {
  6945 				if ( $dh ) {
  6931 					while ( false !== $file = readdir( $dh ) ) {
  6946 					while ( false !== $file = readdir( $dh ) ) {
  6932 						$file = wp_basename( $file );
  6947 						$file = wp_basename( $file );
  6933 						if ( '.' === substr( $file, 0, 1 ) ) {
  6948 						if ( str_starts_with( $file, '.' ) ) {
  6934 							continue;
  6949 							continue;
  6935 						}
  6950 						}
  6936 
  6951 
  6937 						$ext = strtolower( substr( $file, -4 ) );
  6952 						$ext = strtolower( substr( $file, -4 ) );
  6938 						if ( ! in_array( $ext, array( '.png', '.gif', '.jpg' ), true ) ) {
  6953 						if ( ! in_array( $ext, array( '.svg', '.png', '.gif', '.jpg' ), true ) ) {
  6939 							if ( is_dir( "$dir/$file" ) ) {
  6954 							if ( is_dir( "$dir/$file" ) ) {
  6940 								$dirs[ "$dir/$file" ] = "$uri/$file";
  6955 								$dirs[ "$dir/$file" ] = "$uri/$file";
  6941 							}
  6956 							}
  6942 							continue;
  6957 							continue;
  6943 						}
  6958 						}
  6944 						$icon_files[ "$dir/$file" ] = "$uri/$file";
  6959 						$all_icons[ "$dir/$file" ] = "$uri/$file";
       
  6960 						if ( $ext === $preferred_ext ) {
       
  6961 							$icon_files[ "$dir/$file" ] = "$uri/$file";
       
  6962 						}
  6945 					}
  6963 					}
  6946 					closedir( $dh );
  6964 					closedir( $dh );
  6947 				}
  6965 				}
       
  6966 			}
       
  6967 			// If directory only contained icons of a non-preferred format, return those.
       
  6968 			if ( empty( $icon_files ) ) {
       
  6969 				$icon_files = $all_icons;
  6948 			}
  6970 			}
  6949 			wp_cache_add( 'icon_files', $icon_files, 'default', 600 );
  6971 			wp_cache_add( 'icon_files', $icon_files, 'default', 600 );
  6950 		}
  6972 		}
  6951 
  6973 
  6952 		$types = array();
  6974 		$types = array();
  6991 	 */
  7013 	 */
  6992 	return apply_filters( 'wp_mime_type_icon', $icon, $mime, $post_id );
  7014 	return apply_filters( 'wp_mime_type_icon', $icon, $mime, $post_id );
  6993 }
  7015 }
  6994 
  7016 
  6995 /**
  7017 /**
  6996  * Check for changed slugs for published post objects and save the old slug.
  7018  * Checks for changed slugs for published post objects and save the old slug.
  6997  *
  7019  *
  6998  * The function is used when a post object of any type is updated,
  7020  * The function is used when a post object of any type is updated,
  6999  * by comparing the current and previous post objects.
  7021  * by comparing the current and previous post objects.
  7000  *
  7022  *
  7001  * If the slug was changed and not already part of the old slugs then it will be
  7023  * If the slug was changed and not already part of the old slugs then it will be
  7006  * that those that linked to an changed post will be redirected to the new post.
  7028  * that those that linked to an changed post will be redirected to the new post.
  7007  *
  7029  *
  7008  * @since 2.1.0
  7030  * @since 2.1.0
  7009  *
  7031  *
  7010  * @param int     $post_id     Post ID.
  7032  * @param int     $post_id     Post ID.
  7011  * @param WP_Post $post        The Post Object
  7033  * @param WP_Post $post        The post object.
  7012  * @param WP_Post $post_before The Previous Post Object
  7034  * @param WP_Post $post_before The previous post object.
  7013  */
  7035  */
  7014 function wp_check_for_changed_slugs( $post_id, $post, $post_before ) {
  7036 function wp_check_for_changed_slugs( $post_id, $post, $post_before ) {
  7015 	// Don't bother if it hasn't changed.
  7037 	// Don't bother if it hasn't changed.
  7016 	if ( $post->post_name == $post_before->post_name ) {
  7038 	if ( $post->post_name == $post_before->post_name ) {
  7017 		return;
  7039 		return;
  7034 		delete_post_meta( $post_id, '_wp_old_slug', $post->post_name );
  7056 		delete_post_meta( $post_id, '_wp_old_slug', $post->post_name );
  7035 	}
  7057 	}
  7036 }
  7058 }
  7037 
  7059 
  7038 /**
  7060 /**
  7039  * Check for changed dates for published post objects and save the old date.
  7061  * Checks for changed dates for published post objects and save the old date.
  7040  *
  7062  *
  7041  * The function is used when a post object of any type is updated,
  7063  * The function is used when a post object of any type is updated,
  7042  * by comparing the current and previous post objects.
  7064  * by comparing the current and previous post objects.
  7043  *
  7065  *
  7044  * If the date was changed and not already part of the old dates then it will be
  7066  * If the date was changed and not already part of the old dates then it will be
  7049  * that those that linked to an changed post will be redirected to the new post.
  7071  * that those that linked to an changed post will be redirected to the new post.
  7050  *
  7072  *
  7051  * @since 4.9.3
  7073  * @since 4.9.3
  7052  *
  7074  *
  7053  * @param int     $post_id     Post ID.
  7075  * @param int     $post_id     Post ID.
  7054  * @param WP_Post $post        The Post Object
  7076  * @param WP_Post $post        The post object.
  7055  * @param WP_Post $post_before The Previous Post Object
  7077  * @param WP_Post $post_before The previous post object.
  7056  */
  7078  */
  7057 function wp_check_for_changed_dates( $post_id, $post, $post_before ) {
  7079 function wp_check_for_changed_dates( $post_id, $post, $post_before ) {
  7058 	$previous_date = gmdate( 'Y-m-d', strtotime( $post_before->post_date ) );
  7080 	$previous_date = gmdate( 'Y-m-d', strtotime( $post_before->post_date ) );
  7059 	$new_date      = gmdate( 'Y-m-d', strtotime( $post->post_date ) );
  7081 	$new_date      = gmdate( 'Y-m-d', strtotime( $post->post_date ) );
  7060 
  7082 
  7080 		delete_post_meta( $post_id, '_wp_old_date', $new_date );
  7102 		delete_post_meta( $post_id, '_wp_old_date', $new_date );
  7081 	}
  7103 	}
  7082 }
  7104 }
  7083 
  7105 
  7084 /**
  7106 /**
  7085  * Retrieve the private post SQL based on capability.
  7107  * Retrieves the private post SQL based on capability.
  7086  *
  7108  *
  7087  * This function provides a standardized way to appropriately select on the
  7109  * This function provides a standardized way to appropriately select on the
  7088  * post_status of a post type. The function will return a piece of SQL code
  7110  * post_status of a post type. The function will return a piece of SQL code
  7089  * that can be added to a WHERE clause; this SQL is constructed to allow all
  7111  * that can be added to a WHERE clause; this SQL is constructed to allow all
  7090  * published posts, and all private posts to which the user has access.
  7112  * published posts, and all private posts to which the user has access.
  7098 function get_private_posts_cap_sql( $post_type ) {
  7120 function get_private_posts_cap_sql( $post_type ) {
  7099 	return get_posts_by_author_sql( $post_type, false );
  7121 	return get_posts_by_author_sql( $post_type, false );
  7100 }
  7122 }
  7101 
  7123 
  7102 /**
  7124 /**
  7103  * Retrieve the post SQL based on capability, author, and type.
  7125  * Retrieves the post SQL based on capability, author, and type.
  7104  *
  7126  *
  7105  * @since 3.0.0
  7127  * @since 3.0.0
  7106  * @since 4.3.0 Introduced the ability to pass an array of post types to `$post_type`.
  7128  * @since 4.3.0 Introduced the ability to pass an array of post types to `$post_type`.
  7107  *
  7129  *
  7108  * @see get_private_posts_cap_sql()
  7130  * @see get_private_posts_cap_sql()
  7126 	}
  7148 	}
  7127 
  7149 
  7128 	$post_type_clauses = array();
  7150 	$post_type_clauses = array();
  7129 	foreach ( $post_types as $post_type ) {
  7151 	foreach ( $post_types as $post_type ) {
  7130 		$post_type_obj = get_post_type_object( $post_type );
  7152 		$post_type_obj = get_post_type_object( $post_type );
       
