enmi-conf.org: comparison wp/wp-admin/includes/ajax-actions.php

equal deleted inserted replaced

-:3d4e9c994f10
+:a86126ab1dd4
 * @since 3.6.0
 */
 function wp_ajax_nopriv_heartbeat() {
 	$response = array();
-	// screen_id is the same as $current_screen->id and the JS global 'pagenow'.
+	// 'screen_id' is the same as $current_screen->id and the JS global 'pagenow'.
 	if ( ! empty( $_POST['screen_id'] ) ) {
 		$screen_id = sanitize_key( $_POST['screen_id'] );
 	} else {
 		$screen_id = 'front';
 	}
 		 *
 		 * @since 3.6.0
 		 *
 		 * @param array  $response  The no-priv Heartbeat response.
 		 * @param array  $data      The $_POST data sent.
-		 * @param string $screen_id The screen id.
+		 * @param string $screen_id The screen ID.
 		 */
 		$response = apply_filters( 'heartbeat_nopriv_received', $response, $data, $screen_id );
 	}
 	/**
 	 * Filters Heartbeat Ajax response in no-privilege environments when no data is passed.
 	 *
 	 * @since 3.6.0
 	 *
 	 * @param array  $response  The no-priv Heartbeat response.
-	 * @param string $screen_id The screen id.
+	 * @param string $screen_id The screen ID.
 	 */
 	$response = apply_filters( 'heartbeat_nopriv_send', $response, $screen_id );
 	/**
 	 * Fires when Heartbeat ticks in no-privilege environments.
 	 * Allows the transport to be easily replaced with long-polling.
 	 *
 	 * @since 3.6.0
 	 *
 	 * @param array  $response  The no-priv Heartbeat response.
-	 * @param string $screen_id The screen id.
+	 * @param string $screen_id The screen ID.
 	 */
 	do_action( 'heartbeat_nopriv_tick', $response, $screen_id );
 	// Send the current time according to the server.
 	$response['server_time'] = time();
 		wp_die( 0 );
 	}
 	$taxonomy = sanitize_key( $_GET['tax'] );
 	$tax      = get_taxonomy( $taxonomy );
 	if ( ! $tax ) {
 		wp_die( 0 );
 	}
 	if ( ! current_user_can( $tax->cap->assign_terms ) ) {
 	$comma = _x( ',', 'tag delimiter' );
 	if ( ',' !== $comma ) {
 		$s = str_replace( $comma, ',', $s );
 	}
 	if ( false !== strpos( $s, ',' ) ) {
 		$s = explode( ',', $s );
 		$s = $s[ count( $s ) - 1 ];
 	}
 	$s = trim( $s );
 	/**
 	 * Filters the minimum number of characters required to fire a tag search via Ajax.
 	 *
 	/*
 	 * Require $term_search_min_chars chars for matching (default: 2)
 	 * ensure it's a non-negative, non-zero integer.
 	 */
-	if ( ( $term_search_min_chars == 0 ) || ( strlen( $s ) < $term_search_min_chars ) ) {
+	if ( ( 0 == $term_search_min_chars ) || ( strlen( $s ) < $term_search_min_chars ) ) {
 		wp_die();
 	}
 	$results = get_terms(
-		$taxonomy,
 		array(
+			'taxonomy'   => $taxonomy,
 			'name__like' => $s,
 			'fields'     => 'names',
 			'hide_empty' => false,
 		)
 	);
-	echo join( $results, "\n" );
+	echo join( "\n", $results );
 	wp_die();
 }
 /**
 * Ajax handler for compression testing.
 function wp_ajax_wp_compression_test() {
 	if ( ! current_user_can( 'manage_options' ) ) {
 		wp_die( -1 );
 	}
-	if ( ini_get( 'zlib.output_compression' ) || 'ob_gzhandler' == ini_get( 'output_handler' ) ) {
+	if ( ini_get( 'zlib.output_compression' ) || 'ob_gzhandler' === ini_get( 'output_handler' ) ) {
 		update_site_option( 'can_compress_scripts', 0 );
 		wp_die( 0 );
 	}
 	if ( isset( $_GET['test'] ) ) {
 			wp_die();
 		} elseif ( 2 == $_GET['test'] ) {
 			if ( ! isset( $_SERVER['HTTP_ACCEPT_ENCODING'] ) ) {
 				wp_die( -1 );
 			}
 			if ( false !== stripos( $_SERVER['HTTP_ACCEPT_ENCODING'], 'deflate' ) && function_exists( 'gzdeflate' ) && ! $force_gzip ) {
 				header( 'Content-Encoding: deflate' );
 				$out = gzdeflate( $test_str, 1 );
 			} elseif ( false !== stripos( $_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip' ) && function_exists( 'gzencode' ) ) {
 				header( 'Content-Encoding: gzip' );
 				$out = gzencode( $test_str, 1 );
 			} else {
 				wp_die( -1 );
 			}
 			echo $out;
 			wp_die();
-		} elseif ( 'no' == $_GET['test'] ) {
+		} elseif ( 'no' === $_GET['test'] ) {
 			check_ajax_referer( 'update_can_compress_scripts' );
 			update_site_option( 'can_compress_scripts', 0 );
-		} elseif ( 'yes' == $_GET['test'] ) {
+		} elseif ( 'yes' === $_GET['test'] ) {
 			check_ajax_referer( 'update_can_compress_scripts' );
 			update_site_option( 'can_compress_scripts', 1 );
 		}
 	}
 		wp_die( -1 );
 	}
 	check_ajax_referer( "image_editor-$post_id" );
-	include_once( ABSPATH . 'wp-admin/includes/image-edit.php' );
+	include_once ABSPATH . 'wp-admin/includes/image-edit.php';
 	if ( ! stream_preview_image( $post_id ) ) {
 		wp_die( -1 );
 	}
 	wp_die();
 		wp_die( -1 );
 	}
 	$return = array();
-	// Check the type of request
+	// Check the type of request.
-	// Current allowed values are `add` and `search`
+	// Current allowed values are `add` and `search`.
 	if ( isset( $_REQUEST['autocomplete_type'] ) && 'search' === $_REQUEST['autocomplete_type'] ) {
 		$type = $_REQUEST['autocomplete_type'];
 	} else {
 		$type = 'add';
 	}
-	// Check the desired field for value
+	// Check the desired field for value.
-	// Current allowed values are `user_email` and `user_login`
+	// Current allowed values are `user_email` and `user_login`.
 	if ( isset( $_REQUEST['autocomplete_field'] ) && 'user_email' === $_REQUEST['autocomplete_field'] ) {
 		$field = $_REQUEST['autocomplete_field'];
 	} else {
 		$field = 'user_login';
 	}
-	// Exclude current users of this blog
+	// Exclude current users of this blog.
 	if ( isset( $_REQUEST['site_id'] ) ) {
 		$id = absint( $_REQUEST['site_id'] );
 	} else {
 		$id = get_current_blog_id();
 	}
-	$include_blog_users = ( $type == 'search' ? get_users(
+	$include_blog_users = ( 'search' === $type ? get_users(
 		array(
 			'blog_id' => $id,
 			'fields'  => 'ID',
 		)
 	) : array() );
-	$exclude_blog_users = ( $type == 'add' ? get_users(
+	$exclude_blog_users = ( 'add' === $type ? get_users(
 		array(
 			'blog_id' => $id,
 			'fields'  => 'ID',
 		)
 	) : array() );
 		)
 	);
 	foreach ( $users as $user ) {
 		$return[] = array(
-			/* translators: 1: user_login, 2: user_email */
+			/* translators: 1: User login, 2: User email address. */
 			'label' => sprintf( _x( '%1$s (%2$s)', 'user autocomplete result' ), $user->user_login, $user->user_email ),
 			'value' => $user->$field,
 		);
 	}
 	wp_die( wp_json_encode( $return ) );
 }
 /**
-* Handles AJAX requests for community events
+* Handles Ajax requests for community events
 *
 * @since 4.8.0
 */
 function wp_ajax_get_community_events() {
-	require_once( ABSPATH . 'wp-admin/includes/class-wp-community-events.php' );
+	require_once ABSPATH . 'wp-admin/includes/class-wp-community-events.php';
 	check_ajax_referer( 'community_events' );
 	$search         = isset( $_POST['location'] ) ? wp_unslash( $_POST['location'] ) : '';
 	$timezone       = isset( $_POST['timezone'] ) ? wp_unslash( $_POST['timezone'] ) : '';
 */
 function wp_ajax_dashboard_widgets() {
 	require_once ABSPATH . 'wp-admin/includes/dashboard.php';
 	$pagenow = $_GET['pagenow'];
-	if ( $pagenow === 'dashboard-user' || $pagenow === 'dashboard-network' || $pagenow === 'dashboard' ) {
+	if ( 'dashboard-user' === $pagenow || 'dashboard-network' === $pagenow || 'dashboard' === $pagenow ) {
 		set_current_screen( $pagenow );
 	}
 	switch ( $_GET['widget'] ) {
 		case 'dashboard_primary':
 /**
 * Sends back current comment total and new page links if they need to be updated.
 *
 * Contrary to normal success Ajax response ("1"), die with time() on success.
 *
+* @since 2.7.0
 * @access private
-* @since 2.7.0
 *
 * @param int $comment_id
 * @param int $delta
 */
 function _wp_ajax_delete_comment_response( $comment_id, $delta = -1 ) {
 	$total    = isset( $_POST['_total'] ) ? (int) $_POST['_total'] : 0;
 	$per_page = isset( $_POST['_per_page'] ) ? (int) $_POST['_per_page'] : 0;
 	$page     = isset( $_POST['_page'] ) ? (int) $_POST['_page'] : 0;
 	$url      = isset( $_POST['_url'] ) ? esc_url_raw( $_POST['_url'] ) : '';
-	// JS didn't send us everything we need to know. Just die with success message
+	// JS didn't send us everything we need to know. Just die with success message.
 	if ( ! $total || ! $per_page || ! $page || ! $url ) {
 		$time           = time();
 		$comment        = get_comment( $comment_id );
 		$comment_status = '';
 		$comment_link   = '';
 					'status'               => $comment_status,
 					'postId'               => $comment ? $comment->comment_post_ID : '',
 					'time'                 => $time,
 					'in_moderation'        => $counts->moderated,
 					'i18n_comments_text'   => sprintf(
-						/* translators: %s: number of comments approved */
+						/* translators: %s: Number of comments. */
 						_n( '%s Comment', '%s Comments', $counts->approved ),
 						number_format_i18n( $counts->approved )
 					),
 					'i18n_moderation_text' => sprintf(
-						/* translators: %s: number of comments in moderation */
+						/* translators: %s: Number of comments. */
 						_n( '%s Comment in moderation', '%s Comments in moderation', $counts->moderated ),
 						number_format_i18n( $counts->moderated )
 					),
 					'comment_link'         => $comment_link,
 				),
 	$total += $delta;
 	if ( $total < 0 ) {
 		$total = 0;
 	}
-	// Only do the expensive stuff on a page-break, and about 1 other time per page
+	// Only do the expensive stuff on a page-break, and about 1 other time per page.
 	if ( 0 == $total % $per_page || 1 == mt_rand( 1, $per_page ) ) {
 		$post_id = 0;
 		// What type of comment count are we looking for?
 		$status = 'all';
 		$parsed = parse_url( $url );
 		if ( isset( $parsed['query'] ) ) {
 			parse_str( $parsed['query'], $query_vars );
 			if ( ! empty( $query_vars['comment_status'] ) ) {
 				$status = $query_vars['comment_status'];
 			}
 			if ( ! empty( $query_vars['p'] ) ) {
 				$post_id = (int) $query_vars['p'];
 			}
 			if ( ! empty( $query_vars['comment_type'] ) ) {
 				$type = $query_vars['comment_type'];
 			}
 		}
 			'what'         => 'comment',
 			'id'           => $comment_id,
 			'supplemental' => array(
 				'status'               => $comment ? $comment->comment_approved : '',
 				'postId'               => $comment ? $comment->comment_post_ID : '',
-				/* translators: %s: number of comments */
+				/* translators: %s: Number of comments. */
 				'total_items_i18n'     => sprintf( _n( '%s item', '%s items', $total ), number_format_i18n( $total ) ),
 				'total_pages'          => ceil( $total / $per_page ),
 				'total_pages_i18n'     => number_format_i18n( ceil( $total / $per_page ) ),
 				'total'                => $total,
 				'time'                 => $time,
 				'in_moderation'        => $counts->moderated,
 				'i18n_moderation_text' => sprintf(
-					/* translators: %s: number of comments in moderation */
+					/* translators: %s: Number of comments. */
 					_n( '%s Comment in moderation', '%s Comments in moderation', $counts->moderated ),
 					number_format_i18n( $counts->moderated )
 				),
 			),
 		)
 //
 /**
 * Ajax handler for adding a hierarchical term.
 *
+* @since 3.1.0
 * @access private
-* @since 3.1.0
 */
 function _wp_ajax_add_hierarchical_term() {
 	$action   = $_POST['action'];
 	$taxonomy = get_taxonomy( substr( $action, 4 ) );
 	check_ajax_referer( $action, '_ajax_nonce-add-' . $taxonomy->name );
 	if ( ! current_user_can( $taxonomy->cap->edit_terms ) ) {
 		wp_die( -1 );
 	}
 	$names  = explode( ',', $_POST[ 'new' . $taxonomy->name ] );
 	$parent = isset( $_POST[ 'new' . $taxonomy->name . '_parent' ] ) ? (int) $_POST[ 'new' . $taxonomy->name . '_parent' ] : 0;
 	if ( 0 > $parent ) {
 		$parent = 0;
 	}
-	if ( $taxonomy->name == 'category' ) {
+	if ( 'category' === $taxonomy->name ) {
 		$post_category = isset( $_POST['post_category'] ) ? (array) $_POST['post_category'] : array();
 	} else {
 		$post_category = ( isset( $_POST['tax_input'] ) && isset( $_POST['tax_input'][ $taxonomy->name ] ) ) ? (array) $_POST['tax_input'][ $taxonomy->name ] : array();
 	}
 	$checked_categories = array_map( 'absint', (array) $post_category );
 	$popular_ids        = wp_popular_terms_checklist( $taxonomy->name, 0, 10, false );
 	foreach ( $names as $cat_name ) {
 		$cat_name          = trim( $cat_name );
 		$category_nicename = sanitize_title( $cat_name );
 		if ( '' === $category_nicename ) {
 			continue;
 		}
 		$cat_id = wp_insert_term( $cat_name, $taxonomy->name, array( 'parent' => $parent ) );
 		if ( ! $cat_id || is_wp_error( $cat_id ) ) {
 			continue;
 		} else {
 			$cat_id = $cat_id['term_id'];
 		}
 		$checked_categories[] = $cat_id;
-		if ( $parent ) { // Do these all at once in a second
+		if ( $parent ) { // Do these all at once in a second.
 			continue;
 		}
 		ob_start();
 			'data'     => str_replace( array( "\n", "\t" ), '', $data ),
 			'position' => -1,
 		);
 	}
-	if ( $parent ) { // Foncy - replace the parent and all its children
+	if ( $parent ) { // Foncy - replace the parent and all its children.
