wp/wp-admin/includes/update-core.php
changeset 21 48c4eec2b7e6
parent 19 3d72ae0968f4
child 22 8c2e4d02f4ef
equal deleted inserted replaced
20:7b1b88e27a20 21:48c4eec2b7e6
     7  * @since 2.7.0
     7  * @since 2.7.0
     8  */
     8  */
     9 
     9 
    10 /**
    10 /**
    11  * Stores files to be deleted.
    11  * Stores files to be deleted.
       
    12  *
       
    13  * Bundled theme files should not be included in this list.
    12  *
    14  *
    13  * @since 2.7.0
    15  * @since 2.7.0
    14  *
    16  *
    15  * @global array $_old_files
    17  * @global array $_old_files
    16  * @var array
    18  * @var array
    33 	'wp-images/header-shadow.png',
    35 	'wp-images/header-shadow.png',
    34 	'wp-images/smilies',
    36 	'wp-images/smilies',
    35 	'wp-images/wp-small.png',
    37 	'wp-images/wp-small.png',
    36 	'wp-images/wpminilogo.png',
    38 	'wp-images/wpminilogo.png',
    37 	'wp.php',
    39 	'wp.php',
    38 	// 2.0.8
       
    39 	'wp-includes/js/tinymce/plugins/inlinepopups/readme.txt',
       
    40 	// 2.1
    40 	// 2.1
    41 	'wp-admin/edit-form-ajax-cat.php',
    41 	'wp-admin/edit-form-ajax-cat.php',
    42 	'wp-admin/execute-pings.php',
    42 	'wp-admin/execute-pings.php',
    43 	'wp-admin/inline-uploading.php',
    43 	'wp-admin/inline-uploading.php',
    44 	'wp-admin/link-categories.php',
    44 	'wp-admin/link-categories.php',
    48 	'wp-includes/feed-functions.php',
    48 	'wp-includes/feed-functions.php',
    49 	'wp-includes/functions-compat.php',
    49 	'wp-includes/functions-compat.php',
    50 	'wp-includes/functions-formatting.php',
    50 	'wp-includes/functions-formatting.php',
    51 	'wp-includes/functions-post.php',
    51 	'wp-includes/functions-post.php',
    52 	'wp-includes/js/dbx-key.js',
    52 	'wp-includes/js/dbx-key.js',
    53 	'wp-includes/js/tinymce/plugins/autosave/langs/cs.js',
       
    54 	'wp-includes/js/tinymce/plugins/autosave/langs/sv.js',
       
    55 	'wp-includes/links.php',
    53 	'wp-includes/links.php',
    56 	'wp-includes/pluggable-functions.php',
    54 	'wp-includes/pluggable-functions.php',
    57 	'wp-includes/template-functions-author.php',
    55 	'wp-includes/template-functions-author.php',
    58 	'wp-includes/template-functions-category.php',
    56 	'wp-includes/template-functions-category.php',
    59 	'wp-includes/template-functions-general.php',
    57 	'wp-includes/template-functions-general.php',
    60 	'wp-includes/template-functions-links.php',
    58 	'wp-includes/template-functions-links.php',
    61 	'wp-includes/template-functions-post.php',
    59 	'wp-includes/template-functions-post.php',
    62 	'wp-includes/wp-l10n.php',
    60 	'wp-includes/wp-l10n.php',
    63 	// 2.2
    61 	// 2.2
    64 	'wp-admin/cat-js.php',
    62 	'wp-admin/cat-js.php',
    65 	'wp-admin/import/b2.php',
       
    66 	'wp-includes/js/autosave-js.php',
    63 	'wp-includes/js/autosave-js.php',
    67 	'wp-includes/js/list-manipulation-js.php',
    64 	'wp-includes/js/list-manipulation-js.php',
    68 	'wp-includes/js/wp-ajax-js.php',
    65 	'wp-includes/js/wp-ajax-js.php',
    69 	// 2.3
    66 	// 2.3
    70 	'wp-admin/admin-db.php',
    67 	'wp-admin/admin-db.php',
   104 	'wp-admin/includes/upload.php',
   101 	'wp-admin/includes/upload.php',
   105 	'wp-admin/js/dbx-admin-key.js',
   102 	'wp-admin/js/dbx-admin-key.js',
   106 	'wp-admin/js/link-cat.js',
   103 	'wp-admin/js/link-cat.js',
   107 	'wp-admin/profile-update.php',
   104 	'wp-admin/profile-update.php',
   108 	'wp-admin/templates.php',
   105 	'wp-admin/templates.php',
   109 	'wp-includes/images/wlw/WpComments.png',
       