  7153 
  7131 		if ( ! $post_type_obj ) {
  7154 		if ( ! $post_type_obj ) {
  7132 			continue;
  7155 			continue;
  7133 		}
  7156 		}
  7134 
  7157 
  7135 		/**
  7158 		/**
  7140 		 * @deprecated 3.2.0 The hook transitioned from "somewhat useless" to "totally useless".
  7163 		 * @deprecated 3.2.0 The hook transitioned from "somewhat useless" to "totally useless".
  7141 		 *
  7164 		 *
  7142 		 * @param string $cap Capability.
  7165 		 * @param string $cap Capability.
  7143 		 */
  7166 		 */
  7144 		$cap = apply_filters_deprecated( 'pub_priv_sql_capability', array( '' ), '3.2.0' );
  7167 		$cap = apply_filters_deprecated( 'pub_priv_sql_capability', array( '' ), '3.2.0' );
       
  7168 
  7145 		if ( ! $cap ) {
  7169 		if ( ! $cap ) {
  7146 			$cap = current_user_can( $post_type_obj->cap->read_private_posts );
  7170 			$cap = current_user_can( $post_type_obj->cap->read_private_posts );
  7147 		}
  7171 		}
  7148 
  7172 
  7149 		// Only need to check the cap if $public_only is false.
  7173 		// Only need to check the cap if $public_only is false.
  7150 		$post_status_sql = "post_status = 'publish'";
  7174 		$post_status_sql = "post_status = 'publish'";
       
  7175 
  7151 		if ( false === $public_only ) {
  7176 		if ( false === $public_only ) {
  7152 			if ( $cap ) {
  7177 			if ( $cap ) {
  7153 				// Does the user have the capability to view private posts? Guess so.
  7178 				// Does the user have the capability to view private posts? Guess so.
  7154 				$post_status_sql .= " OR post_status = 'private'";
  7179 				$post_status_sql .= " OR post_status = 'private'";
  7155 			} elseif ( is_user_logged_in() ) {
  7180 			} elseif ( is_user_logged_in() ) {
  7218 	 */
  7243 	 */
  7219 	return apply_filters( 'get_lastpostdate', $lastpostdate, $timezone, $post_type );
  7244 	return apply_filters( 'get_lastpostdate', $lastpostdate, $timezone, $post_type );
  7220 }
  7245 }
  7221 
  7246 
  7222 /**
  7247 /**
  7223  * Get the most recent time that a post on the site was modified.
  7248  * Gets the most recent time that a post on the site was modified.
  7224  *
  7249  *
  7225  * The server timezone is the default and is the difference between GMT and
  7250  * The server timezone is the default and is the difference between GMT and
  7226  * server time. The 'blog' value is just when the last post was modified.
  7251  * server time. The 'blog' value is just when the last post was modified.
  7227  * The 'gmt' is when the last post was modified in GMT time.
  7252  * The 'gmt' is when the last post was modified in GMT time.
  7228  *
  7253  *
  7389 	if ( ! $post ) {
  7414 	if ( ! $post ) {
  7390 		return;
  7415 		return;
  7391 	}
  7416 	}
  7392 
  7417 
  7393 	wp_cache_delete( $post->ID, 'posts' );
  7418 	wp_cache_delete( $post->ID, 'posts' );
       