 		$parent  = get_term( $parent, $taxonomy->name );
 		$term_id = $parent->term_id;
-		while ( $parent->parent ) { // get the top parent
+		while ( $parent->parent ) { // Get the top parent.
 			$parent = get_term( $parent->parent, $taxonomy->name );
 			if ( is_wp_error( $parent ) ) {
 				break;
 			}
 			$term_id = $parent->term_id;
 * @since 3.1.0
 */
 function wp_ajax_delete_comment() {
 	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
-	if ( ! $comment = get_comment( $id ) ) {
+	$comment = get_comment( $id );
+	if ( ! $comment ) {
 		wp_die( time() );
 	}
 	if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) ) {
 		wp_die( -1 );
 	}
 	check_ajax_referer( "delete-comment_$id" );
 	$status = wp_get_comment_status( $comment );
+	$delta  = -1;
-	$delta = -1;
 	if ( isset( $_POST['trash'] ) && 1 == $_POST['trash'] ) {
-		if ( 'trash' == $status ) {
+		if ( 'trash' === $status ) {
 			wp_die( time() );
 		}
 		$r = wp_trash_comment( $comment );
 	} elseif ( isset( $_POST['untrash'] ) && 1 == $_POST['untrash'] ) {
-		if ( 'trash' != $status ) {
+		if ( 'trash' !== $status ) {
 			wp_die( time() );
 		}
 		$r = wp_untrash_comment( $comment );
-		if ( ! isset( $_POST['comment_status'] ) || $_POST['comment_status'] != 'trash' ) { // undo trash, not in trash
+		// Undo trash, not in Trash.
+		if ( ! isset( $_POST['comment_status'] ) || 'trash' !== $_POST['comment_status'] ) {
 			$delta = 1;
 		}
 	} elseif ( isset( $_POST['spam'] ) && 1 == $_POST['spam'] ) {
-		if ( 'spam' == $status ) {
+		if ( 'spam' === $status ) {
 			wp_die( time() );
 		}
 		$r = wp_spam_comment( $comment );
 	} elseif ( isset( $_POST['unspam'] ) && 1 == $_POST['unspam'] ) {
-		if ( 'spam' != $status ) {
+		if ( 'spam' !== $status ) {
 			wp_die( time() );
 		}
 		$r = wp_unspam_comment( $comment );
-		if ( ! isset( $_POST['comment_status'] ) || $_POST['comment_status'] != 'spam' ) { // undo spam, not in spam
+		// Undo spam, not in spam.
+		if ( ! isset( $_POST['comment_status'] ) || 'spam' !== $_POST['comment_status'] ) {
 			$delta = 1;
 		}
 	} elseif ( isset( $_POST['delete'] ) && 1 == $_POST['delete'] ) {
 		$r = wp_delete_comment( $comment );
 	} else {
 		wp_die( -1 );
 	}
-	if ( $r ) { // Decide if we need to send back '1' or a more complicated response including page links and comment counts
+	if ( $r ) {
+		// Decide if we need to send back '1' or a more complicated response including page links and comment counts.
 		_wp_ajax_delete_comment_response( $comment->comment_ID, $delta );
 	}
 	wp_die( 0 );
 }
 /**
 * Ajax handler for deleting a tag.
 		wp_die( -1 );
 	}
 	$taxonomy = ! empty( $_POST['taxonomy'] ) ? $_POST['taxonomy'] : 'post_tag';
 	$tag      = get_term( $tag_id, $taxonomy );
 	if ( ! $tag || is_wp_error( $tag ) ) {
 		wp_die( 1 );
 	}
 	if ( wp_delete_term( $tag_id, $taxonomy ) ) {
 */
 function wp_ajax_delete_link() {
 	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
 	check_ajax_referer( "delete-bookmark_$id" );
 	if ( ! current_user_can( 'manage_links' ) ) {
 		wp_die( -1 );
 	}
 	$link = get_bookmark( $id );
 */
 function wp_ajax_delete_meta() {
 	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
 	check_ajax_referer( "delete-meta_$id" );
-	if ( ! $meta = get_metadata_by_mid( 'post', $id ) ) {
+	$meta = get_metadata_by_mid( 'post', $id );
+	if ( ! $meta ) {
 		wp_die( 1 );
 	}
 	if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $meta->post_id, $meta->meta_key ) ) {
 		wp_die( -1 );
 	}
 	if ( delete_meta( $meta->meta_id ) ) {
 		wp_die( 1 );
 	}
 	wp_die( 0 );
 }
 /**
 * Ajax handler for deleting a post.
 */
 function wp_ajax_delete_post( $action ) {
 	if ( empty( $action ) ) {
 		$action = 'delete-post';
 	}
 	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
 	check_ajax_referer( "{$action}_$id" );
 	if ( ! current_user_can( 'delete_post', $id ) ) {
 		wp_die( -1 );
 	}
 	if ( ! get_post( $id ) ) {
 		wp_die( 0 );
 	}
 }
 /**
-* Ajax handler for sending a post to the trash.
+* Ajax handler for sending a post to the Trash.
 *
 * @since 3.1.0
 *
 * @param string $action Action to perform.
 */
 function wp_ajax_trash_post( $action ) {
 	if ( empty( $action ) ) {
 		$action = 'trash-post';
 	}
 	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
 	check_ajax_referer( "{$action}_$id" );
 	if ( ! current_user_can( 'delete_post', $id ) ) {
 		wp_die( -1 );
 	}
 	if ( ! get_post( $id ) ) {
 		wp_die( 1 );
 	}
-	if ( 'trash-post' == $action ) {
+	if ( 'trash-post' === $action ) {
 		$done = wp_trash_post( $id );
 	} else {
 		$done = wp_untrash_post( $id );
 	}
 	wp_die( 0 );
 }
 /**
-* Ajax handler to restore a post from the trash.
+* Ajax handler to restore a post from the Trash.
 *
 * @since 3.1.0
 *
 * @param string $action Action to perform.
 */
 function wp_ajax_untrash_post( $action ) {
 	if ( empty( $action ) ) {
 		$action = 'untrash-post';
 	}
 	wp_ajax_trash_post( $action );
 }
 /**
 * Ajax handler to delete a page.
 */
 function wp_ajax_delete_page( $action ) {
 	if ( empty( $action ) ) {
 		$action = 'delete-page';
 	}
 	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
 	check_ajax_referer( "{$action}_$id" );
 	if ( ! current_user_can( 'delete_page', $id ) ) {
 		wp_die( -1 );
 	}
 	if ( ! get_post( $id ) ) {
 * Ajax handler to dim a comment.
 *
 * @since 3.1.0
 */
 function wp_ajax_dim_comment() {
-	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
+	$id      = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
+	$comment = get_comment( $id );
-	if ( ! $comment = get_comment( $id ) ) {
+	if ( ! $comment ) {
 		$x = new WP_Ajax_Response(
 			array(
 				'what' => 'comment',
-				/* translators: %d: comment ID */
+				'id'   => new WP_Error(
-				'id'   => new WP_Error( 'invalid_comment', sprintf( __( 'Comment %d does not exist' ), $id ) ),
+					'invalid_comment',
+					/* translators: %d: Comment ID. */
+					sprintf( __( 'Comment %d does not exist' ), $id )
+				),
 			)
 		);
 		$x->send();
 	}
 	if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) && ! current_user_can( 'moderate_comments' ) ) {
 		wp_die( -1 );
 	}
 	$current = wp_get_comment_status( $comment );
 	if ( isset( $_POST['new'] ) && $_POST['new'] == $current ) {
 		wp_die( time() );
 	}
 	check_ajax_referer( "approve-comment_$id" );
-	if ( in_array( $current, array( 'unapproved', 'spam' ) ) ) {
+	if ( in_array( $current, array( 'unapproved', 'spam' ), true ) ) {
 		$result = wp_set_comment_status( $comment, 'approve', true );
 	} else {
 		$result = wp_set_comment_status( $comment, 'hold', true );
 	}
 			)
 		);
 		$x->send();
 	}
-	// Decide if we need to send back '1' or a more complicated response including page links and comment counts
+	// Decide if we need to send back '1' or a more complicated response including page links and comment counts.
 	_wp_ajax_delete_comment_response( $comment->comment_ID );
 	wp_die( 0 );
 }
 /**
 */
 function wp_ajax_add_link_category( $action ) {
 	if ( empty( $action ) ) {
 		$action = 'add-link-category';
 	}
 	check_ajax_referer( $action );
 	$tax = get_taxonomy( 'link_category' );
 	if ( ! current_user_can( $tax->cap->manage_terms ) ) {
 		wp_die( -1 );
 	}
 	$names = explode( ',', wp_unslash( $_POST['newcat'] ) );
 	$x     = new WP_Ajax_Response();
 	foreach ( $names as $cat_name ) {
 		$cat_name = trim( $cat_name );
 		$slug     = sanitize_title( $cat_name );
 		if ( '' === $slug ) {
 			continue;
 		}
 		$cat_id = wp_insert_term( $cat_name, 'link_category' );
 		if ( ! $cat_id || is_wp_error( $cat_id ) ) {
 			continue;
 		} else {
 			$cat_id = $cat_id['term_id'];
 		}
 		$cat_name = esc_html( $cat_name );
 		$x->add(
 			array(
 				'what'     => 'link-category',
 				'id'       => $cat_id,
 				'data'     => "<li id='link-category-$cat_id'><label for='in-link-category-$cat_id' class='selectit'><input value='" . esc_attr( $cat_id ) . "' type='checkbox' checked='checked' name='link_category[]' id='in-link-category-$cat_id'/> $cat_name</label></li>",
 	$x = new WP_Ajax_Response();
 	$tag = wp_insert_term( $_POST['tag-name'], $taxonomy, $_POST );
-	if ( ! $tag || is_wp_error( $tag ) || ( ! $tag = get_term( $tag['term_id'], $taxonomy ) ) ) {
+	if ( $tag && ! is_wp_error( $tag ) ) {
+		$tag = get_term( $tag['term_id'], $taxonomy );
+	}
+	if ( ! $tag || is_wp_error( $tag ) ) {
 		$message = __( 'An error has occurred. Please reload the page and try again.' );
 		if ( is_wp_error( $tag ) && $tag->get_error_message() ) {
 			$message = $tag->get_error_message();
 		}
 		$x->add(
 		array(
 			'what'         => 'taxonomy',
 			'supplemental' => compact( 'parents', 'noparents' ),
 		)
 	);
 	$x->add(
 		array(
 			'what'         => 'term',
 			'position'     => $level,
 			'supplemental' => (array) $tag,
 		)
 	);
 	$x->send();
 }
 /**
 * Ajax handler for getting a tagcloud.
 		wp_die( 0 );
 	}
 	$taxonomy = sanitize_key( $_POST['tax'] );
 	$tax      = get_taxonomy( $taxonomy );
 	if ( ! $tax ) {
 		wp_die( 0 );
 	}
 	if ( ! current_user_can( $tax->cap->assign_terms ) ) {
 		wp_die( -1 );
 	}
 	$tags = get_terms(
-		$taxonomy,
 		array(
-			'number'  => 45,
+			'taxonomy' => $taxonomy,
-			'orderby' => 'count',
+			'number'   => 45,
-			'order'   => 'DESC',
+			'orderby'  => 'count',
+			'order'    => 'DESC',
 		)
 	);
 	if ( empty( $tags ) ) {
 		wp_die( $tax->labels->not_found );
 	foreach ( $tags as $key => $tag ) {
 		$tags[ $key ]->link = '#';
 		$tags[ $key ]->id   = $tag->term_id;
 	}
-	// We need raw tag names here, so don't filter the output
+	// We need raw tag names here, so don't filter the output.
 	$return = wp_generate_tag_cloud(
 		$tags,
 		array(
 			'filter' => 0,
 			'format' => 'list',
 	if ( empty( $return ) ) {
 		wp_die( 0 );
 	}
 	echo $return;
 	wp_die();
 }
 /**
 * Ajax handler for getting comments.
 *
 * @since 3.1.0
 *
-* @global int           $post_id
+* @global int $post_id
 *
 * @param string $action Action to perform.