   110 	'wp-includes/images/wlw/WpIcon.png',
       
   111 	'wp-includes/images/wlw/WpWatermark.png',
       
   112 	'wp-includes/js/dbx.js',
   106 	'wp-includes/js/dbx.js',
   113 	'wp-includes/js/fat.js',
   107 	'wp-includes/js/fat.js',
   114 	'wp-includes/js/list-manipulation.js',
   108 	'wp-includes/js/list-manipulation.js',
   115 	'wp-includes/js/tinymce/langs/en.js',
   109 	'wp-includes/js/tinymce/langs/en.js',
   116 	'wp-includes/js/tinymce/plugins/autosave/editor_plugin_src.js',
       
   117 	'wp-includes/js/tinymce/plugins/autosave/langs',
       
   118 	'wp-includes/js/tinymce/plugins/directionality/images',
   110 	'wp-includes/js/tinymce/plugins/directionality/images',
   119 	'wp-includes/js/tinymce/plugins/directionality/langs',
   111 	'wp-includes/js/tinymce/plugins/directionality/langs',
   120 	'wp-includes/js/tinymce/plugins/inlinepopups/css',
       
   121 	'wp-includes/js/tinymce/plugins/inlinepopups/images',
       
   122 	'wp-includes/js/tinymce/plugins/inlinepopups/jscripts',
       
   123 	'wp-includes/js/tinymce/plugins/paste/images',
   112 	'wp-includes/js/tinymce/plugins/paste/images',
   124 	'wp-includes/js/tinymce/plugins/paste/jscripts',
   113 	'wp-includes/js/tinymce/plugins/paste/jscripts',
   125 	'wp-includes/js/tinymce/plugins/paste/langs',
   114 	'wp-includes/js/tinymce/plugins/paste/langs',
   126 	'wp-includes/js/tinymce/plugins/spellchecker/classes/HttpClient.class.php',
       
   127 	'wp-includes/js/tinymce/plugins/spellchecker/classes/TinyGoogleSpell.class.php',
       
   128 	'wp-includes/js/tinymce/plugins/spellchecker/classes/TinyPspell.class.php',
       
   129 	'wp-includes/js/tinymce/plugins/spellchecker/classes/TinyPspellShell.class.php',
       
   130 	'wp-includes/js/tinymce/plugins/spellchecker/css/spellchecker.css',
       
   131 	'wp-includes/js/tinymce/plugins/spellchecker/images',
       
   132 	'wp-includes/js/tinymce/plugins/spellchecker/langs',
       
   133 	'wp-includes/js/tinymce/plugins/spellchecker/tinyspell.php',
       
   134 	'wp-includes/js/tinymce/plugins/wordpress/images',
   115 	'wp-includes/js/tinymce/plugins/wordpress/images',
   135 	'wp-includes/js/tinymce/plugins/wordpress/langs',
   116 	'wp-includes/js/tinymce/plugins/wordpress/langs',
   136 	'wp-includes/js/tinymce/plugins/wordpress/wordpress.css',
   117 	'wp-includes/js/tinymce/plugins/wordpress/wordpress.css',
   137 	'wp-includes/js/tinymce/plugins/wphelp',
   118 	'wp-includes/js/tinymce/plugins/wphelp',
   138 	'wp-includes/js/tinymce/themes/advanced/css',
       
   139 	'wp-includes/js/tinymce/themes/advanced/images',
       
   140 	'wp-includes/js/tinymce/themes/advanced/jscripts',
       
   141 	'wp-includes/js/tinymce/themes/advanced/langs',
       
   142 	// 2.5.1
   119 	// 2.5.1
   143 	'wp-includes/js/tinymce/tiny_mce_gzip.php',
   120 	'wp-includes/js/tinymce/tiny_mce_gzip.php',
   144 	// 2.6
   121 	// 2.6
   145 	'wp-admin/bookmarklet.php',
   122 	'wp-admin/bookmarklet.php',
   146 	'wp-includes/js/jquery/jquery.dimensions.min.js',
   123 	'wp-includes/js/jquery/jquery.dimensions.min.js',
   180 	'wp-includes/images/zip.png',
   157 	'wp-includes/images/zip.png',
   181 	'wp-includes/js/tinymce/tiny_mce_config.php',
   158 	'wp-includes/js/tinymce/tiny_mce_config.php',
   182 	'wp-includes/js/tinymce/tiny_mce_ext.js',
   159 	'wp-includes/js/tinymce/tiny_mce_ext.js',
   183 	// 2.8
   160 	// 2.8
   184 	'wp-admin/js/users.js',
   161 	'wp-admin/js/users.js',
   185 	'wp-includes/js/swfupload/plugins/swfupload.documentready.js',
       