  7419 	wp_cache_delete( 'post_parent:' . (string) $post->ID, 'posts' );
  7394 	wp_cache_delete( $post->ID, 'post_meta' );
  7420 	wp_cache_delete( $post->ID, 'post_meta' );
  7395 
  7421 
  7396 	clean_object_term_cache( $post->ID, $post->post_type );
  7422 	clean_object_term_cache( $post->ID, $post->post_type );
  7397 
  7423 
  7398 	wp_cache_delete( 'wp_get_archives', 'general' );
  7424 	wp_cache_delete( 'wp_get_archives', 'general' );
  7418 		 * @param int $post_id Post ID.
  7444 		 * @param int $post_id Post ID.
  7419 		 */
  7445 		 */
  7420 		do_action( 'clean_page_cache', $post->ID );
  7446 		do_action( 'clean_page_cache', $post->ID );
  7421 	}
  7447 	}
  7422 
  7448 
  7423 	wp_cache_set( 'last_changed', microtime(), 'posts' );
  7449 	wp_cache_set_posts_last_changed();
  7424 }
  7450 }
  7425 
  7451 
  7426 /**
  7452 /**
  7427  * Call major cache updating functions for list of Post objects.
  7453  * Updates post, term, and metadata caches for a list of post objects.
  7428  *
  7454  *
  7429  * @since 1.5.0
  7455  * @since 1.5.0
  7430  *
  7456  *
  7431  * @param WP_Post[] $posts             Array of Post objects
  7457  * @param WP_Post[] $posts             Array of post objects (passed by reference).
  7432  * @param string    $post_type         Optional. Post type. Default 'post'.
  7458  * @param string    $post_type         Optional. Post type. Default 'post'.
  7433  * @param bool      $update_term_cache Optional. Whether to update the term cache. Default true.
  7459  * @param bool      $update_term_cache Optional. Whether to update the term cache. Default true.
  7434  * @param bool      $update_meta_cache Optional. Whether to update the meta cache. Default true.
  7460  * @param bool      $update_meta_cache Optional. Whether to update the meta cache. Default true.
  7435  */
  7461  */
  7436 function update_post_caches( &$posts, $post_type = 'post', $update_term_cache = true, $update_meta_cache = true ) {
  7462 function update_post_caches( &$posts, $post_type = 'post', $update_term_cache = true, $update_meta_cache = true ) {
  7473 		update_postmeta_cache( $post_ids );
  7499 		update_postmeta_cache( $post_ids );
  7474 	}
  7500 	}
  7475 }
  7501 }
  7476 
  7502 
  7477 /**
  7503 /**
  7478  * Updates metadata cache for list of post IDs.
  7504  * Updates post author user caches for a list of post objects.
       
  7505  *
       
  7506  * @since 6.1.0
       
  7507  *
       
  7508  * @param WP_Post[] $posts Array of post objects.
       
  7509  */
       
  7510 function update_post_author_caches( $posts ) {
       
  7511 	/*
       
  7512 	 * cache_users() is a pluggable function so is not available prior
       
  7513 	 * to the `plugins_loaded` hook firing. This is to ensure against
       
  7514 	 * fatal errors when the function is not available.
       
  7515 	 */
       
  7516 	if ( ! function_exists( 'cache_users' ) ) {
       
  7517 		return;
       
  7518 	}
       
  7519 
       
  7520 	$author_ids = wp_list_pluck( $posts, 'post_author' );
       
  7521 	$author_ids = array_map( 'absint', $author_ids );
       
  7522 	$author_ids = array_unique( array_filter( $author_ids ) );
       
  7523 
       
  7524 	cache_users( $author_ids );
       
  7525 }
       
  7526 
       
  7527 /**
       
  7528  * Updates parent post caches for a list of post objects.
       
  7529  *
       
  7530  * @since 6.1.0
       
  7531  *
       
  7532  * @param WP_Post[] $posts Array of post objects.
       
  7533  */
       
  7534 function update_post_parent_caches( $posts ) {
       
  7535 	$parent_ids = wp_list_pluck( $posts, 'post_parent' );
       
  7536 	$parent_ids = array_map( 'absint', $parent_ids );
       
  7537 	$parent_ids = array_unique( array_filter( $parent_ids ) );
       
  7538 
       
  7539 	if ( ! empty( $parent_ids ) ) {
       
  7540 		_prime_post_caches( $parent_ids, false );
       
  7541 	}
       
  7542 }
       
  7543 
       
  7544 /**
       
  7545  * Updates metadata cache for a list of post IDs.
  7479  *
  7546  *
  7480  * Performs SQL query to retrieve the metadata for the post IDs and updates the
  7547  * Performs SQL query to retrieve the metadata for the post IDs and updates the
  7481  * metadata cache for the posts. Therefore, the functions, which call this
  7548  * metadata cache for the posts. Therefore, the functions, which call this
  7482  * function, do not need to perform SQL queries on their own.
  7549  * function, do not need to perform SQL queries on their own.
  7483  *
  7550  *
  7655  * @return int|false Post parent ID (which can be 0 if there is no parent),
  7722  * @return int|false Post parent ID (which can be 0 if there is no parent),
  7656  *                   or false if the post does not exist.
  7723  *                   or false if the post does not exist.
  7657  */
  7724  */
  7658 function wp_get_post_parent_id( $post = null ) {
  7725 function wp_get_post_parent_id( $post = null ) {
  7659 	$post = get_post( $post );
  7726 	$post = get_post( $post );
       
  7727 
  7660 	if ( ! $post || is_wp_error( $post ) ) {
  7728 	if ( ! $post || is_wp_error( $post ) ) {
  7661 		return false;
  7729 		return false;
  7662 	}
  7730 	}
       