 */
 function wp_ajax_get_comments( $action ) {
 	global $post_id;
 	if ( empty( $action ) ) {
 		$action = 'get-comments';
 	}
 	check_ajax_referer( $action );
 	if ( empty( $post_id ) && ! empty( $_REQUEST['p'] ) ) {
 		$id = absint( $_REQUEST['p'] );
 		if ( ! empty( $id ) ) {
 	if ( ! $wp_list_table->has_items() ) {
 		wp_die( 1 );
 	}
 	$x = new WP_Ajax_Response();
 	ob_start();
 	foreach ( $wp_list_table->items as $comment ) {
 		if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) && 0 === $comment->comment_approved ) {
 			continue;
 		}
 		array(
 			'what' => 'comments',
 			'data' => $comment_list_item,
 		)
 	);
 	$x->send();
 }
 /**
 * Ajax handler for replying to a comment.
 	check_ajax_referer( $action, '_ajax_nonce-replyto-comment' );
 	$comment_post_ID = (int) $_POST['comment_post_ID'];
 	$post            = get_post( $comment_post_ID );
 	if ( ! $post ) {
 		wp_die( -1 );
 	}
 	if ( ! current_user_can( 'edit_post', $comment_post_ID ) ) {
 		wp_die( -1 );
 	}
 	if ( empty( $post->post_status ) ) {
 		wp_die( 1 );
-	} elseif ( in_array( $post->post_status, array( 'draft', 'pending', 'trash' ) ) ) {
+	} elseif ( in_array( $post->post_status, array( 'draft', 'pending', 'trash' ), true ) ) {
-		wp_die( __( 'ERROR: you are replying to a comment on a draft post.' ) );
+		wp_die( __( 'Error: You can&#8217;t reply to a comment on a draft post.' ) );
 	}
 	$user = wp_get_current_user();
 	if ( $user->exists() ) {
 		$user_ID              = $user->ID;
 		$comment_author       = wp_slash( $user->display_name );
 		$comment_author_email = wp_slash( $user->user_email );
 		$comment_author_url   = wp_slash( $user->user_url );
 		$comment_content      = trim( $_POST['content'] );
-		$comment_type         = isset( $_POST['comment_type'] ) ? trim( $_POST['comment_type'] ) : '';
+		$comment_type         = isset( $_POST['comment_type'] ) ? trim( $_POST['comment_type'] ) : 'comment';
 		if ( current_user_can( 'unfiltered_html' ) ) {
 			if ( ! isset( $_POST['_wp_unfiltered_html_comment'] ) ) {
 				$_POST['_wp_unfiltered_html_comment'] = '';
 			}
 			if ( wp_create_nonce( 'unfiltered-html-comment' ) != $_POST['_wp_unfiltered_html_comment'] ) {
-				kses_remove_filters(); // start with a clean slate
+				kses_remove_filters(); // Start with a clean slate.
-				kses_init_filters(); // set up the filters
+				kses_init_filters();   // Set up the filters.
 				remove_filter( 'pre_comment_content', 'wp_filter_post_kses' );
 				add_filter( 'pre_comment_content', 'wp_filter_kses' );
 			}
 		}
 	} else {
 		wp_die( __( 'Sorry, you must be logged in to reply to a comment.' ) );
 	}
-	if ( '' == $comment_content ) {
+	if ( '' === $comment_content ) {
-		wp_die( __( 'ERROR: please type a comment.' ) );
+		wp_die( __( 'Error: Please type your comment text.' ) );
 	}
 	$comment_parent = 0;
 	if ( isset( $_POST['comment_ID'] ) ) {
 		$comment_parent = absint( $_POST['comment_ID'] );
 	}
 	$comment_auto_approved = false;
 	$commentdata           = compact( 'comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'comment_parent', 'user_ID' );
 	// Automatically approve parent comment.
 	if ( ! empty( $_POST['approve_parent'] ) ) {
 		$parent = get_comment( $comment_parent );
-		if ( $parent && $parent->comment_approved === '0' && $parent->comment_post_ID == $comment_post_ID ) {
+		if ( $parent && '0' === $parent->comment_approved && $parent->comment_post_ID == $comment_post_ID ) {
 			if ( ! current_user_can( 'edit_comment', $parent->comment_ID ) ) {
 				wp_die( -1 );
 			}
 			if ( wp_set_comment_status( $parent, 'approve' ) ) {
 	if ( is_wp_error( $comment_id ) ) {
 		wp_die( $comment_id->get_error_message() );
 	}
 	$comment = get_comment( $comment_id );
 	if ( ! $comment ) {
 		wp_die( 1 );
 	}
 	$position = ( isset( $_POST['position'] ) && (int) $_POST['position'] ) ? (int) $_POST['position'] : '-1';
 	ob_start();
-	if ( isset( $_REQUEST['mode'] ) && 'dashboard' == $_REQUEST['mode'] ) {
+	if ( isset( $_REQUEST['mode'] ) && 'dashboard' === $_REQUEST['mode'] ) {
-		require_once( ABSPATH . 'wp-admin/includes/dashboard.php' );
+		require_once ABSPATH . 'wp-admin/includes/dashboard.php';
 		_wp_dashboard_recent_comments_row( $comment );
 	} else {
-		if ( isset( $_REQUEST['mode'] ) && 'single' == $_REQUEST['mode'] ) {
+		if ( isset( $_REQUEST['mode'] ) && 'single' === $_REQUEST['mode'] ) {
 			$wp_list_table = _get_list_table( 'WP_Post_Comments_List_Table', array( 'screen' => 'edit-comments' ) );
 		} else {
 			$wp_list_table = _get_list_table( 'WP_Comments_List_Table', array( 'screen' => 'edit-comments' ) );
 		}
 		$wp_list_table->single_row( $comment );
 	$counts                   = wp_count_comments();
 	$response['supplemental'] = array(
 		'in_moderation'        => $counts->moderated,
 		'i18n_comments_text'   => sprintf(
-			/* translators: %s: number of comments approved */
+			/* translators: %s: Number of comments. */
 			_n( '%s Comment', '%s Comments', $counts->approved ),
 			number_format_i18n( $counts->approved )
 		),
 		'i18n_moderation_text' => sprintf(
-			/* translators: %s: number of comments in moderation */
+			/* translators: %s: Number of comments. */
 			_n( '%s Comment in moderation', '%s Comments in moderation', $counts->moderated ),
 			number_format_i18n( $counts->moderated )
 		),
 	);
 */
 function wp_ajax_edit_comment() {
 	check_ajax_referer( 'replyto-comment', '_ajax_nonce-replyto-comment' );
 	$comment_id = (int) $_POST['comment_ID'];
 	if ( ! current_user_can( 'edit_comment', $comment_id ) ) {
 		wp_die( -1 );
 	}
-	if ( '' == $_POST['content'] ) {
+	if ( '' === $_POST['content'] ) {
-		wp_die( __( 'ERROR: please type a comment.' ) );
+		wp_die( __( 'Error: Please type your comment text.' ) );
 	}
 	if ( isset( $_POST['status'] ) ) {
 		$_POST['comment_status'] = $_POST['status'];
 	}
-	edit_comment();
+	$updated = edit_comment();
+	if ( is_wp_error( $updated ) ) {
+		wp_die( $updated->get_error_message() );
+	}
 	$position      = ( isset( $_POST['position'] ) && (int) $_POST['position'] ) ? (int) $_POST['position'] : '-1';
 	$checkbox      = ( isset( $_POST['checkbox'] ) && true == $_POST['checkbox'] ) ? 1 : 0;
 	$wp_list_table = _get_list_table( $checkbox ? 'WP_Comments_List_Table' : 'WP_Post_Comments_List_Table', array( 'screen' => 'edit-comments' ) );
 	$comment = get_comment( $comment_id );
 	if ( empty( $comment->comment_ID ) ) {
 		wp_die( -1 );
 	}
 	ob_start();
 	require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
 	// For performance reasons, we omit some object properties from the checklist.
 	// The following is a hacky way to restore them when adding non-custom items.
 	$menu_items_data = array();
 	foreach ( (array) $_POST['menu-item'] as $menu_item_data ) {
 		if (
 			! empty( $menu_item_data['menu-item-type'] ) &&
-			'custom' != $menu_item_data['menu-item-type'] &&
+			'custom' !== $menu_item_data['menu-item-type'] &&
 			! empty( $menu_item_data['menu-item-object-id'] )
 		) {
 			switch ( $menu_item_data['menu-item-type'] ) {
 				case 'post_type':
 					$_object = get_post( $menu_item_data['menu-item-object-id'] );
 			}
 			$_menu_items = array_map( 'wp_setup_nav_menu_item', array( $_object ) );
 			$_menu_item  = reset( $_menu_items );
-			// Restore the missing menu item properties
+			// Restore the missing menu item properties.
 			$menu_item_data['menu-item-description'] = $_menu_item->description;
 		}
 		$menu_items_data[] = $menu_item_data;
 	}
 	$menu_items = array();
 	foreach ( (array) $item_ids as $menu_item_id ) {
 		$menu_obj = get_post( $menu_item_id );
 		if ( ! empty( $menu_obj->ID ) ) {
 			$menu_obj        = wp_setup_nav_menu_item( $menu_obj );
 			$menu_obj->title = empty( $menu_obj->title ) ? __( 'Menu Item' ) : $menu_obj->title;
-			$menu_obj->label = $menu_obj->title; // don't show "(pending)" in ajax-added items
+			$menu_obj->label = $menu_obj->title; // Don't show "(pending)" in ajax-added items.
 			$menu_items[]    = $menu_obj;
 		}
 	}
 	/** This filter is documented in wp-admin/includes/nav-menu.php */
 			'before'      => '',
 			'link_after'  => '',
 			'link_before' => '',
 			'walker'      => new $walker_class_name,
 		);
 		echo walk_nav_menu_tree( $menu_items, 0, (object) $args );
 	}
 	wp_die();
 }
 /**
 * Ajax handler for adding meta.
 	if ( isset( $_POST['metakeyselect'] ) || isset( $_POST['metakeyinput'] ) ) {
 		if ( ! current_user_can( 'edit_post', $pid ) ) {
 			wp_die( -1 );
 		}
-		if ( isset( $_POST['metakeyselect'] ) && '#NONE#' == $_POST['metakeyselect'] && empty( $_POST['metakeyinput'] ) ) {
+		if ( isset( $_POST['metakeyselect'] ) && '#NONE#' === $_POST['metakeyselect'] && empty( $_POST['metakeyinput'] ) ) {
 			wp_die( 1 );
 		}
 		// If the post is an autodraft, save the post as a draft and then attempt to save the meta.
-		if ( $post->post_status == 'auto-draft' ) {
+		if ( 'auto-draft' === $post->post_status ) {
 			$post_data                = array();
-			$post_data['action']      = 'draft'; // Warning fix
+			$post_data['action']      = 'draft'; // Warning fix.
 			$post_data['post_ID']     = $pid;
 			$post_data['post_type']   = $post->post_type;
 			$post_data['post_status'] = 'draft';
 			$now                      = time();
-			/* translators: 1: Post creation date, 2: Post creation time */
+			/* translators: 1: Post creation date, 2: Post creation time. */
-			$post_data['post_title'] = sprintf( __( 'Draft created on %1$s at %2$s' ), date( __( 'F j, Y' ), $now ), date( __( 'g:i a' ), $now ) );
+			$post_data['post_title'] = sprintf( __( 'Draft created on %1$s at %2$s' ), gmdate( __( 'F j, Y' ), $now ), gmdate( __( 'g:i a' ), $now ) );
 			$pid = edit_post( $post_data );
 			if ( $pid ) {
 				if ( is_wp_error( $pid ) ) {
 					$x = new WP_Ajax_Response(
 						array(
 							'what' => 'meta',
 						)
 					);
 					$x->send();
 				}
-				if ( ! $mid = add_meta( $pid ) ) {
+				$mid = add_meta( $pid );
+				if ( ! $mid ) {
 					wp_die( __( 'Please provide a custom field value.' ) );
 				}
 			} else {
 				wp_die( 0 );
 			}
-		} elseif ( ! $mid = add_meta( $pid ) ) {
+		} else {
-			wp_die( __( 'Please provide a custom field value.' ) );
+			$mid = add_meta( $pid );
+			if ( ! $mid ) {
+				wp_die( __( 'Please provide a custom field value.' ) );
+			}
 		}
 		$meta = get_metadata_by_mid( 'post', $mid );
 		$pid  = (int) $meta->post_id;
 		$meta = get_object_vars( $meta );
-		$x    = new WP_Ajax_Response(
+		$x = new WP_Ajax_Response(
 			array(
 				'what'         => 'meta',
 				'id'           => $mid,
 				'data'         => _list_meta_row( $meta, $c ),
 				'position'     => 1,
 		);
 	} else { // Update?
 		$mid   = (int) key( $_POST['meta'] );
 		$key   = wp_unslash( $_POST['meta'][ $mid ]['key'] );
 		$value = wp_unslash( $_POST['meta'][ $mid ]['value'] );
-		if ( '' == trim( $key ) ) {
+		if ( '' === trim( $key ) ) {
 			wp_die( __( 'Please provide a custom field name.' ) );
 		}
-		if ( ! $meta = get_metadata_by_mid( 'post', $mid ) ) {
-			wp_die( 0 ); // if meta doesn't exist
+		$meta = get_metadata_by_mid( 'post', $mid );
-		}
-		if ( is_protected_meta( $meta->meta_key, 'post' ) || is_protected_meta( $key, 'post' ) ||
+		if ( ! $meta ) {
+			wp_die( 0 ); // If meta doesn't exist.
+		}
+		if (
+			is_protected_meta( $meta->meta_key, 'post' ) || is_protected_meta( $key, 'post' ) ||
 			! current_user_can( 'edit_post_meta', $meta->post_id, $meta->meta_key ) ||
-			! current_user_can( 'edit_post_meta', $meta->post_id, $key ) ) {
+			! current_user_can( 'edit_post_meta', $meta->post_id, $key )
+		) {
 			wp_die( -1 );
 		}
 		if ( $meta->meta_value != $value || $meta->meta_key != $key ) {
-			if ( ! $u = update_metadata_by_mid( 'post', $mid, $value, $key ) ) {
+			$u = update_metadata_by_mid( 'post', $mid, $value, $key );
+			if ( ! $u ) {
 				wp_die( 0 ); // We know meta exists; we also know it's unchanged (or DB error, in which case there are bigger problems).