   186 	'wp-includes/js/swfupload/plugins/swfupload.graceful_degradation.js',
       
   187 	'wp-includes/js/swfupload/swfupload_f9.swf',
   162 	'wp-includes/js/swfupload/swfupload_f9.swf',
   188 	'wp-includes/js/tinymce/plugins/autosave',
   163 	'wp-includes/js/tinymce/plugins/autosave',
   189 	'wp-includes/js/tinymce/plugins/paste/css',
   164 	'wp-includes/js/tinymce/plugins/paste/css',
   190 	'wp-includes/js/tinymce/utils/mclayer.js',
   165 	'wp-includes/js/tinymce/utils/mclayer.js',
   191 	'wp-includes/js/tinymce/wordpress.css',
   166 	'wp-includes/js/tinymce/wordpress.css',
   192 	// 2.8.5
       
   193 	'wp-admin/import/btt.php',
       
   194 	'wp-admin/import/jkw.php',
       
   195 	// 2.9
   167 	// 2.9
   196 	'wp-admin/js/page.dev.js',
   168 	'wp-admin/js/page.dev.js',
   197 	'wp-admin/js/page.js',
   169 	'wp-admin/js/page.js',
   198 	'wp-admin/js/set-post-thumbnail-handler.dev.js',
   170 	'wp-admin/js/set-post-thumbnail-handler.dev.js',
   199 	'wp-admin/js/set-post-thumbnail-handler.js',
   171 	'wp-admin/js/set-post-thumbnail-handler.js',
   246 	'wp-admin/rtl.dev.css',
   218 	'wp-admin/rtl.dev.css',
   247 	'wp-admin/update-links.php',
   219 	'wp-admin/update-links.php',
   248 	'wp-admin/wp-admin.css',
   220 	'wp-admin/wp-admin.css',
   249 	'wp-admin/wp-admin.dev.css',
   221 	'wp-admin/wp-admin.dev.css',
   250 	'wp-includes/js/codepress',
   222 	'wp-includes/js/codepress',
   251 	'wp-includes/js/codepress/engines/khtml.js',
       
   252 	'wp-includes/js/codepress/engines/older.js',
       
   253 	'wp-includes/js/jquery/autocomplete.dev.js',
   223 	'wp-includes/js/jquery/autocomplete.dev.js',
   254 	'wp-includes/js/jquery/autocomplete.js',
   224 	'wp-includes/js/jquery/autocomplete.js',
   255 	'wp-includes/js/jquery/interface.js',
   225 	'wp-includes/js/jquery/interface.js',
   256 	'wp-includes/js/scriptaculous/prototype.js',
       
   257 	// Following file added back in 5.1, see #45645.
   226 	// Following file added back in 5.1, see #45645.
   258 	//'wp-includes/js/tinymce/wp-tinymce.js',
   227 	//'wp-includes/js/tinymce/wp-tinymce.js',
   259 	// 3.1
   228 	// 3.1
   260 	'wp-admin/edit-attachment-rows.php',
   229 	'wp-admin/edit-attachment-rows.php',
   261 	'wp-admin/edit-link-categories.php',
   230 	'wp-admin/edit-link-categories.php',
   273 	'wp-admin/images/visit-site-button-grad.gif',
   242 	'wp-admin/images/visit-site-button-grad.gif',
   274 	'wp-admin/link-category.php',
   243 	'wp-admin/link-category.php',
   275 	'wp-admin/sidebar.php',
   244 	'wp-admin/sidebar.php',
   276 	'wp-includes/classes.php',
   245 	'wp-includes/classes.php',
   277 	'wp-includes/js/tinymce/blank.htm',
   246 	'wp-includes/js/tinymce/blank.htm',
   278 	'wp-includes/js/tinymce/plugins/media/css/content.css',
       