  7731 
  7663 	return (int) $post->post_parent;
  7732 	return (int) $post->post_parent;
  7664 }
  7733 }
  7665 
  7734 
  7666 /**
  7735 /**
  7667  * Check the given subset of the post hierarchy for hierarchy loops.
  7736  * Checks the given subset of the post hierarchy for hierarchy loops.
  7668  *
  7737  *
  7669  * Prevents loops from forming and breaks those that it finds. Attached
  7738  * Prevents loops from forming and breaks those that it finds. Attached
  7670  * to the {@see 'wp_insert_post_parent'} filter.
  7739  * to the {@see 'wp_insert_post_parent'} filter.
  7671  *
  7740  *
  7672  * @since 3.1.0
  7741  * @since 3.1.0
  7673  *
  7742  *
  7674  * @see wp_find_hierarchy_loop()
  7743  * @see wp_find_hierarchy_loop()
  7675  *
  7744  *
  7676  * @param int $post_parent ID of the parent for the post we're checking.
  7745  * @param int $post_parent ID of the parent for the post we're checking.
  7677  * @param int $post_ID     ID of the post we're checking.
  7746  * @param int $post_id     ID of the post we're checking.
  7678  * @return int The new post_parent for the post, 0 otherwise.
  7747  * @return int The new post_parent for the post, 0 otherwise.
  7679  */
  7748  */
  7680 function wp_check_post_hierarchy_for_loops( $post_parent, $post_ID ) {
  7749 function wp_check_post_hierarchy_for_loops( $post_parent, $post_id ) {
  7681 	// Nothing fancy here - bail.
  7750 	// Nothing fancy here - bail.
  7682 	if ( ! $post_parent ) {
  7751 	if ( ! $post_parent ) {
  7683 		return 0;
  7752 		return 0;
  7684 	}
  7753 	}
  7685 
  7754 
  7686 	// New post can't cause a loop.
  7755 	// New post can't cause a loop.
  7687 	if ( ! $post_ID ) {
  7756 	if ( ! $post_id ) {
  7688 		return $post_parent;
  7757 		return $post_parent;
  7689 	}
  7758 	}
  7690 
  7759 
  7691 	// Can't be its own parent.
  7760 	// Can't be its own parent.
  7692 	if ( $post_parent == $post_ID ) {
  7761 	if ( $post_parent == $post_id ) {
  7693 		return 0;
  7762 		return 0;
  7694 	}
  7763 	}
  7695 
  7764 
  7696 	// Now look for larger loops.
  7765 	// Now look for larger loops.
  7697 	$loop = wp_find_hierarchy_loop( 'wp_get_post_parent_id', $post_ID, $post_parent );
  7766 	$loop = wp_find_hierarchy_loop( 'wp_get_post_parent_id', $post_id, $post_parent );
  7698 	if ( ! $loop ) {
  7767 	if ( ! $loop ) {
  7699 		return $post_parent; // No loop.
  7768 		return $post_parent; // No loop.
  7700 	}
  7769 	}
  7701 
  7770 
  7702 	// Setting $post_parent to the given value causes a loop.
  7771 	// Setting $post_parent to the given value causes a loop.
  7703 	if ( isset( $loop[ $post_ID ] ) ) {
  7772 	if ( isset( $loop[ $post_id ] ) ) {
  7704 		return 0;
  7773 		return 0;
  7705 	}
  7774 	}
  7706 
  7775 
  7707 	// There's a loop, but it doesn't contain $post_ID. Break the loop.
  7776 	// There's a loop, but it doesn't contain $post_id. Break the loop.
  7708 	foreach ( array_keys( $loop ) as $loop_member ) {
  7777 	foreach ( array_keys( $loop ) as $loop_member ) {
  7709 		wp_update_post(
  7778 		wp_update_post(
  7710 			array(
  7779 			array(
  7711 				'ID'          => $loop_member,
  7780 				'ID'          => $loop_member,
  7712 				'post_parent' => 0,
  7781 				'post_parent' => 0,
  7754 	}
  7823 	}
  7755 	return false;
  7824 	return false;
  7756 }
  7825 }
  7757 
  7826 
  7758 /**
  7827 /**
  7759  * Delete auto-drafts for new posts that are > 7 days old.
  7828  * Deletes auto-drafts for new posts that are > 7 days old.
  7760  *
  7829  *
  7761  * @since 3.4.0
  7830  * @since 3.4.0
  7762  *
  7831  *
  7763  * @global wpdb $wpdb WordPress database abstraction object.
  7832  * @global wpdb $wpdb WordPress database abstraction object.
  7764  */
  7833  */
  7776 /**
  7845 /**
  7777  * Queues posts for lazy-loading of term meta.
  7846  * Queues posts for lazy-loading of term meta.
  7778  *
  7847  *
  7779  * @since 4.5.0
  7848  * @since 4.5.0
  7780  *
  7849  *
  7781  * @param array $posts Array of WP_Post objects.
  7850  * @param WP_Post[] $posts Array of WP_Post objects.
  7782  */
  7851  */
  7783 function wp_queue_posts_for_term_meta_lazyload( $posts ) {
  7852 function wp_queue_posts_for_term_meta_lazyload( $posts ) {
  7784 	$post_type_taxonomies = array();
  7853 	$post_type_taxonomies = array();
  7785 	$term_ids             = array();
  7854 	$prime_post_terms     = array();
  7786 	foreach ( $posts as $post ) {
  7855 	foreach ( $posts as $post ) {
  7787 		if ( ! ( $post instanceof WP_Post ) ) {
  7856 		if ( ! ( $post instanceof WP_Post ) ) {
  7788 			continue;
  7857 			continue;
  7789 		}
  7858 		}
  7790 
  7859 
  7791 		if ( ! isset( $post_type_taxonomies[ $post->post_type ] ) ) {
  7860 		if ( ! isset( $post_type_taxonomies[ $post->post_type ] ) ) {
  7792 			$post_type_taxonomies[ $post->post_type ] = get_object_taxonomies( $post->post_type );
  7861 			$post_type_taxonomies[ $post->post_type ] = get_object_taxonomies( $post->post_type );
  7793 		}
  7862 		}
  7794 
  7863 
  7795 		foreach ( $post_type_taxonomies[ $post->post_type ] as $taxonomy ) {
  7864 		foreach ( $post_type_taxonomies[ $post->post_type ] as $taxonomy ) {
  7796 			// Term cache should already be primed by `update_post_term_cache()`.
  7865 			$prime_post_terms[ $taxonomy ][] = $post->ID;
  7797 			$terms = get_object_term_cache( $post->ID, $taxonomy );
  7866 		}
  7798 			if ( false !== $terms ) {
  7867 	}
  7799 				foreach ( $terms as $term ) {
  7868 
  7800 					if ( ! in_array( $term->term_id, $term_ids, true ) ) {
  7869 	$term_ids = array();
  7801 						$term_ids[] = $term->term_id;
  7870 	if ( $prime_post_terms ) {
       