 			}
 		}
 		$x = new WP_Ajax_Response(
 	if ( empty( $action ) ) {
 		$action = 'add-user';
 	}
 	check_ajax_referer( $action );
 	if ( ! current_user_can( 'create_users' ) ) {
 		wp_die( -1 );
 	}
-	if ( ! $user_id = edit_user() ) {
+	$user_id = edit_user();
+	if ( ! $user_id ) {
 		wp_die( 0 );
 	} elseif ( is_wp_error( $user_id ) ) {
 		$x = new WP_Ajax_Response(
 			array(
 				'what' => 'user',
 				'id'   => $user_id,
 			)
 		);
 		$x->send();
 	}
-	$user_object = get_userdata( $user_id );
+	$user_object   = get_userdata( $user_id );
 	$wp_list_table = _get_list_table( 'WP_Users_List_Table' );
 	$role = current( $user_object->roles );
 	$x = new WP_Ajax_Response(
 			'what'         => 'user',
 			'id'           => $user_id,
 			'data'         => $wp_list_table->single_row( $user_object, '', $role ),
 			'supplemental' => array(
 				'show-link' => sprintf(
-					/* translators: %s: the new user */
+					/* translators: %s: The new user. */
 					__( 'User %s added' ),
 					'<a href="#user-' . $user_id . '">' . $user_object->user_login . '</a>'
 				),
 				'role'      => $role,
 			),
 	$hidden = isset( $_POST['hidden'] ) ? explode( ',', $_POST['hidden'] ) : array();
 	$hidden = array_filter( $hidden );
 	$page = isset( $_POST['page'] ) ? $_POST['page'] : '';
-	if ( $page != sanitize_key( $page ) ) {
+	if ( sanitize_key( $page ) != $page ) {
 		wp_die( 0 );
 	}
-	if ( ! $user = wp_get_current_user() ) {
+	$user = wp_get_current_user();
+	if ( ! $user ) {
 		wp_die( -1 );
 	}
 	if ( is_array( $closed ) ) {
 		update_user_option( $user->ID, "closedpostboxes_$page", $closed, true );
 	}
 	if ( is_array( $hidden ) ) {
-		$hidden = array_diff( $hidden, array( 'submitdiv', 'linksubmitdiv', 'manage-menu', 'create-menu' ) ); // postboxes that are always shown
+		// Postboxes that are always shown.
+		$hidden = array_diff( $hidden, array( 'submitdiv', 'linksubmitdiv', 'manage-menu', 'create-menu' ) );
 		update_user_option( $user->ID, "metaboxhidden_$page", $hidden, true );
 	}
 	wp_die( 1 );
 }
 */
 function wp_ajax_hidden_columns() {
 	check_ajax_referer( 'screen-options-nonce', 'screenoptionnonce' );
 	$page = isset( $_POST['page'] ) ? $_POST['page'] : '';
-	if ( $page != sanitize_key( $page ) ) {
+	if ( sanitize_key( $page ) != $page ) {
 		wp_die( 0 );
 	}
-	if ( ! $user = wp_get_current_user() ) {
+	$user = wp_get_current_user();
+	if ( ! $user ) {
 		wp_die( -1 );
 	}
 	$hidden = ! empty( $_POST['hidden'] ) ? explode( ',', $_POST['hidden'] ) : array();
 	update_user_option( $user->ID, "manage{$page}columnshidden", $hidden, true );
 		wp_die( -1 );
 	}
 	require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
-	if ( isset( $_POST['item-type'] ) && 'post_type' == $_POST['item-type'] ) {
+	if ( isset( $_POST['item-type'] ) && 'post_type' === $_POST['item-type'] ) {
 		$type     = 'posttype';
 		$callback = 'wp_nav_menu_item_post_type_meta_box';
 		$items    = (array) get_post_types( array( 'show_in_nav_menus' => true ), 'object' );
-	} elseif ( isset( $_POST['item-type'] ) && 'taxonomy' == $_POST['item-type'] ) {
+	} elseif ( isset( $_POST['item-type'] ) && 'taxonomy' === $_POST['item-type'] ) {
 		$type     = 'taxonomy';
 		$callback = 'wp_nav_menu_item_taxonomy_meta_box';
 		$items    = (array) get_taxonomies( array( 'show_ui' => true ), 'object' );
 	}
 	if ( ! empty( $_POST['item-object'] ) && isset( $items[ $_POST['item-object'] ] ) ) {
 		$menus_meta_box_object = $items[ $_POST['item-object'] ];
 		/** This filter is documented in wp-admin/includes/nav-menu.php */
 		$item = apply_filters( 'nav_menu_meta_box_object', $menus_meta_box_object );
+		$box_args = array(
+			'id'       => 'add-' . $item->name,
+			'title'    => $item->labels->name,
+			'callback' => $callback,
+			'args'     => $item,
+		);
 		ob_start();
-		call_user_func_array(
+		$callback( null, $box_args );
-			$callback,
-			array(
-				null,
-				array(
-					'id'       => 'add-' . $item->name,
-					'title'    => $item->labels->name,
-					'callback' => $callback,
-					'args'     => $item,
-				),
-			)
-		);
 		$markup = ob_get_clean();
 		echo wp_json_encode(
 			array(
 	}
 	$args['pagenum'] = ! empty( $_POST['page'] ) ? absint( $_POST['page'] ) : 1;
 	if ( ! class_exists( '_WP_Editors', false ) ) {
-		require( ABSPATH . WPINC . '/class-wp-editor.php' );
+		require ABSPATH . WPINC . '/class-wp-editor.php';
 	}
 	$results = _WP_Editors::wp_link_query( $args );
 	if ( ! isset( $results ) ) {
 */
 function wp_ajax_menu_locations_save() {
 	if ( ! current_user_can( 'edit_theme_options' ) ) {
 		wp_die( -1 );
 	}
 	check_ajax_referer( 'add-menu_item', 'menu-settings-column-nonce' );
 	if ( ! isset( $_POST['menu-locations'] ) ) {
 		wp_die( 0 );
 	}
 	set_theme_mod( 'nav_menu_locations', array_map( 'absint', $_POST['menu-locations'] ) );
 	wp_die( 1 );
 }
 /**
 function wp_ajax_meta_box_order() {
 	check_ajax_referer( 'meta-box-order' );
 	$order        = isset( $_POST['order'] ) ? (array) $_POST['order'] : false;
 	$page_columns = isset( $_POST['page_columns'] ) ? $_POST['page_columns'] : 'auto';
-	if ( $page_columns != 'auto' ) {
+	if ( 'auto' !== $page_columns ) {
 		$page_columns = (int) $page_columns;
 	}
 	$page = isset( $_POST['page'] ) ? $_POST['page'] : '';
-	if ( $page != sanitize_key( $page ) ) {
+	if ( sanitize_key( $page ) != $page ) {
 		wp_die( 0 );
 	}
-	if ( ! $user = wp_get_current_user() ) {
+	$user = wp_get_current_user();
+	if ( ! $user ) {
 		wp_die( -1 );
 	}
 	if ( $order ) {
 		update_user_option( $user->ID, "meta-box-order_$page", $order, true );
 	if ( $page_columns ) {
 		update_user_option( $user->ID, "screen_layout_$page", $page_columns, true );
 	}
-	wp_die( 1 );
+	wp_send_json_success();
 }
 /**
 * Ajax handler for menu quick searching.
 *
 function wp_ajax_inline_save() {
 	global $mode;
 	check_ajax_referer( 'inlineeditnonce', '_inline_edit' );
-	if ( ! isset( $_POST['post_ID'] ) || ! ( $post_ID = (int) $_POST['post_ID'] ) ) {
+	if ( ! isset( $_POST['post_ID'] ) || ! (int) $_POST['post_ID'] ) {
 		wp_die();
 	}
-	if ( 'page' == $_POST['post_type'] ) {
+	$post_ID = (int) $_POST['post_ID'];
+	if ( 'page' === $_POST['post_type'] ) {
 		if ( ! current_user_can( 'edit_page', $post_ID ) ) {
 			wp_die( __( 'Sorry, you are not allowed to edit this page.' ) );
 		}
 	} else {
 		if ( ! current_user_can( 'edit_post', $post_ID ) ) {
 			wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
 		}
 	}
-	if ( $last = wp_check_post_lock( $post_ID ) ) {
+	$last = wp_check_post_lock( $post_ID );
+	if ( $last ) {
 		$last_user      = get_userdata( $last );
 		$last_user_name = $last_user ? $last_user->display_name : __( 'Someone' );
-		/* translators: %s: user who is currently editing the post */
+		/* translators: %s: User's display name. */
 		$msg_template = __( 'Saving is disabled: %s is currently editing this post.' );
-		if ( $_POST['post_type'] == 'page' ) {
-			/* translators: %s: user who is currently editing the page */
+		if ( 'page' === $_POST['post_type'] ) {
+			/* translators: %s: User's display name. */
 			$msg_template = __( 'Saving is disabled: %s is currently editing this page.' );
 		}
 		printf( $msg_template, esc_html( $last_user_name ) );
 		wp_die();
 	if ( isset( $data['post_parent'] ) ) {
 		$data['parent_id'] = $data['post_parent'];
 	}
 	// Status.
-	if ( isset( $data['keep_private'] ) && 'private' == $data['keep_private'] ) {
+	if ( isset( $data['keep_private'] ) && 'private' === $data['keep_private'] ) {
 		$data['visibility']  = 'private';
 		$data['post_status'] = 'private';
 	} else {
 		$data['post_status'] = $data['_status'];
 	}
 	if ( empty( $data['comment_status'] ) ) {
 		$data['comment_status'] = 'closed';
 	}
 	if ( empty( $data['ping_status'] ) ) {
 		$data['ping_status'] = 'closed';
 	}
 	// Exclude terms from taxonomies that are not supposed to appear in Quick Edit.
 			}
 		}
 	}
 	// Hack: wp_unique_post_slug() doesn't work for drafts, so we will fake that our post is published.
-	if ( ! empty( $data['post_name'] ) && in_array( $post['post_status'], array( 'draft', 'pending' ) ) ) {
+	if ( ! empty( $data['post_name'] ) && in_array( $post['post_status'], array( 'draft', 'pending' ), true ) ) {
 		$post['post_status'] = 'publish';
 		$data['post_name']   = wp_unique_post_slug( $data['post_name'], $post['ID'], $post['post_status'], $post['post_type'], $post['post_parent'] );
 	}
 	// Update the post.
 	edit_post();
 	$wp_list_table = _get_list_table( 'WP_Posts_List_Table', array( 'screen' => $_POST['screen'] ) );
-	$mode = $_POST['post_view'] === 'excerpt' ? 'excerpt' : 'list';
+	$mode = 'excerpt' === $_POST['post_view'] ? 'excerpt' : 'list';
 	$level = 0;
 	if ( is_post_type_hierarchical( $wp_list_table->screen->post_type ) ) {
 		$request_post = array( get_post( $_POST['post_ID'] ) );
 		$parent       = $request_post[0]->post_parent;
 function wp_ajax_inline_save_tax() {
 	check_ajax_referer( 'taxinlineeditnonce', '_inline_edit' );
 	$taxonomy = sanitize_key( $_POST['taxonomy'] );
 	$tax      = get_taxonomy( $taxonomy );
 	if ( ! $tax ) {
 		wp_die( 0 );
 	}
-	if ( ! isset( $_POST['tax_ID'] ) || ! ( $id = (int) $_POST['tax_ID'] ) ) {
+	if ( ! isset( $_POST['tax_ID'] ) || ! (int) $_POST['tax_ID'] ) {
 		wp_die( -1 );
 	}
+	$id = (int) $_POST['tax_ID'];
 	if ( ! current_user_can( 'edit_term', $id ) ) {
 		wp_die( -1 );
 	}
 	$tag                  = get_term( $id, $taxonomy );
 	$_POST['description'] = $tag->description;
 	$updated = wp_update_term( $id, $taxonomy, $_POST );
 	if ( $updated && ! is_wp_error( $updated ) ) {
 		$tag = get_term( $updated['term_id'], $taxonomy );
 		if ( ! $tag || is_wp_error( $tag ) ) {
 			if ( is_wp_error( $tag ) && $tag->get_error_message() ) {
 				wp_die( $tag->get_error_message() );
 		if ( is_wp_error( $updated ) && $updated->get_error_message() ) {
 			wp_die( $updated->get_error_message() );
 		}
 		wp_die( __( 'Item not updated.' ) );
 	}
 	$level  = 0;
 	$parent = $tag->parent;
 	while ( $parent > 0 ) {
 		$parent_tag = get_term( $parent, $taxonomy );
 		$parent     = $parent_tag->parent;
 		$level++;
 	}
 	$wp_list_table->single_row( $tag, $level );
 	wp_die();
 }
 /**
 	$args = array(
 		'post_type'      => array_keys( $post_types ),
 		'post_status'    => 'any',
 		'posts_per_page' => 50,
 	);
 	if ( '' !== $s ) {
 		$args['s'] = $s;
 	}
 	$posts = get_posts( $args );
 	$html = '<table class="widefat"><thead><tr><th class="found-radio"><br /></th><th>' . __( 'Title' ) . '</th><th class="no-break">' . __( 'Type' ) . '</th><th class="no-break">' . __( 'Date' ) . '</th><th class="no-break">' . __( 'Status' ) . '</th></tr></thead><tbody>';
 	$alt  = '';
 	foreach ( $posts as $post ) {
 		$title = trim( $post->post_title ) ? $post->post_title : __( '(no title)' );
-		$alt   = ( 'alternate' == $alt ) ? '' : 'alternate';
+		$alt   = ( 'alternate' === $alt ) ? '' : 'alternate';
 		switch ( $post->post_status ) {
 			case 'publish':
 			case 'private':
 				$stat = __( 'Published' );
 			case 'draft':
 				$stat = __( 'Draft' );
 				break;
 		}
-		if ( '0000-00-00 00:00:00' == $post->post_date ) {
+		if ( '0000-00-00 00:00:00' === $post->post_date ) {
 			$time = '';
 		} else {
-			/* translators: date format in table columns, see https://secure.php.net/date */
+			/* translators: Date format in table columns, see https://www.php.net/date */
 			$time = mysql2date( __( 'Y/m/d' ), $post->post_date );
 		}
 		$html .= '<tr class="' . trim( 'found-posts ' . $alt ) . '"><td class="found-radio"><input type="radio" id="found-' . $post->ID . '" name="found_post_id" value="' . esc_attr( $post->ID ) . '"></td>';
 		$html .= '<td><label for="found-' . $post->ID . '">' . esc_html( $title ) . '</label></td><td class="no-break">' . esc_html( $post_types[ $post->post_type ]->labels->singular_name ) . '</td><td class="no-break">' . esc_html( $time ) . '</td><td class="no-break">' . esc_html( $stat ) . ' </td></tr>' . "\n\n";
 	unset( $_POST['savewidgets'], $_POST['action'] );
 	// Save widgets order for all sidebars.
 	if ( is_array( $_POST['sidebars'] ) ) {
 		$sidebars = array();
 		foreach ( wp_unslash( $_POST['sidebars'] ) as $key => $val ) {
 			$sb = array();
 			if ( ! empty( $val ) ) {
 				$val = explode( ',', $val );
 				foreach ( $val as $k => $v ) {
 					if ( strpos( $v, 'widget-' ) === false ) {
 						continue;
 					}
 					$sb[ $k ] = substr( $v, strpos( $v, '_' ) + 1 );
 				}
 			}
 			$sidebars[ $key ] = $sb;
 		}
 		wp_set_sidebars_widgets( $sidebars );
 		wp_die( 1 );
 	}
 	wp_die( -1 );
 	/**
 	 * Fires early when editing the widgets displayed in sidebars.