   279 	'wp-includes/js/tinymce/plugins/media/img',
   247 	'wp-includes/js/tinymce/plugins/media/img',
   280 	'wp-includes/js/tinymce/plugins/safari',
   248 	'wp-includes/js/tinymce/plugins/safari',
   281 	// 3.2
   249 	// 3.2
   282 	'wp-admin/images/logo-login.gif',
   250 	'wp-admin/images/logo-login.gif',
   283 	'wp-admin/images/star.gif',
   251 	'wp-admin/images/star.gif',
   284 	'wp-admin/js/list-table.dev.js',
   252 	'wp-admin/js/list-table.dev.js',
   285 	'wp-admin/js/list-table.js',
   253 	'wp-admin/js/list-table.js',
   286 	'wp-includes/default-embeds.php',
   254 	'wp-includes/default-embeds.php',
   287 	'wp-includes/js/tinymce/plugins/wordpress/img/help.gif',
       
   288 	'wp-includes/js/tinymce/plugins/wordpress/img/more.gif',
       
   289 	'wp-includes/js/tinymce/plugins/wordpress/img/toolbars.gif',
       
   290 	'wp-includes/js/tinymce/themes/advanced/img/fm.gif',
       
   291 	'wp-includes/js/tinymce/themes/advanced/img/sflogo.png',
       
   292 	// 3.3
   255 	// 3.3
   293 	'wp-admin/css/colors-classic-rtl.css',
   256 	'wp-admin/css/colors-classic-rtl.css',
   294 	'wp-admin/css/colors-classic-rtl.dev.css',
   257 	'wp-admin/css/colors-classic-rtl.dev.css',
   295 	'wp-admin/css/colors-fresh-rtl.css',
   258 	'wp-admin/css/colors-fresh-rtl.css',
   296 	'wp-admin/css/colors-fresh-rtl.dev.css',
   259 	'wp-admin/css/colors-fresh-rtl.dev.css',
   342 	'wp-includes/js/l10n.dev.js',
   305 	'wp-includes/js/l10n.dev.js',
   343 	'wp-includes/js/l10n.js',
   306 	'wp-includes/js/l10n.js',
   344 	'wp-includes/js/tinymce/plugins/wplink/css',
   307 	'wp-includes/js/tinymce/plugins/wplink/css',
   345 	'wp-includes/js/tinymce/plugins/wplink/img',
   308 	'wp-includes/js/tinymce/plugins/wplink/img',
   346 	'wp-includes/js/tinymce/plugins/wplink/js',
   309 	'wp-includes/js/tinymce/plugins/wplink/js',
   347 	'wp-includes/js/tinymce/themes/advanced/img/wpicons.png',
       
   348 	'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/butt2.png',
       
   349 	'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/button_bg.png',
       
   350 	'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/down_arrow.gif',
       
   351 	'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/fade-butt.png',
       
   352 	'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/separator.gif',
       
   353 	// Don't delete, yet: 'wp-rss.php',
   310 	// Don't delete, yet: 'wp-rss.php',
   354 	// Don't delete, yet: 'wp-rdf.php',
   311 	// Don't delete, yet: 'wp-rdf.php',
   355 	// Don't delete, yet: 'wp-rss2.php',
   312 	// Don't delete, yet: 'wp-rss2.php',
   356 	// Don't delete, yet: 'wp-commentsrss2.php',
   313 	// Don't delete, yet: 'wp-commentsrss2.php',
   357 	// Don't delete, yet: 'wp-atom.php',
   314 	// Don't delete, yet: 'wp-atom.php',
   361 	'wp-admin/images/logo-login.png',
   318 	'wp-admin/images/logo-login.png',
   362 	'wp-admin/images/star.png',
   319 	'wp-admin/images/star.png',
   363 	'wp-admin/index-extra.php',
   320 	'wp-admin/index-extra.php',
   364 	'wp-admin/network/index-extra.php',
   321 	'wp-admin/network/index-extra.php',
   365 	'wp-admin/user/index-extra.php',
   322 	'wp-admin/user/index-extra.php',
   366 	'wp-admin/images/screenshots/admin-flyouts.png',
       