  7871 		foreach ( $prime_post_terms as $taxonomy => $post_ids ) {
       
  7872 			$cached_term_ids = wp_cache_get_multiple( $post_ids, "{$taxonomy}_relationships" );
       
  7873 			if ( is_array( $cached_term_ids ) ) {
       
  7874 				$cached_term_ids = array_filter( $cached_term_ids );
       
  7875 				foreach ( $cached_term_ids as $_term_ids ) {
       
  7876 					// Backward compatibility for if a plugin is putting objects into the cache, rather than IDs.
       
  7877 					foreach ( $_term_ids as $term_id ) {
       
  7878 						if ( is_numeric( $term_id ) ) {
       
  7879 							$term_ids[] = (int) $term_id;
       
  7880 						} elseif ( isset( $term_id->term_id ) ) {
       
  7881 							$term_ids[] = (int) $term_id->term_id;
       
  7882 						}
  7802 					}
  7883 					}
  7803 				}
  7884 				}
  7804 			}
  7885 			}
  7805 		}
  7886 		}
  7806 	}
  7887 		$term_ids = array_unique( $term_ids );
  7807 
  7888 	}
  7808 	if ( $term_ids ) {
  7889 
  7809 		$lazyloader = wp_metadata_lazyloader();
  7890 	wp_lazyload_term_meta( $term_ids );
  7810 		$lazyloader->queue_objects( 'term', $term_ids );
  7891 }
  7811 	}
  7892 
  7812 }
  7893 /**
  7813 
  7894  * Updates the custom taxonomies' term counts when a post's status is changed.
  7814 /**
       
  7815  * Update the custom taxonomies' term counts when a post's status is changed.
       
  7816  *
  7895  *
  7817  * For example, default posts term counts (for custom taxonomies) don't include
  7896  * For example, default posts term counts (for custom taxonomies) don't include
  7818  * private / draft posts.
  7897  * private / draft posts.
  7819  *
  7898  *
  7820  * @since 3.3.0
  7899  * @since 3.3.0
  7834 
  7913 
  7835 /**
  7914 /**
  7836  * Adds any posts from the given IDs to the cache that do not already exist in cache.
  7915  * Adds any posts from the given IDs to the cache that do not already exist in cache.
  7837  *
  7916  *
  7838  * @since 3.4.0
  7917  * @since 3.4.0
  7839  * @access private
  7918  * @since 6.1.0 This function is no longer marked as "private".
  7840  *
  7919  *
  7841  * @see update_post_caches()
  7920  * @see update_post_cache()
       
  7921  * @see update_postmeta_cache()
       
  7922  * @see update_object_term_cache()
  7842  *
  7923  *
  7843  * @global wpdb $wpdb WordPress database abstraction object.
  7924  * @global wpdb $wpdb WordPress database abstraction object.
  7844  *
  7925  *
  7845  * @param array $ids               ID list.
  7926  * @param int[] $ids               ID list.
  7846  * @param bool  $update_term_cache Optional. Whether to update the term cache. Default true.
  7927  * @param bool  $update_term_cache Optional. Whether to update the term cache. Default true.
  7847  * @param bool  $update_meta_cache Optional. Whether to update the meta cache. Default true.
  7928  * @param bool  $update_meta_cache Optional. Whether to update the meta cache. Default true.
  7848  */
  7929  */
  7849 function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache = true ) {
  7930 function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache = true ) {
  7850 	global $wpdb;
  7931 	global $wpdb;
  7851 
  7932 
  7852 	$non_cached_ids = _get_non_cached_ids( $ids, 'posts' );
  7933 	$non_cached_ids = _get_non_cached_ids( $ids, 'posts' );
  7853 	if ( ! empty( $non_cached_ids ) ) {
  7934 	if ( ! empty( $non_cached_ids ) ) {
  7854 		$fresh_posts = $wpdb->get_results( sprintf( "SELECT $wpdb->posts.* FROM $wpdb->posts WHERE ID IN (%s)", implode( ',', $non_cached_ids ) ) );
  7935 		$fresh_posts = $wpdb->get_results( sprintf( "SELECT $wpdb->posts.* FROM $wpdb->posts WHERE ID IN (%s)", implode( ',', $non_cached_ids ) ) );
  7855 
  7936 
  7856 		update_post_caches( $fresh_posts, 'any', $update_term_cache, $update_meta_cache );
  7937 		if ( $fresh_posts ) {
       
  7938 			// Despite the name, update_post_cache() expects an array rather than a single post.
       