 	 *
 	 * @since 2.8.0
 	 */
-	do_action( 'load-widgets.php' );
+	do_action( 'load-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 	/**
 	 * Fires early when editing the widgets displayed in sidebars.
 	 *
 	 * @since 2.8.0
 	 */
-	do_action( 'widgets.php' );
+	do_action( 'widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 	/** This action is documented in wp-admin/widgets.php */
 	do_action( 'sidebar_admin_setup' );
 	$id_base      = wp_unslash( $_POST['id_base'] );
 	if ( ! empty( $_POST['add_new'] ) ) {
 		wp_die();
 	}
-	if ( $form = $wp_registered_widget_controls[ $widget_id ] ) {
+	$form = $wp_registered_widget_controls[ $widget_id ];
+	if ( $form ) {
 		call_user_func_array( $form['callback'], $form['params'] );
 	}
 	wp_die();
 }
 		wp_die( -1 );
 	}
 	unset( $_POST['removeinactivewidgets'], $_POST['action'] );
 	/** This action is documented in wp-admin/includes/ajax-actions.php */
-	do_action( 'load-widgets.php' );
+	do_action( 'load-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 	/** This action is documented in wp-admin/includes/ajax-actions.php */
-	do_action( 'widgets.php' );
+	do_action( 'widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 	/** This action is documented in wp-admin/widgets.php */
 	do_action( 'sidebar_admin_setup' );
 	$sidebars_widgets = wp_get_sidebars_widgets();
 	}
 	wp_set_sidebars_widgets( $sidebars_widgets );
 	wp_die();
+}
+/**
+* Ajax handler for creating missing image sub-sizes for just uploaded images.
+*
+* @since 5.3.0
+*/
+function wp_ajax_media_create_image_subsizes() {
+	check_ajax_referer( 'media-form' );
+	if ( ! current_user_can( 'upload_files' ) ) {
+		wp_send_json_error( array( 'message' => __( 'Sorry, you are not allowed to upload files.' ) ) );
+	}
+	if ( empty( $_POST['attachment_id'] ) ) {
+		wp_send_json_error( array( 'message' => __( 'Upload failed. Please reload and try again.' ) ) );
+	}
+	$attachment_id = (int) $_POST['attachment_id'];
+	if ( ! empty( $_POST['_wp_upload_failed_cleanup'] ) ) {
+		// Upload failed. Cleanup.
+		if ( wp_attachment_is_image( $attachment_id ) && current_user_can( 'delete_post', $attachment_id ) ) {
+			$attachment = get_post( $attachment_id );
+			// Created at most 10 min ago.
+			if ( $attachment && ( time() - strtotime( $attachment->post_date_gmt ) < 600 ) ) {
+				wp_delete_attachment( $attachment_id, true );
+				wp_send_json_success();
+			}
+		}
+	}
+	// Set a custom header with the attachment_id.
+	// Used by the browser/client to resume creating image sub-sizes after a PHP fatal error.
+	if ( ! headers_sent() ) {
+		header( 'X-WP-Upload-Attachment-ID: ' . $attachment_id );
+	}
+	// This can still be pretty slow and cause timeout or out of memory errors.
+	// The js that handles the response would need to also handle HTTP 500 errors.
+	wp_update_image_subsizes( $attachment_id );
+	if ( ! empty( $_POST['_legacy_support'] ) ) {
+		// The old (inline) uploader. Only needs the attachment_id.
+		$response = array( 'id' => $attachment_id );
+	} else {
+		// Media modal and Media Library grid view.
+		$response = wp_prepare_attachment_for_js( $attachment_id );
+		if ( ! $response ) {
+			wp_send_json_error( array( 'message' => __( 'Upload failed.' ) ) );
+		}
+	}
+	// At this point the image has been uploaded successfully.
+	wp_send_json_success( $response );
 }
 /**
 * Ajax handler for uploading attachments
 *
 		wp_die();
 	}
 	if ( isset( $_REQUEST['post_id'] ) ) {
 		$post_id = $_REQUEST['post_id'];
 		if ( ! current_user_can( 'edit_post', $post_id ) ) {
 			echo wp_json_encode(
 				array(
 					'success' => false,
 					'data'    => array(
 	if ( is_wp_error( $post_data ) ) {
 		wp_die( $post_data->get_error_message() );
 	}
 	// If the context is custom header or background, make sure the uploaded file is an image.
-	if ( isset( $post_data['context'] ) && in_array( $post_data['context'], array( 'custom-header', 'custom-background' ) ) ) {
+	if ( isset( $post_data['context'] ) && in_array( $post_data['context'], array( 'custom-header', 'custom-background' ), true ) ) {
 		$wp_filetype = wp_check_filetype_and_ext( $_FILES['async-upload']['tmp_name'], $_FILES['async-upload']['name'] );
 		if ( ! wp_match_mime_types( 'image', $wp_filetype['type'] ) ) {
 			echo wp_json_encode(
 				array(
 					'success' => false,
 					'data'    => array(
 		if ( 'custom-header' === $post_data['context'] ) {
 			update_post_meta( $attachment_id, '_wp_attachment_is_custom_header', $post_data['theme'] );
 		}
 	}
-	if ( ! $attachment = wp_prepare_attachment_for_js( $attachment_id ) ) {
+	$attachment = wp_prepare_attachment_for_js( $attachment_id );
+	if ( ! $attachment ) {
 		wp_die();
 	}
 	echo wp_json_encode(
 		array(
 *
 * @since 3.1.0
 */
 function wp_ajax_image_editor() {
 	$attachment_id = intval( $_POST['postid'] );
 	if ( empty( $attachment_id ) || ! current_user_can( 'edit_post', $attachment_id ) ) {
 		wp_die( -1 );
 	}
 	check_ajax_referer( "image_editor-$attachment_id" );
-	include_once( ABSPATH . 'wp-admin/includes/image-edit.php' );
+	include_once ABSPATH . 'wp-admin/includes/image-edit.php';
 	$msg = false;
 	switch ( $_POST['do'] ) {
 		case 'save':
 			$msg = wp_save_image( $attachment_id );
-			$msg = wp_json_encode( $msg );
+			if ( $msg->error ) {
-			wp_die( $msg );
+				wp_send_json_error( $msg );
+			}
+			wp_send_json_success( $msg );
 			break;
 		case 'scale':
 			$msg = wp_save_image( $attachment_id );
 			break;
 		case 'restore':
 			$msg = wp_restore_image( $attachment_id );
 			break;
 	}
+	ob_start();
 	wp_image_editor( $attachment_id, $msg );
-	wp_die();
+	$html = ob_get_clean();
+	if ( $msg->error ) {
+		wp_send_json_error(
+			array(
+				'message' => $msg,
+				'html'    => $html,
+			)
+		);
+	}
+	wp_send_json_success(
+		array(
+			'message' => $msg,
+			'html'    => $html,
+		)
+	);
 }
 /**
 * Ajax handler for setting the featured image.
 *
 * @since 3.1.0
 */
 function wp_ajax_set_post_thumbnail() {
-	$json = ! empty( $_REQUEST['json'] ); // New-style request
+	$json = ! empty( $_REQUEST['json'] ); // New-style request.
 	$post_ID = intval( $_POST['post_id'] );
 	if ( ! current_user_can( 'edit_post', $post_ID ) ) {
 		wp_die( -1 );
 	}
 		check_ajax_referer( "update-post_$post_ID" );
 	} else {
 		check_ajax_referer( "set_post_thumbnail-$post_ID" );
 	}
-	if ( $thumbnail_id == '-1' ) {
+	if ( '-1' == $thumbnail_id ) {
 		if ( delete_post_thumbnail( $post_ID ) ) {
 			$return = _wp_post_thumbnail_html( null, $post_ID );
 			$json ? wp_send_json_success( $return ) : wp_die( $return );
 		} else {
 			wp_die( 0 );
 	} else {
 		$last_date = date_i18n( __( 'F j, Y' ) );
 		$last_time = date_i18n( __( 'g:i a' ) );
 	}
-	if ( $last_id = get_post_meta( $post_id, '_edit_last', true ) ) {
+	$last_id = get_post_meta( $post_id, '_edit_last', true );
+	if ( $last_id ) {
 		$last_user = get_userdata( $last_id );
-		/* translators: 1: display_name of last user, 2: date of last edit, 3: time of last edit. */
+		/* translators: 1: User's display name, 2: Date of last edit, 3: Time of last edit. */
 		$last_edited = sprintf( __( 'Last edited by %1$s on %2$s at %3$s' ), esc_html( $last_user->display_name ), $last_date, $last_time );
 	} else {
-		/* translators: 1: date of last edit, 2: time of last edit. */
+		/* translators: 1: Date of last edit, 2: Time of last edit. */
 		$last_edited = sprintf( __( 'Last edited on %1$s at %2$s' ), $last_date, $last_time );
 	}
 	wp_send_json_success( array( 'last_edited' => $last_edited ) );
 }
 */
 function wp_ajax_wp_remove_post_lock() {
 	if ( empty( $_POST['post_ID'] ) || empty( $_POST['active_post_lock'] ) ) {
 		wp_die( 0 );
 	}
 	$post_id = (int) $_POST['post_ID'];
-	if ( ! $post = get_post( $post_id ) ) {
+	$post    = get_post( $post_id );
+	if ( ! $post ) {
 		wp_die( 0 );
 	}
 	check_ajax_referer( 'update-post_' . $post_id );
 	if ( ! current_user_can( 'edit_post', $post_id ) ) {
 		wp_die( -1 );
 	}
 	$active_lock = array_map( 'absint', explode( ':', $_POST['active_post_lock'] ) );
-	if ( $active_lock[1] != get_current_user_id() ) {
+	if ( get_current_user_id() != $active_lock[1] ) {
 		wp_die( 0 );
 	}
 	/**
 	 * Filters the post lock window duration.