  7939 			update_post_cache( $fresh_posts );
       
  7940 		}
       
  7941 	}
       
  7942 
       
  7943 	if ( $update_meta_cache ) {
       
  7944 		update_postmeta_cache( $ids );
       
  7945 	}
       
  7946 
       
  7947 	if ( $update_term_cache ) {
       
  7948 		$post_types = array_map( 'get_post_type', $ids );
       
  7949 		$post_types = array_unique( $post_types );
       
  7950 		update_object_term_cache( $ids, $post_types );
       
  7951 	}
       
  7952 }
       
  7953 
       
  7954 /**
       
  7955  * Prime the cache containing the parent ID of various post objects.
       
  7956  *
       
  7957  * @since 6.4.0
       
  7958  *
       
  7959  * @global wpdb $wpdb WordPress database abstraction object.
       
  7960  *
       
  7961  * @param int[] $ids ID list.
       
  7962  */
       
  7963 function _prime_post_parent_id_caches( array $ids ) {
       
  7964 	global $wpdb;
       
  7965 
       
  7966 	$ids = array_filter( $ids, '_validate_cache_id' );
       
  7967 	$ids = array_unique( array_map( 'intval', $ids ), SORT_NUMERIC );
       
  7968 
       
  7969 	if ( empty( $ids ) ) {
       
  7970 		return;
       
  7971 	}
       
  7972 
       
  7973 	$cache_keys = array();
       
  7974 	foreach ( $ids as $id ) {
       
  7975 		$cache_keys[ $id ] = 'post_parent:' . (string) $id;
       
  7976 	}
       
  7977 
       
  7978 	$cached_data = wp_cache_get_multiple( array_values( $cache_keys ), 'posts' );
       
  7979 
       
  7980 	$non_cached_ids = array();
       
  7981 	foreach ( $cache_keys as $id => $cache_key ) {
       
  7982 		if ( false === $cached_data[ $cache_key ] ) {
       
  7983 			$non_cached_ids[] = $id;
       
  7984 		}
       
  7985 	}
       
  7986 
       
  7987 	if ( ! empty( $non_cached_ids ) ) {
       
  7988 		$fresh_posts = $wpdb->get_results( sprintf( "SELECT $wpdb->posts.ID, $wpdb->posts.post_parent FROM $wpdb->posts WHERE ID IN (%s)", implode( ',', $non_cached_ids ) ) );
       
  7989 
       
  7990 		if ( $fresh_posts ) {
       
  7991 			$post_parent_data = array();
       
  7992 			foreach ( $fresh_posts as $fresh_post ) {
       
  7993 				$post_parent_data[ 'post_parent:' . (string) $fresh_post->ID ] = (int) $fresh_post->post_parent;
       
  7994 			}
       
  7995 
       
  7996 			wp_cache_add_multiple( $post_parent_data, 'posts' );
       
  7997 		}
  7857 	}
  7998 	}
  7858 }
  7999 }
  7859 
  8000 
  7860 /**
  8001 /**
  7861  * Adds a suffix if any trashed posts have a given slug.
  8002  * Adds a suffix if any trashed posts have a given slug.
  7867  *
  8008  *
  7868  * @since 4.5.0
  8009  * @since 4.5.0
  7869  * @access private
  8010  * @access private
  7870  *
  8011  *
  7871  * @param string $post_name Post slug.
  8012  * @param string $post_name Post slug.
  7872  * @param int    $post_ID   Optional. Post ID that should be ignored. Default 0.
  8013  * @param int    $post_id   Optional. Post ID that should be ignored. Default 0.
  7873  */
  8014  */
  7874 function wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_ID = 0 ) {
  8015 function wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_id = 0 ) {
  7875 	$trashed_posts_with_desired_slug = get_posts(
  8016 	$trashed_posts_with_desired_slug = get_posts(
  7876 		array(
  8017 		array(
  7877 			'name'         => $post_name,
  8018 			'name'         => $post_name,
  7878 			'post_status'  => 'trash',
  8019 			'post_status'  => 'trash',
  7879 			'post_type'    => 'any',
  8020 			'post_type'    => 'any',
  7880 			'nopaging'     => true,
  8021 			'nopaging'     => true,
  7881 			'post__not_in' => array( $post_ID ),
  8022 			'post__not_in' => array( $post_id ),
  7882 		)
  8023 		)
  7883 	);
  8024 	);
  7884 
  8025 
  7885 	if ( ! empty( $trashed_posts_with_desired_slug ) ) {
  8026 	if ( ! empty( $trashed_posts_with_desired_slug ) ) {
  7886 		foreach ( $trashed_posts_with_desired_slug as $_post ) {
  8027 		foreach ( $trashed_posts_with_desired_slug as $_post ) {
  7898  * For internal use.
  8039  * For internal use.
  7899  *
  8040  *
  7900  * @since 4.5.0
  8041  * @since 4.5.0
  7901  * @access private
  8042  * @access private
  7902  *
  8043  *
       
  8044  * @global wpdb $wpdb WordPress database abstraction object.
       
  8045  *
  7903  * @param WP_Post $post The post.
  8046  * @param WP_Post $post The post.
  7904  * @return string New slug for the post.
  8047  * @return string New slug for the post.
  7905  */
  8048  */
  7906 function wp_add_trashed_suffix_to_post_name_for_post( $post ) {
  8049 function wp_add_trashed_suffix_to_post_name_for_post( $post ) {
  7907 	global $wpdb;
  8050 	global $wpdb;
  7908 
  8051 
  7909 	$post = get_post( $post );
  8052 	$post = get_post( $post );
  7910 
  8053 
  7911 	if ( '__trashed' === substr( $post->post_name, -9 ) ) {
  8054 	if ( str_ends_with( $post->post_name, '__trashed' ) ) {
  7912 		return $post->post_name;
  8055 		return $post->post_name;
  7913 	}
  8056 	}
  7914 	add_post_meta( $post->ID, '_wp_desired_post_slug', $post->post_name );
  8057 	add_post_meta( $post->ID, '_wp_desired_post_slug', $post->post_name );
  7915 	$post_name = _truncate_post_slug( $post->post_name, 191 ) . '__trashed';
  8058 	$post_name = _truncate_post_slug( $post->post_name, 191 ) . '__trashed';
  7916 	$wpdb->update( $wpdb->posts, array( 'post_name' => $post_name ), array( 'ID' => $post->ID ) );
  8059 	$wpdb->update( $wpdb->posts, array( 'post_name' => $post_name ), array( 'ID' => $post->ID ) );
  7917 	clean_post_cache( $post->ID );
  8060 	clean_post_cache( $post->ID );
  7918 	return $post_name;
  8061 	return $post_name;
  7919 }
  8062 }
  7920 
  8063 
  7921 /**
  8064 /**
  7922  * Filters the SQL clauses of an attachment query to include filenames.
  8065  * Sets the last changed time for the 'posts' cache group.
  7923  *
  8066  *
  7924  * @since 4.7.0
  8067  * @since 5.0.0
  7925  * @access private
  8068  */
       
  8069 function wp_cache_set_posts_last_changed() {
       
  8070 	wp_cache_set_last_changed( 'posts' );
       
  8071 }
       
  8072 
       
  8073 /**
       
  8074  * Gets all available post MIME types for a given post type.
       
  8075  *
       
  8076  * @since 2.5.0
  7926  *
  8077  *
  7927  * @global wpdb $wpdb WordPress database abstraction object.
  8078  * @global wpdb $wpdb WordPress database abstraction object.
  7928  *
  8079  *
  7929  * @param string[] $clauses An array including WHERE, GROUP BY, JOIN, ORDER BY,
       
  7930  *                          DISTINCT, fields (SELECT), and LIMITS clauses.
       
  7931  * @return string[] The modified array of clauses.
       
  7932  */
       
  7933 function _filter_query_attachment_filenames( $clauses ) {
       
  7934 	global $wpdb;
       
  7935 	remove_filter( 'posts_clauses', __FUNCTION__ );
       
  7936 
       
  7937 	// Add a LEFT JOIN of the postmeta table so we don't trample existing JOINs.
       
  7938 	$clauses['join'] .= " LEFT JOIN {$wpdb->postmeta} AS sq1 ON ( {$wpdb->posts}.ID = sq1.post_id AND sq1.meta_key = '_wp_attached_file' )";
       
  7939 
       
  7940 	$clauses['groupby'] = "{$wpdb->posts}.ID";
       
  7941 
       
  7942 	$clauses['where'] = preg_replace(
       
  7943 		"/\({$wpdb->posts}.post_content (NOT LIKE|LIKE) (\'[^']+\')\)/",
       
  7944 		'$0 OR ( sq1.meta_value $1 $2 )',
       
  7945 		$clauses['where']
       
  7946 	);
       
  7947 
       
  7948 	return $clauses;
       
  7949 }
       
  7950 
       
  7951 /**
       
  7952  * Sets the last changed time for the 'posts' cache group.
       
  7953  *
       
  7954  * @since 5.0.0
       
  7955  */
       
  7956 function wp_cache_set_posts_last_changed() {
       
  7957 	wp_cache_set( 'last_changed', microtime(), 'posts' );
       
  7958 }
       
  7959 
       
  7960 /**
       
  7961  * Get all available post MIME types for a given post type.
       
  7962  *
       
  7963  * @since 2.5.0
       
  7964  *
       
  7965  * @global wpdb $wpdb WordPress database abstraction object.
       
  7966  *
       
  7967  * @param string $type
  8080  * @param string $type
  7968  * @return mixed
  8081  * @return string[] An array of MIME types.
  7969  */
  8082  */
  7970 function get_available_post_mime_types( $type = 'attachment' ) {
  8083 function get_available_post_mime_types( $type = 'attachment' ) {
  7971 	global $wpdb;
  8084 	global $wpdb;
  7972 
  8085 
  7973 	$types = $wpdb->get_col( $wpdb->prepare( "SELECT DISTINCT post_mime_type FROM $wpdb->posts WHERE post_type = %s", $type ) );
  8086 	/**
  7974 	return $types;
  8087 	 * Filters the list of available post MIME types for the given post type.
       
  8088 	 *
       
  8089 	 * @since 6.4.0
       
  8090 	 *
       
  8091 	 * @param string[]|null $mime_types An array of MIME types. Default null.
       
  8092 	 * @param string        $type       The post type name. Usually 'attachment' but can be any post type.
       
  8093 	 */
       
  8094 	$mime_types = apply_filters( 'pre_get_available_post_mime_types', null, $type );
       
  8095 
       
  8096 	if ( ! is_array( $mime_types ) ) {
       
  8097 		$mime_types = $wpdb->get_col( $wpdb->prepare( "SELECT DISTINCT post_mime_type FROM $wpdb->posts WHERE post_type = %s AND post_mime_type != ''", $type ) );
       
  8098 	}
       
  8099 
       
  8100 	// Remove nulls from returned $mime_types.
       