 *
 * @since 3.1.0
 */
 function wp_ajax_dismiss_wp_pointer() {
 	$pointer = $_POST['pointer'];
-	if ( $pointer != sanitize_key( $pointer ) ) {
+	if ( sanitize_key( $pointer ) != $pointer ) {
 		wp_die( 0 );
 	}
 	//  check_ajax_referer( 'dismiss-pointer_' . $pointer );
 	$dismissed = array_filter( explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) ) );
-	if ( in_array( $pointer, $dismissed ) ) {
+	if ( in_array( $pointer, $dismissed, true ) ) {
 		wp_die( 0 );
 	}
 	$dismissed[] = $pointer;
 	$dismissed   = implode( ',', $dismissed );
 function wp_ajax_get_attachment() {
 	if ( ! isset( $_REQUEST['id'] ) ) {
 		wp_send_json_error();
 	}
-	if ( ! $id = absint( $_REQUEST['id'] ) ) {
+	$id = absint( $_REQUEST['id'] );
+	if ( ! $id ) {
 		wp_send_json_error();
 	}
-	if ( ! $post = get_post( $id ) ) {
+	$post = get_post( $id );
+	if ( ! $post ) {
 		wp_send_json_error();
 	}
-	if ( 'attachment' != $post->post_type ) {
+	if ( 'attachment' !== $post->post_type ) {
 		wp_send_json_error();
 	}
 	if ( ! current_user_can( 'upload_files' ) ) {
 		wp_send_json_error();
 	}
-	if ( ! $attachment = wp_prepare_attachment_for_js( $id ) ) {
+	$attachment = wp_prepare_attachment_for_js( $id );
+	if ( ! $attachment ) {
 		wp_send_json_error();
 	}
 	wp_send_json_success( $attachment );
 }
 		'post__in',
 		'post__not_in',
 		'year',
 		'monthnum',
 	);
 	foreach ( get_taxonomies_for_attachments( 'objects' ) as $t ) {
 		if ( $t->query_var && isset( $query[ $t->query_var ] ) ) {
 			$keys[] = $t->query_var;
 		}
 	}
 	$query              = array_intersect_key( $query, array_flip( $keys ) );
 	$query['post_type'] = 'attachment';
-	if ( MEDIA_TRASH
-		&& ! empty( $_REQUEST['query']['post_status'] )
+	if (
-		&& 'trash' === $_REQUEST['query']['post_status'] ) {
+		MEDIA_TRASH &&
+		! empty( $_REQUEST['query']['post_status'] ) &&
+		'trash' === $_REQUEST['query']['post_status']
+	) {
 		$query['post_status'] = 'trash';
 	} else {
 		$query['post_status'] = 'inherit';
 	}
 function wp_ajax_save_attachment() {
 	if ( ! isset( $_REQUEST['id'] ) || ! isset( $_REQUEST['changes'] ) ) {
 		wp_send_json_error();
 	}
-	if ( ! $id = absint( $_REQUEST['id'] ) ) {
+	$id = absint( $_REQUEST['id'] );
+	if ( ! $id ) {
 		wp_send_json_error();
 	}
 	check_ajax_referer( 'update-post_' . $id, 'nonce' );
 	}
 	$changes = $_REQUEST['changes'];
 	$post    = get_post( $id, ARRAY_A );
-	if ( 'attachment' != $post['post_type'] ) {
+	if ( 'attachment' !== $post['post_type'] ) {
 		wp_send_json_error();
 	}
 	if ( isset( $changes['parent'] ) ) {
 		$post['post_parent'] = $changes['parent'];
 		$post['post_status'] = $changes['status'];
 	}
 	if ( isset( $changes['alt'] ) ) {
 		$alt = wp_unslash( $changes['alt'] );
-		if ( $alt != get_post_meta( $id, '_wp_attachment_image_alt', true ) ) {
+		if ( get_post_meta( $id, '_wp_attachment_image_alt', true ) !== $alt ) {
 			$alt = wp_strip_all_tags( $alt, true );
 			update_post_meta( $id, '_wp_attachment_image_alt', wp_slash( $alt ) );
 		}
 	}
 	if ( wp_attachment_is( 'audio', $post['ID'] ) ) {
 		$changed = false;
 		$id3data = wp_get_attachment_metadata( $post['ID'] );
 		if ( ! is_array( $id3data ) ) {
 			$changed = true;
 			$id3data = array();
 		}
 		foreach ( wp_get_attachment_id3_keys( (object) $post, 'edit' ) as $key => $label ) {
 			if ( isset( $changes[ $key ] ) ) {
 				$changed         = true;
 				$id3data[ $key ] = sanitize_text_field( wp_unslash( $changes[ $key ] ) );
 			}
 function wp_ajax_save_attachment_compat() {
 	if ( ! isset( $_REQUEST['id'] ) ) {
 		wp_send_json_error();
 	}
-	if ( ! $id = absint( $_REQUEST['id'] ) ) {
+	$id = absint( $_REQUEST['id'] );
+	if ( ! $id ) {
 		wp_send_json_error();
 	}
 	if ( empty( $_REQUEST['attachments'] ) || empty( $_REQUEST['attachments'][ $id ] ) ) {
 		wp_send_json_error();
 	}
 	$attachment_data = $_REQUEST['attachments'][ $id ];
 	check_ajax_referer( 'update-post_' . $id, 'nonce' );
 	if ( ! current_user_can( 'edit_post', $id ) ) {
 		wp_send_json_error();
 	}
 	$post = get_post( $id, ARRAY_A );
-	if ( 'attachment' != $post['post_type'] ) {
+	if ( 'attachment' !== $post['post_type'] ) {
 		wp_send_json_error();
 	}
 	/** This filter is documented in wp-admin/includes/media.php */
 	$post = apply_filters( 'attachment_fields_to_save', $post, $attachment_data );
 		if ( isset( $attachment_data[ $taxonomy ] ) ) {
 			wp_set_object_terms( $id, array_map( 'trim', preg_split( '/,+/', $attachment_data[ $taxonomy ] ) ), $taxonomy, false );
 		}
 	}
-	if ( ! $attachment = wp_prepare_attachment_for_js( $id ) ) {
+	$attachment = wp_prepare_attachment_for_js( $id );
+	if ( ! $attachment ) {
 		wp_send_json_error();
 	}
 	wp_send_json_success( $attachment );
 }
 function wp_ajax_save_attachment_order() {
 	if ( ! isset( $_REQUEST['post_id'] ) ) {
 		wp_send_json_error();
 	}
-	if ( ! $post_id = absint( $_REQUEST['post_id'] ) ) {
+	$post_id = absint( $_REQUEST['post_id'] );
+	if ( ! $post_id ) {
 		wp_send_json_error();
 	}
 	if ( empty( $_REQUEST['attachments'] ) ) {
 		wp_send_json_error();
 	foreach ( $attachments as $attachment_id => $menu_order ) {
 		if ( ! current_user_can( 'edit_post', $attachment_id ) ) {
 			continue;
 		}
-		if ( ! $attachment = get_post( $attachment_id ) ) {
+		$attachment = get_post( $attachment_id );
+		if ( ! $attachment ) {
 			continue;
 		}
-		if ( 'attachment' != $attachment->post_type ) {
+		if ( 'attachment' !== $attachment->post_type ) {
 			continue;
 		}
 		wp_update_post(
 			array(
 	$attachment = wp_unslash( $_POST['attachment'] );
 	$id = intval( $attachment['id'] );
-	if ( ! $post = get_post( $id ) ) {
+	$post = get_post( $id );
+	if ( ! $post ) {
 		wp_send_json_error();
 	}
-	if ( 'attachment' != $post->post_type ) {
+	if ( 'attachment' !== $post->post_type ) {
 		wp_send_json_error();
 	}
 	if ( current_user_can( 'edit_post', $id ) ) {
 		// If this attachment is unattached, attach it. Primarily a back compat thing.
-		if ( 0 == $post->post_parent && $insert_into_post_id = intval( $_POST['post_id'] ) ) {
+		$insert_into_post_id = intval( $_POST['post_id'] );
+		if ( 0 == $post->post_parent && $insert_into_post_id ) {
 			wp_update_post(
 				array(
 					'ID'          => $id,
 					'post_parent' => $insert_into_post_id,
 				)
 		$html  = get_image_send_to_editor( $id, $caption, $title, $align, $url, $rel, $size, $alt );
 	} elseif ( wp_attachment_is( 'video', $post ) || wp_attachment_is( 'audio', $post ) ) {
 		$html = stripslashes_deep( $_POST['html'] );
 	} else {
 		$html = isset( $attachment['post_title'] ) ? $attachment['post_title'] : '';
-		$rel  = $rel ? ' rel="attachment wp-att-' . $id . '"' : ''; // Hard-coded string, $id is already sanitized
+		$rel  = $rel ? ' rel="attachment wp-att-' . $id . '"' : ''; // Hard-coded string, $id is already sanitized.
 		if ( ! empty( $url ) ) {
 			$html = '<a href="' . esc_url( $url ) . '"' . $rel . '>' . $html . '</a>';
 		}
 	}
 * - audio_send_to_editor_url
 * - video_send_to_editor_url
 *
 * @since 3.5.0
 *
-* @global WP_Post  $post
+* @global WP_Post  $post     Global post object.
 * @global WP_Embed $wp_embed
 */
 function wp_ajax_send_link_to_editor() {
 	global $post, $wp_embed;
 	check_ajax_referer( 'media-send-to-editor', 'nonce' );
-	if ( ! $src = wp_unslash( $_POST['src'] ) ) {
+	$src = wp_unslash( $_POST['src'] );
+	if ( ! $src ) {
 		wp_send_json_error();
 	}
 	if ( ! strpos( $src, '://' ) ) {
 		$src = 'http://' . $src;
 	}
-	if ( ! $src = esc_url_raw( $src ) ) {
+	$src = esc_url_raw( $src );
+	if ( ! $src ) {
 		wp_send_json_error();
 	}
-	if ( ! $link_text = trim( wp_unslash( $_POST['link_text'] ) ) ) {
+	$link_text = trim( wp_unslash( $_POST['link_text'] ) );
+	if ( ! $link_text ) {
 		$link_text = wp_basename( $src );
 	}
 	$post = get_post( isset( $_POST['post_id'] ) ? $_POST['post_id'] : 0 );
 	// Fallback that WordPress creates when no oEmbed was found.
 	$fallback = $wp_embed->maybe_make_link( $src );
 	if ( $check_embed !== $fallback ) {
-		// TinyMCE view for [embed] will parse this
+		// TinyMCE view for [embed] will parse this.
 		$html = '[embed]' . $src . '[/embed]';
 	} elseif ( $link_text ) {
 		$html = '<a href="' . esc_url( $src ) . '">' . $link_text . '</a>';
 	} else {
 		$html = '';
 	}
 	// Figure out what filter to run:
 	$type = 'file';
-	if ( ( $ext = preg_replace( '/^.+?\.([^.]+)$/', '$1', $src ) ) && ( $ext_type = wp_ext2type( $ext ) )
+	$ext  = preg_replace( '/^.+?\.([^.]+)$/', '$1', $src );
-		&& ( 'audio' == $ext_type || 'video' == $ext_type ) ) {
+	if ( $ext ) {
+		$ext_type = wp_ext2type( $ext );
+		if ( 'audio' === $ext_type || 'video' === $ext_type ) {
 			$type = $ext_type;
+		}
 	}
 	/** This filter is documented in wp-admin/includes/media.php */
 	$html = apply_filters( "{$type}_send_to_editor_url", $html, $src, $link_text );
 function wp_ajax_heartbeat() {
 	if ( empty( $_POST['_nonce'] ) ) {
 		wp_send_json_error();
 	}
-	$response    = $data = array();
+	$response    = array();
+	$data        = array();
 	$nonce_state = wp_verify_nonce( $_POST['_nonce'], 'heartbeat-nonce' );
-	// screen_id is the same as $current_screen->id and the JS global 'pagenow'.
+	// 'screen_id' is the same as $current_screen->id and the JS global 'pagenow'.
 	if ( ! empty( $_POST['screen_id'] ) ) {
 		$screen_id = sanitize_key( $_POST['screen_id'] );
 	} else {
 		$screen_id = 'front';
 	}
 		 *
 		 * @since 4.3.0
 		 *
 		 * @param array  $response  The Heartbeat response.
 		 * @param array  $data      The $_POST data sent.
-		 * @param string $screen_id The screen id.
+		 * @param string $screen_id The screen ID.
 		 */
 		$response = apply_filters( 'wp_refresh_nonces', $response, $data, $screen_id );
 		if ( false === $nonce_state ) {
 			// User is logged in but nonces have expired.
 		 *
 		 * @since 3.6.0
 		 *
 		 * @param array  $response  The Heartbeat response.
 		 * @param array  $data      The $_POST data sent.
-		 * @param string $screen_id The screen id.
+		 * @param string $screen_id The screen ID.
 		 */
 		$response = apply_filters( 'heartbeat_received', $response, $data, $screen_id );
 	}
 	/**
 	 * Filters the Heartbeat response sent.
 	 *
 	 * @since 3.6.0
 	 *
 	 * @param array  $response  The Heartbeat response.
-	 * @param string $screen_id The screen id.
+	 * @param string $screen_id The screen ID.
 	 */
 	$response = apply_filters( 'heartbeat_send', $response, $screen_id );
 	/**
 	 * Fires when Heartbeat ticks in logged-in environments.
 	 * Allows the transport to be easily replaced with long-polling.
 	 *
 	 * @since 3.6.0
 	 *
 	 * @param array  $response  The Heartbeat response.
-	 * @param string $screen_id The screen id.
+	 * @param string $screen_id The screen ID.
 	 */
 	do_action( 'heartbeat_tick', $response, $screen_id );
-	// Send the current time according to the server
+	// Send the current time according to the server.
 	$response['server_time'] = time();
 	wp_send_json( $response );
 }
 * @since 3.6.0
 */
 function wp_ajax_get_revision_diffs() {
 	require ABSPATH . 'wp-admin/includes/revision.php';
-	if ( ! $post = get_post( (int) $_REQUEST['post_id'] ) ) {
+	$post = get_post( (int) $_REQUEST['post_id'] );
+	if ( ! $post ) {
 		wp_send_json_error();
 	}
 	if ( ! current_user_can( 'edit_post', $post->ID ) ) {
 		wp_send_json_error();
 	}
 	// Really just pre-loading the cache here.
-	if ( ! $revisions = wp_get_post_revisions( $post->ID, array( 'check_enabled' => false ) ) ) {
+	$revisions = wp_get_post_revisions( $post->ID, array( 'check_enabled' => false ) );
+	if ( ! $revisions ) {
 		wp_send_json_error();
 	}
 	$return = array();
-	@set_time_limit( 0 );
+	set_time_limit( 0 );
 	foreach ( $_REQUEST['compare'] as $compare_key ) {
 		list( $compare_from, $compare_to ) = explode( ':', $compare_key ); // from:to
 		$return[] = array(
 	if ( is_wp_error( $api ) ) {
 		wp_send_json_error();
 	}
 	$update_php = network_admin_url( 'update.php?action=install-theme' );
 	foreach ( $api->themes as &$theme ) {
 		$theme->install_url = add_query_arg(
 			array(
 				'theme'    => $theme->slug,
 				'_wpnonce' => wp_create_nonce( 'install-theme_' . $theme->slug ),
 		$theme->name        = wp_kses( $theme->name, $themes_allowedtags );
 		$theme->author      = wp_kses( $theme->author['display_name'], $themes_allowedtags );
 		$theme->version     = wp_kses( $theme->version, $themes_allowedtags );
 		$theme->description = wp_kses( $theme->description, $themes_allowedtags );
-		$theme->stars       = wp_star_rating(
+		$theme->stars = wp_star_rating(
 			array(
 				'rating' => $theme->rating,
 				'type'   => 'percent',
 				'number' => $theme->num_ratings,
 				'echo'   => false,
 			)
 		);
-		$theme->num_ratings = number_format_i18n( $theme->num_ratings );
-		$theme->preview_url = set_url_scheme( $theme->preview_url );
+		$theme->num_ratings    = number_format_i18n( $theme->num_ratings );
+		$theme->preview_url    = set_url_scheme( $theme->preview_url );
+		$theme->compatible_wp  = is_wp_version_compatible( $theme->requires );
+		$theme->compatible_php = is_php_version_compatible( $theme->requires_php );
 	}
 	wp_send_json_success( $api );
 }
 /**
 * Apply [embed] Ajax handlers to a string.
 *
 * @since 4.0.0
 *
-* @global WP_Post    $post       Global $post.
+* @global WP_Post    $post       Global post object.
 * @global WP_Embed   $wp_embed   Embed API instance.
 * @global WP_Scripts $wp_scripts
 * @global int        $content_width
 */
 function wp_ajax_parse_embed() {
 	global $post, $wp_embed, $content_width;
 	if ( empty( $_POST['shortcode'] ) ) {
 		wp_send_json_error();
 	}
 	$post_id = isset( $_POST['post_ID'] ) ? intval( $_POST['post_ID'] ) : 0;
 	if ( $post_id > 0 ) {
 		$post = get_post( $post_id );
 		if ( ! $post || ! current_user_can( 'edit_post', $post->ID ) ) {
 			wp_send_json_error();
 		}
 		setup_postdata( $post );
 	} elseif ( ! current_user_can( 'edit_posts' ) ) { // See WP_oEmbed_Controller::get_proxy_item_permissions_check().