  8101 	return array_values( array_filter( $mime_types ) );
  7975 }
  8102 }
  7976 
  8103 
  7977 /**
  8104 /**
  7978  * Retrieves the path to an uploaded image file.
  8105  * Retrieves the path to an uploaded image file.
  7979  *
  8106  *
  8013 	 */
  8140 	 */
  8014 	return apply_filters( 'wp_get_original_image_path', $original_image, $attachment_id );
  8141 	return apply_filters( 'wp_get_original_image_path', $original_image, $attachment_id );
  8015 }
  8142 }
  8016 
  8143 
  8017 /**
  8144 /**
  8018  * Retrieve the URL to an original attachment image.
  8145  * Retrieves the URL to an original attachment image.
  8019  *
  8146  *
  8020  * Similar to `wp_get_attachment_url()` however some images may have been
  8147  * Similar to `wp_get_attachment_url()` however some images may have been
  8021  * processed after uploading. In this case this function returns the URL
  8148  * processed after uploading. In this case this function returns the URL
  8022  * to the originally uploaded image file.
  8149  * to the originally uploaded image file.
  8023  *
  8150  *
  8055 	 */
  8182 	 */
  8056 	return apply_filters( 'wp_get_original_image_url', $original_image_url, $attachment_id );
  8183 	return apply_filters( 'wp_get_original_image_url', $original_image_url, $attachment_id );
  8057 }
  8184 }
  8058 
  8185 
  8059 /**
  8186 /**
  8060  * Filter callback which sets the status of an untrashed post to its previous status.
  8187  * Filters callback which sets the status of an untrashed post to its previous status.
  8061  *
  8188  *
  8062  * This can be used as a callback on the `wp_untrash_post_status` filter.
  8189  * This can be used as a callback on the `wp_untrash_post_status` filter.
  8063  *
  8190  *
  8064  * @since 5.6.0
  8191  * @since 5.6.0
  8065  *
  8192  *
  8069  * @return string The new status of the post.
  8196  * @return string The new status of the post.
  8070  */
  8197  */
  8071 function wp_untrash_post_set_previous_status( $new_status, $post_id, $previous_status ) {
  8198 function wp_untrash_post_set_previous_status( $new_status, $post_id, $previous_status ) {
  8072 	return $previous_status;
  8199 	return $previous_status;
  8073 }
  8200 }
       
  8201 
       
  8202 /**
       
  8203  * Returns whether the post can be edited in the block editor.
       
  8204  *
       
  8205  * @since 5.0.0
       
  8206  * @since 6.1.0 Moved to wp-includes from wp-admin.
       
  8207  *
       
  8208  * @param int|WP_Post $post Post ID or WP_Post object.
       
  8209  * @return bool Whether the post can be edited in the block editor.
       
  8210  */
       
  8211 function use_block_editor_for_post( $post ) {
       
  8212 	$post = get_post( $post );
       
  8213 
       
  8214 	if ( ! $post ) {
       
  8215 		return false;
       
  8216 	}
       
  8217 
       
  8218 	// We're in the meta box loader, so don't use the block editor.
       
  8219 	if ( is_admin() && isset( $_GET['meta-box-loader'] ) ) {
       
  8220 		check_admin_referer( 'meta-box-loader', 'meta-box-loader-nonce' );
       
  8221 		return false;
       
  8222 	}
       
  8223 
       
  8224 	$use_block_editor = use_block_editor_for_post_type( $post->post_type );
       
  8225 
       
  8226 	/**
       
  8227 	 * Filters whether a post is able to be edited in the block editor.
       
  8228 	 *
       
  8229 	 * @since 5.0.0
       
  8230 	 *
       
  8231 	 * @param bool    $use_block_editor Whether the post can be edited or not.
       
  8232 	 * @param WP_Post $post             The post being checked.
       
  8233 	 */
       
  8234 	return apply_filters( 'use_block_editor_for_post', $use_block_editor, $post );
       
  8235 }
       
  8236 
       
  8237 /**
       
  8238  * Returns whether a post type is compatible with the block editor.
       
  8239  *
       
  8240  * The block editor depends on the REST API, and if the post type is not shown in the
       
  8241  * REST API, then it won't work with the block editor.
       
  8242  *
       
  8243  * @since 5.0.0
       
  8244  * @since 6.1.0 Moved to wp-includes from wp-admin.
       
  8245  *
       
  8246  * @param string $post_type The post type.
       
  8247  * @return bool Whether the post type can be edited with the block editor.
       
  8248  */
       
  8249 function use_block_editor_for_post_type( $post_type ) {
       
  8250 	if ( ! post_type_exists( $post_type ) ) {
       
  8251 		return false;
       
  8252 	}
       
  8253 
       
  8254 	if ( ! post_type_supports( $post_type, 'editor' ) ) {
       
  8255 		return false;
       
  8256 	}
       
  8257 
       
  8258 	$post_type_object = get_post_type_object( $post_type );
       
  8259 	if ( $post_type_object && ! $post_type_object->show_in_rest ) {
       
  8260 		return false;
       
  8261 	}
       
  8262 
       
  8263 	/**
       
  8264 	 * Filters whether a post is able to be edited in the block editor.
       
  8265 	 *
       
  8266 	 * @since 5.0.0
       
  8267 	 *
       
  8268 	 * @param bool   $use_block_editor  Whether the post type can be edited or not. Default true.
       
  8269 	 * @param string $post_type         The post type being checked.
       
  8270 	 */
       
  8271 	return apply_filters( 'use_block_editor_for_post_type', true, $post_type );
       
  8272 }
       
  8273 
       
  8274 /**
       
  8275  * Registers any additional post meta fields.
       
  8276  *
       
  8277  * @since 6.3.0 Adds `wp_pattern_sync_status` meta field to the wp_block post type so an unsynced option can be added.
       
  8278  *
       
  8279  * @link https://github.com/WordPress/gutenberg/pull/51144
       
  8280  */
       
  8281 function wp_create_initial_post_meta() {
       
  8282 	register_post_meta(
       
  8283 		'wp_block',
       
  8284 		'wp_pattern_sync_status',
       
  8285 		array(
       
  8286 			'sanitize_callback' => 'sanitize_text_field',
       
  8287 			'single'            => true,
       
  8288 			'type'              => 'string',
       
  8289 			'show_in_rest'      => array(
       
  8290 				'schema' => array(
       
  8291 					'type' => 'string',
       
  8292 					'enum' => array( 'partial', 'unsynced' ),
       
  8293 				),
       
  8294 			),
       
  8295 		)
       
  8296 	);
       
  8297 }