 	$shortcode = wp_unslash( $_POST['shortcode'] );
 	preg_match( '/' . get_shortcode_regex() . '/s', $shortcode, $matches );
 	$atts = shortcode_parse_atts( $matches[3] );
 	if ( ! empty( $matches[5] ) ) {
 		$url = $matches[5];
 	} elseif ( ! empty( $atts['src'] ) ) {
 		$url = $atts['src'];
 	} else {
 	if ( ! $parsed ) {
 		wp_send_json_error(
 			array(
 				'type'    => 'not-embeddable',
-				/* translators: %s: URL which cannot be embedded, between code tags */
+				/* translators: %s: URL that could not be embedded. */
 				'message' => sprintf( __( '%s failed to embed.' ), '<code>' . esc_html( $url ) . '</code>' ),
 			)
 		);
 	}
 	if ( has_shortcode( $parsed, 'audio' ) || has_shortcode( $parsed, 'video' ) ) {
 		$styles     = '';
 		$mce_styles = wpview_media_sandbox_styles();
 		foreach ( $mce_styles as $style ) {
 			$styles .= sprintf( '<link rel="stylesheet" href="%s"/>', $style );
 		}
 		$html = do_shortcode( $parsed );
 		global $wp_scripts;
 		if ( ! empty( $wp_scripts ) ) {
 			$wp_scripts->done = array();
 		}
 		ob_start();
 		wp_print_scripts( array( 'mediaelement-vimeo', 'wp-mediaelement' ) );
 		$scripts = ob_get_clean();
 		$parsed = $styles . $html . $scripts;
 }
 /**
 * @since 4.0.0
 *
-* @global WP_Post    $post
+* @global WP_Post    $post       Global post object.
 * @global WP_Scripts $wp_scripts
 */
 function wp_ajax_parse_media_shortcode() {
 	global $post, $wp_scripts;
 	if ( ! empty( $_POST['post_ID'] ) ) {
 		$post = get_post( (int) $_POST['post_ID'] );
 	}
-	// the embed shortcode requires a post
+	// The embed shortcode requires a post.
 	if ( ! $post || ! current_user_can( 'edit_post', $post->ID ) ) {
 		if ( 'embed' === $shortcode ) {
 			wp_send_json_error();
 		}
 	} else {
 *
 * @since 4.1.0
 */
 function wp_ajax_destroy_sessions() {
 	$user = get_userdata( (int) $_POST['user_id'] );
 	if ( $user ) {
 		if ( ! current_user_can( 'edit_user', $user->ID ) ) {
 			$user = false;
 		} elseif ( ! wp_verify_nonce( $_POST['nonce'], 'update-user_' . $user->ID ) ) {
 			$user = false;
 		);
 	}
 	$sessions = WP_Session_Tokens::get_instance( $user->ID );
-	if ( $user->ID === get_current_user_id() ) {
+	if ( get_current_user_id() === $user->ID ) {
 		$sessions->destroy_others( wp_get_session_token() );
 		$message = __( 'You are now logged out everywhere else.' );
 	} else {
 		$sessions->destroy_all();
 		/* translators: %s: User's display name. */
 */
 function wp_ajax_crop_image() {
 	$attachment_id = absint( $_POST['id'] );
 	check_ajax_referer( 'image_editor-' . $attachment_id, 'nonce' );
 	if ( empty( $attachment_id ) || ! current_user_can( 'edit_post', $attachment_id ) ) {
 		wp_send_json_error();
 	}
 	$context = str_replace( '_', '-', $_POST['context'] );
 				// Additional sizes in wp_prepare_attachment_for_js().
 				add_filter( 'image_size_names_choose', array( $wp_site_icon, 'additional_sizes' ) );
 				break;
 			}
-			/** This filter is documented in wp-admin/custom-header.php */
+			/** This filter is documented in wp-admin/includes/class-custom-image-header.php */
 			$cropped = apply_filters( 'wp_create_file_in_uploads', $cropped, $attachment_id ); // For replication.
 			$object  = $wp_site_icon->create_attachment_object( $cropped, $attachment_id );
 			unset( $object['ID'] );
 			// Update the attachment.
 			 * @param int    $attachment_id The attachment ID of the original image.
 			 * @param string $cropped       Path to the cropped image file.
 			 */
 			do_action( 'wp_ajax_crop_image_pre_save', $context, $attachment_id, $cropped );
-			/** This filter is documented in wp-admin/custom-header.php */
+			/** This filter is documented in wp-admin/includes/class-custom-image-header.php */
 			$cropped = apply_filters( 'wp_create_file_in_uploads', $cropped, $attachment_id ); // For replication.
 			$parent_url = wp_get_attachment_url( $attachment_id );
 			$url        = str_replace( wp_basename( $parent_url ), wp_basename( $cropped ), $parent_url );
 	if ( ! current_user_can( 'install_themes' ) ) {
 		$status['errorMessage'] = __( 'Sorry, you are not allowed to install themes on this site.' );
 		wp_send_json_error( $status );
 	}
-	include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
+	require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
-	include_once( ABSPATH . 'wp-admin/includes/theme.php' );
+	include_once ABSPATH . 'wp-admin/includes/theme.php';
 	$api = themes_api(
 		'theme_information',
 		array(
 			'slug'   => $slug,
 	$theme = wp_get_theme( $stylesheet );
 	if ( $theme->exists() ) {
 		$status['oldVersion'] = $theme->get( 'Version' );
 	}
-	include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
+	require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
 	$current = get_site_transient( 'update_themes' );
 	if ( empty( $current ) ) {
 		wp_update_themes();
 	}
 		wp_send_json_error( $status );
 	}
 	// An unhandled error occurred.
-	$status['errorMessage'] = __( 'Update failed.' );
+	$status['errorMessage'] = __( 'Theme update failed.' );
 	wp_send_json_error( $status );
 }
 /**
 * Ajax handler for deleting a theme.
 		wp_send_json_error( $status );
 	}
 	// Check filesystem credentials. `delete_theme()` will bail otherwise.
 	$url = wp_nonce_url( 'themes.php?action=delete&stylesheet=' . urlencode( $stylesheet ), 'delete-theme_' . $stylesheet );
 	ob_start();
 	$credentials = request_filesystem_credentials( $url );
 	ob_end_clean();
 	if ( false === $credentials || ! WP_Filesystem( $credentials ) ) {
 		global $wp_filesystem;
 		$status['errorCode']    = 'unable_to_connect_to_filesystem';
 		$status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );
 		}
 		wp_send_json_error( $status );
 	}
-	include_once( ABSPATH . 'wp-admin/includes/theme.php' );
+	include_once ABSPATH . 'wp-admin/includes/theme.php';
 	$result = delete_theme( $stylesheet );
 	if ( is_wp_error( $result ) ) {
 		$status['errorMessage'] = $result->get_error_message();
 	if ( ! current_user_can( 'install_plugins' ) ) {
 		$status['errorMessage'] = __( 'Sorry, you are not allowed to install plugins on this site.' );
 		wp_send_json_error( $status );
 	}
-	include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
+	require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
-	include_once( ABSPATH . 'wp-admin/includes/plugin-install.php' );
+	include_once ABSPATH . 'wp-admin/includes/plugin-install.php';
 	$api = plugins_api(
 		'plugin_information',
 		array(
 			'slug'   => sanitize_key( wp_unslash( $_POST['slug'] ) ),
 	$plugin_data          = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
 	$status['plugin']     = $plugin;
 	$status['pluginName'] = $plugin_data['Name'];
 	if ( $plugin_data['Version'] ) {
-		/* translators: %s: Plugin version */
+		/* translators: %s: Plugin version. */
 		$status['oldVersion'] = sprintf( __( 'Version %s' ), $plugin_data['Version'] );
 	}
-	include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
+	require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
 	wp_update_plugins();
 	$skin     = new WP_Ajax_Upgrader_Skin();
 	$upgrader = new Plugin_Upgrader( $skin );
 		wp_send_json_error( $status );
 	} elseif ( $skin->get_errors()->has_errors() ) {
 		$status['errorMessage'] = $skin->get_error_messages();
 		wp_send_json_error( $status );
 	} elseif ( is_array( $result ) && ! empty( $result[ $plugin ] ) ) {
-		$plugin_update_data = current( $result );
 		/*
-		 * If the `update_plugins` site transient is empty (e.g. when you update
+		 * Plugin is already at the latest version.
-		 * two plugins in quick succession before the transient repopulates),
+		 *
-		 * this may be the return.
+		 * This may also be the return value if the `update_plugins` site transient is empty,
+		 * e.g. when you update two plugins in quick succession before the transient repopulates.
 		 *
 		 * Preferably something can be done to ensure `update_plugins` isn't empty.
 		 * For now, surface some sort of error here.
 		 */
-		if ( true === $plugin_update_data ) {
+		if ( true === $result[ $plugin ] ) {
-			$status['errorMessage'] = __( 'Plugin update failed.' );
+			$status['errorMessage'] = $upgrader->strings['up_to_date'];
 			wp_send_json_error( $status );
 		}
 		$plugin_data = get_plugins( '/' . $result[ $plugin ]['destination_name'] );
 		$plugin_data = reset( $plugin_data );
 		if ( $plugin_data['Version'] ) {
-			/* translators: %s: Plugin version */
+			/* translators: %s: Plugin version. */
 			$status['newVersion'] = sprintf( __( 'Version %s' ), $plugin_data['Version'] );
 		}
 		wp_send_json_success( $status );
 	} elseif ( false === $result ) {
 		global $wp_filesystem;
 		$status['errorCode']    = 'unable_to_connect_to_filesystem';
 		wp_send_json_error( $status );
 	}
 	// Check filesystem credentials. `delete_plugins()` will bail otherwise.
 	$url = wp_nonce_url( 'plugins.php?action=delete-selected&verify-delete=1&checked[]=' . $plugin, 'bulk-plugins' );
 	ob_start();
 	$credentials = request_filesystem_credentials( $url );
 	ob_end_clean();
 	if ( false === $credentials || ! WP_Filesystem( $credentials ) ) {
 		global $wp_filesystem;
 		$status['errorCode']    = 'unable_to_connect_to_filesystem';
 		$status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );
 *
 * @global string $s Search term.
 */
 function wp_ajax_search_plugins() {
 	check_ajax_referer( 'updates' );
+	// Ensure after_plugin_row_{$plugin_file} gets hooked.
+	wp_plugin_update_rows();
 	$pagenow = isset( $_POST['pagenow'] ) ? sanitize_key( $_POST['pagenow'] ) : '';
 	if ( 'plugins-network' === $pagenow || 'plugins' === $pagenow ) {
 		set_current_screen( $pagenow );
 	}
 /**
 * Ajax handler for editing a theme or plugin file.
 *
 * @since 4.9.0
+*
 * @see wp_edit_theme_plugin_file()
 */
 function wp_ajax_edit_theme_plugin_file() {
 	$r = wp_edit_theme_plugin_file( wp_unslash( $_POST ) ); // Validation of args is done in wp_edit_theme_plugin_file().
 	if ( is_wp_error( $r ) ) {
 		wp_send_json_error(
 			array_merge(
 				array(
 					'code'    => $r->get_error_code(),
 function wp_ajax_wp_privacy_export_personal_data() {
 	if ( empty( $_POST['id'] ) ) {
 		wp_send_json_error( __( 'Missing request ID.' ) );
 	}
 	$request_id = (int) $_POST['id'];
 	if ( $request_id < 1 ) {
 		wp_send_json_error( __( 'Invalid request ID.' ) );
 	}
 		wp_send_json_error( __( 'Sorry, you are not allowed to perform this action.' ) );
 	}
 	check_ajax_referer( 'wp-privacy-export-personal-data-' . $request_id, 'security' );
-	// Get the request data.
+	// Get the request.
-	$request = wp_get_user_request_data( $request_id );
+	$request = wp_get_user_request( $request_id );
 	if ( ! $request || 'export_personal_data' !== $request->action_name ) {
 		wp_send_json_error( __( 'Invalid request type.' ) );
 	}
 	}
 	if ( ! isset( $_POST['exporter'] ) ) {
 		wp_send_json_error( __( 'Missing exporter index.' ) );
 	}
 	$exporter_index = (int) $_POST['exporter'];
 	if ( ! isset( $_POST['page'] ) ) {
 		wp_send_json_error( __( 'Missing page index.' ) );
 	}
 	$page = (int) $_POST['page'];
 	$send_as_email = isset( $_POST['sendAsEmail'] ) ? ( 'true' === $_POST['sendAsEmail'] ) : false;
 	/**
 	 * @since 4.9.6
 	 *
 	 * @param array $args {
 	 *     An array of callable exporters of personal data. Default empty array.
 	 *
-	 *     @type array {
+	 *     @type array ...$0 {
 	 *         Array of personal data exporters.
 	 *
-	 *         @type string $callback               Callable exporter function that accepts an
+	 *         @type callable $callback               Callable exporter function that accepts an
-	 *                                              email address and a page and returns an array
+	 *                                                email address and a page and returns an array
-	 *                                              of name => value pairs of personal data.
+	 *                                                of name => value pairs of personal data.
-	 *         @type string $exporter_friendly_name Translated user facing friendly name for the
+	 *         @type string   $exporter_friendly_name Translated user facing friendly name for the
-	 *                                              exporter.
+	 *                                                exporter.
 	 *     }
 	 * }
 	 */
 	$exporters = apply_filters( 'wp_privacy_personal_data_exporters', array() );
 		$exporter_key  = $exporter_keys[ $exporter_index - 1 ];
 		$exporter      = $exporters[ $exporter_key ];
 		if ( ! is_array( $exporter ) ) {
 			wp_send_json_error(
-				/* translators: %s: exporter array index */
+				/* translators: %s: Exporter array index. */
 				sprintf( __( 'Expected an array describing the exporter at index %s.' ), $exporter_key )
 			);
 		}
 		if ( ! array_key_exists( 'exporter_friendly_name', $exporter ) ) {
 			wp_send_json_error(
-				/* translators: %s: exporter array index */
+				/* translators: %s: Exporter array index. */
 				sprintf( __( 'Exporter array at index %s does not include a friendly name.' ), $exporter_key )
 			);
 		}
 		$exporter_friendly_name = $exporter['exporter_friendly_name'];
 		if ( ! array_key_exists( 'callback', $exporter ) ) {
 			wp_send_json_error(
-				/* translators: %s: exporter friendly name */
+				/* translators: %s: Exporter friendly name. */
 				sprintf( __( 'Exporter does not include a callback: %s.' ), esc_html( $exporter_friendly_name ) )
 			);
 		}
 		if ( ! is_callable( $exporter['callback'] ) ) {
 			wp_send_json_error(
-				/* translators: %s: exporter friendly name */
+				/* translators: %s: Exporter friendly name. */
 				sprintf( __( 'Exporter callback is not a valid callback: %s.' ), esc_html( $exporter_friendly_name ) )
 			);
 		}
 		$callback = $exporter['callback'];
 			wp_send_json_error( $response );
 		}
 		if ( ! is_array( $response ) ) {
 			wp_send_json_error(
-				/* translators: %s: exporter friendly name */
+				/* translators: %s: Exporter friendly name. */
 				sprintf( __( 'Expected response as an array from exporter: %s.' ), esc_html( $exporter_friendly_name ) )
 			);
 		}
 		if ( ! array_key_exists( 'data', $response ) ) {
 			wp_send_json_error(
-				/* translators: %s: exporter friendly name */
+				/* translators: %s: Exporter friendly name. */
 				sprintf( __( 'Expected data in response array from exporter: %s.' ), esc_html( $exporter_friendly_name ) )
 			);
 		}
 		if ( ! is_array( $response['data'] ) ) {
 			wp_send_json_error(
-				/* translators: %s: exporter friendly name */
+				/* translators: %s: Exporter friendly name. */
 				sprintf( __( 'Expected data array in response array from exporter: %s.' ), esc_html( $exporter_friendly_name ) )
 			);
 		}
 		if ( ! array_key_exists( 'done', $response ) ) {
 			wp_send_json_error(
-				/* translators: %s: exporter friendly name */
+				/* translators: %s: Exporter friendly name. */
 				sprintf( __( 'Expected done (boolean) in response array from exporter: %s.' ), esc_html( $exporter_friendly_name ) )
 			);
 		}
 	} else {
 		// No exporters, so we're done.
 		wp_send_json_error( __( 'Sorry, you are not allowed to perform this action.' ) );
 	}
 	check_ajax_referer( 'wp-privacy-erase-personal-data-' . $request_id, 'security' );
-	// Get the request data.
+	// Get the request.
-	$request = wp_get_user_request_data( $request_id );
+	$request = wp_get_user_request( $request_id );
 	if ( ! $request || 'remove_personal_data' !== $request->action_name ) {
 		wp_send_json_error( __( 'Invalid request type.' ) );
 	}
 	 * @since 4.9.6
 	 *
 	 * @param array $args {
 	 *     An array of callable erasers of personal data. Default empty array.
 	 *
-	 *     @type array {
+	 *     @type array ...$0 {
 	 *         Array of personal data exporters.
 	 *
-	 *         @type string $callback               Callable eraser that accepts an email address and
+	 *         @type callable $callback               Callable eraser that accepts an email address and
-	 *                                              a page and returns an array with boolean values for
+	 *                                                a page and returns an array with boolean values for
-	 *                                              whether items were removed or retained and any messages
+	 *                                                whether items were removed or retained and any messages
-	 *                                              from the eraser, as well as if additional pages are
+	 *                                                from the eraser, as well as if additional pages are
-	 *                                              available.
+	 *                                                available.
-	 *         @type string $exporter_friendly_name Translated user facing friendly name for the eraser.
+	 *         @type string   $exporter_friendly_name Translated user facing friendly name for the eraser.
 	 *     }
 	 * }
 	 */
 	$erasers = apply_filters( 'wp_privacy_personal_data_erasers', array() );
 		$eraser_keys = array_keys( $erasers );
 		$eraser_key  = $eraser_keys[ $eraser_index - 1 ];
 		$eraser      = $erasers[ $eraser_key ];
 		if ( ! is_array( $eraser ) ) {
-			/* translators: %d: eraser array index */
+			/* translators: %d: Eraser array index. */
 			wp_send_json_error( sprintf( __( 'Expected an array describing the eraser at index %d.' ), $eraser_index ) );
 		}
 		if ( ! array_key_exists( 'eraser_friendly_name', $eraser ) ) {
-			/* translators: %d: eraser array index */
+			/* translators: %d: Eraser array index. */
 			wp_send_json_error( sprintf( __( 'Eraser array at index %d does not include a friendly name.' ), $eraser_index ) );
 		}
 		$eraser_friendly_name = $eraser['eraser_friendly_name'];
 		if ( ! array_key_exists( 'callback', $eraser ) ) {
 			wp_send_json_error(
 				sprintf(
-					/* translators: %s: eraser friendly name */
+					/* translators: %s: Eraser friendly name. */
 					__( 'Eraser does not include a callback: %s.' ),
 					esc_html( $eraser_friendly_name )
 				)
 			);
 		}
 		if ( ! is_callable( $eraser['callback'] ) ) {
 			wp_send_json_error(
 				sprintf(
-					/* translators: %s: eraser friendly name */
+					/* translators: %s: Eraser friendly name. */
 					__( 'Eraser callback is not valid: %s.' ),
 					esc_html( $eraser_friendly_name )
 				)
 			);
 		}
 		}
 		if ( ! is_array( $response ) ) {
 			wp_send_json_error(
 				sprintf(
-					/* translators: 1: eraser friendly name, 2: eraser array index */
+					/* translators: 1: Eraser friendly name, 2: Eraser array index. */
 					__( 'Did not receive array from %1$s eraser (index %2$d).' ),
 					esc_html( $eraser_friendly_name ),
 					$eraser_index
 				)
 			);
 		}
 		if ( ! array_key_exists( 'items_removed', $response ) ) {
 			wp_send_json_error(
 				sprintf(
-					/* translators: 1: eraser friendly name, 2: eraser array index */
+					/* translators: 1: Eraser friendly name, 2: Eraser array index. */
 					__( 'Expected items_removed key in response array from %1$s eraser (index %2$d).' ),
 					esc_html( $eraser_friendly_name ),
 					$eraser_index
 				)
 			);
 		}
 		if ( ! array_key_exists( 'items_retained', $response ) ) {
 			wp_send_json_error(
 				sprintf(
-					/* translators: 1: eraser friendly name, 2: eraser array index */
+					/* translators: 1: Eraser friendly name, 2: Eraser array index. */
 					__( 'Expected items_retained key in response array from %1$s eraser (index %2$d).' ),
 					esc_html( $eraser_friendly_name ),
 					$eraser_index
 				)
 			);
 		}
 		if ( ! array_key_exists( 'messages', $response ) ) {
 			wp_send_json_error(
 				sprintf(
-					/* translators: 1: eraser friendly name, 2: eraser array index */
+					/* translators: 1: Eraser friendly name, 2: Eraser array index. */
 					__( 'Expected messages key in response array from %1$s eraser (index %2$d).' ),
 					esc_html( $eraser_friendly_name ),
 					$eraser_index
 				)
 			);
 		}
 		if ( ! is_array( $response['messages'] ) ) {
 			wp_send_json_error(
 				sprintf(
-					/* translators: 1: eraser friendly name, 2: eraser array index */
+					/* translators: 1: Eraser friendly name, 2: Eraser array index. */
 					__( 'Expected messages key to reference an array in response array from %1$s eraser (index %2$d).' ),
 					esc_html( $eraser_friendly_name ),
 					$eraser_index
 				)
 			);
 		}
 		if ( ! array_key_exists( 'done', $response ) ) {
 			wp_send_json_error(
 				sprintf(
-					/* translators: 1: eraser friendly name, 2: eraser array index */
+					/* translators: 1: Eraser friendly name, 2: Eraser array index. */
 					__( 'Expected done flag in response array from %1$s eraser (index %2$d).' ),
 					esc_html( $eraser_friendly_name ),
 					$eraser_index
 				)
 			);
 	if ( ! current_user_can( 'view_site_health_checks' ) ) {
 		wp_send_json_error();
 	}
 	if ( ! class_exists( 'WP_Site_Health' ) ) {
-		require_once( ABSPATH . 'wp-admin/includes/class-wp-site-health.php' );
+		require_once ABSPATH . 'wp-admin/includes/class-wp-site-health.php';
 	}
-	$site_health = new WP_Site_Health();
+	$site_health = WP_Site_Health::get_instance();
 	wp_send_json_success( $site_health->get_test_dotorg_communication() );
 }
 /**
 * Ajax handler for site health checks on debug mode.
 	if ( ! current_user_can( 'view_site_health_checks' ) ) {
 		wp_send_json_error();
 	}
 	if ( ! class_exists( 'WP_Site_Health' ) ) {
-		require_once( ABSPATH . 'wp-admin/includes/class-wp-site-health.php' );
+		require_once ABSPATH . 'wp-admin/includes/class-wp-site-health.php';
 	}
-	$site_health = new WP_Site_Health();
+	$site_health = WP_Site_Health::get_instance();
 	wp_send_json_success( $site_health->get_test_is_in_debug_mode() );
 }
 /**
 * Ajax handler for site health checks on background updates.
 	if ( ! current_user_can( 'view_site_health_checks' ) ) {
 		wp_send_json_error();
 	}
 	if ( ! class_exists( 'WP_Site_Health' ) ) {
-		require_once( ABSPATH . 'wp-admin/includes/class-wp-site-health.php' );
+		require_once ABSPATH . 'wp-admin/includes/class-wp-site-health.php';
 	}
-	$site_health = new WP_Site_Health();
+	$site_health = WP_Site_Health::get_instance();
 	wp_send_json_success( $site_health->get_test_background_updates() );
 }
 /**
 * Ajax handler for site health checks on loopback requests.
 *
 * @since 5.2.0
 	if ( ! current_user_can( 'view_site_health_checks' ) ) {
 		wp_send_json_error();
 	}
 	if ( ! class_exists( 'WP_Site_Health' ) ) {
-		require_once( ABSPATH . 'wp-admin/includes/class-wp-site-health.php' );
+		require_once ABSPATH . 'wp-admin/includes/class-wp-site-health.php';
 	}
-	$site_health = new WP_Site_Health();
+	$site_health = WP_Site_Health::get_instance();
 	wp_send_json_success( $site_health->get_test_loopback_requests() );
 }
 /**
 * Ajax handler for site health check to update the result status.
 	if ( ! current_user_can( 'view_site_health_checks' ) || is_multisite() ) {
 		wp_send_json_error();
 	}
 	if ( ! class_exists( 'WP_Debug_Data' ) ) {
-		require_once( ABSPATH . 'wp-admin/includes/class-wp-debug-data.php' );
+		require_once ABSPATH . 'wp-admin/includes/class-wp-debug-data.php';
 	}
 	$sizes_data = WP_Debug_Data::get_sizes();
 	$all_sizes  = array( 'raw' => 0 );
 		wp_send_json_error( $all_sizes );
 	}
 	wp_send_json_success( $all_sizes );
 }
+/**
+* Ajax handler to renew the REST API nonce.
+*
+* @since 5.3.0
+*/
+function wp_ajax_rest_nonce() {
+	exit( wp_create_nonce( 'wp_rest' ) );
+}
+/**
+* Ajax handler to enable or disable plugin and theme auto-updates.
+*
+* @since 5.5.0
+*/
+function wp_ajax_toggle_auto_updates() {
+	check_ajax_referer( 'updates' );
+	if ( empty( $_POST['type'] ) || empty( $_POST['asset'] ) || empty( $_POST['state'] ) ) {
+		wp_send_json_error( array( 'error' => __( 'Invalid data. No selected item.' ) ) );
+	}
+	$asset = sanitize_text_field( urldecode( $_POST['asset'] ) );
+	if ( 'enable' !== $_POST['state'] && 'disable' !== $_POST['state'] ) {
+		wp_send_json_error( array( 'error' => __( 'Invalid data. Unknown state.' ) ) );
+	}
+	$state = $_POST['state'];
+	if ( 'plugin' !== $_POST['type'] && 'theme' !== $_POST['type'] ) {
+		wp_send_json_error( array( 'error' => __( 'Invalid data. Unknown type.' ) ) );
+	}
+	$type = $_POST['type'];
+	switch ( $type ) {
+		case 'plugin':
+			if ( ! current_user_can( 'update_plugins' ) ) {
+				$error_message = __( 'Sorry, you are not allowed to modify plugins.' );
+				wp_send_json_error( array( 'error' => $error_message ) );
+			}
+			$option = 'auto_update_plugins';
+			/** This filter is documented in wp-admin/includes/class-wp-plugins-list-table.php */
+			$all_items = apply_filters( 'all_plugins', get_plugins() );
+			break;
+		case 'theme':
+			if ( ! current_user_can( 'update_themes' ) ) {
+				$error_message = __( 'Sorry, you are not allowed to modify themes.' );
+				wp_send_json_error( array( 'error' => $error_message ) );
+			}
+			$option    = 'auto_update_themes';
+			$all_items = wp_get_themes();
+			break;
+		default:
+			wp_send_json_error( array( 'error' => __( 'Invalid data. Unknown type.' ) ) );
+	}
+	if ( ! array_key_exists( $asset, $all_items ) ) {
+		$error_message = __( 'Invalid data. The item does not exist.' );
+		wp_send_json_error( array( 'error' => $error_message ) );
+	}
+	$auto_updates = (array) get_site_option( $option, array() );
+	if ( 'disable' === $state ) {
+		$auto_updates = array_diff( $auto_updates, array( $asset ) );
+	} else {
+		$auto_updates[] = $asset;
+		$auto_updates   = array_unique( $auto_updates );
+	}
+	// Remove items that have been deleted since the site option was last updated.
+	$auto_updates = array_intersect( $auto_updates, array_keys( $all_items ) );
+	update_site_option( $option, $auto_updates );
+	wp_send_json_success();
+}

changeset 16	a86126ab1dd4
parent 9	177826044cd9
child 18	be944660c56a