   367 	'wp-admin/images/screenshots/coediting.png',
       
   368 	'wp-admin/images/screenshots/drag-and-drop.png',
       
   369 	'wp-admin/images/screenshots/help-screen.png',
       
   370 	'wp-admin/images/screenshots/media-icon.png',
       
   371 	'wp-admin/images/screenshots/new-feature-pointer.png',
       
   372 	'wp-admin/images/screenshots/welcome-screen.png',
       
   373 	'wp-includes/css/editor-buttons.css',
   323 	'wp-includes/css/editor-buttons.css',
   374 	'wp-includes/css/editor-buttons.dev.css',
   324 	'wp-includes/css/editor-buttons.dev.css',
   375 	'wp-includes/js/tinymce/plugins/paste/blank.htm',
   325 	'wp-includes/js/tinymce/plugins/paste/blank.htm',
   376 	'wp-includes/js/tinymce/plugins/wordpress/css',
   326 	'wp-includes/js/tinymce/plugins/wordpress/css',
   377 	'wp-includes/js/tinymce/plugins/wordpress/editor_plugin.dev.js',
   327 	'wp-includes/js/tinymce/plugins/wordpress/editor_plugin.dev.js',
   378 	'wp-includes/js/tinymce/plugins/wordpress/img/embedded.png',
       
   379 	'wp-includes/js/tinymce/plugins/wordpress/img/more_bug.gif',
       
   380 	'wp-includes/js/tinymce/plugins/wordpress/img/page_bug.gif',
       
   381 	'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin.dev.js',
   328 	'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin.dev.js',
   382 	'wp-includes/js/tinymce/plugins/wpeditimage/css/editimage-rtl.css',
       
   383 	'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin.dev.js',
   329 	'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin.dev.js',
   384 	'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin.dev.js',
       
   385 	'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.dev.js',
   330 	'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.dev.js',
   386 	'wp-includes/js/tinymce/plugins/wpgallery/img/gallery.png',
       
   387 	'wp-includes/js/tinymce/plugins/wplink/editor_plugin.dev.js',
   331 	'wp-includes/js/tinymce/plugins/wplink/editor_plugin.dev.js',
   388 	// Don't delete, yet: 'wp-pass.php',
   332 	// Don't delete, yet: 'wp-pass.php',
   389 	// Don't delete, yet: 'wp-register.php',
   333 	// Don't delete, yet: 'wp-register.php',
   390 	// 3.5
   334 	// 3.5
   391 	'wp-admin/gears-manifest.php',
   335 	'wp-admin/gears-manifest.php',
   496 	'wp-admin/js/media.dev.js',
   440 	'wp-admin/js/media.dev.js',
   497 	'wp-admin/js/customize-controls.dev.js',
   441 	'wp-admin/js/customize-controls.dev.js',
   498 	'wp-admin/js/inline-edit-post.dev.js',
   442 	'wp-admin/js/inline-edit-post.dev.js',
   499 	'wp-admin/js/categories.dev.js',
   443 	'wp-admin/js/categories.dev.js',
   500 	'wp-admin/js/editor.dev.js',
   444 	'wp-admin/js/editor.dev.js',
   501 	'wp-includes/js/tinymce/plugins/wpeditimage/js/editimage.dev.js',
       
   502 	'wp-includes/js/tinymce/plugins/wpdialogs/js/popup.dev.js',
       
   503 	'wp-includes/js/tinymce/plugins/wpdialogs/js/wpdialog.dev.js',
       
   504 	'wp-includes/js/plupload/handlers.dev.js',
   445 	'wp-includes/js/plupload/handlers.dev.js',
   505 	'wp-includes/js/plupload/wp-plupload.dev.js',
   446 	'wp-includes/js/plupload/wp-plupload.dev.js',
   506 	'wp-includes/js/swfupload/handlers.dev.js',
   447 	'wp-includes/js/swfupload/handlers.dev.js',
   507 	'wp-includes/js/jcrop/jquery.Jcrop.dev.js',
   448 	'wp-includes/js/jcrop/jquery.Jcrop.dev.js',
   508 	'wp-includes/js/jcrop/jquery.Jcrop.js',
   449 	'wp-includes/js/jcrop/jquery.Jcrop.js',
   525 	'wp-includes/js/jquery/ui/jquery.effects.highlight.min.js',
   466 	'wp-includes/js/jquery/ui/jquery.effects.highlight.min.js',
   526 	'wp-includes/js/jquery/ui/jquery.effects.bounce.min.js',
   467 	'wp-includes/js/jquery/ui/jquery.effects.bounce.min.js',
   527 	'wp-includes/js/jquery/ui/jquery.effects.pulsate.min.js',
   468 	'wp-includes/js/jquery/ui/jquery.effects.pulsate.min.js',
   528 	'wp-includes/js/jquery/ui/jquery.effects.transfer.min.js',
   469 	'wp-includes/js/jquery/ui/jquery.effects.transfer.min.js',
   529 	'wp-includes/js/jquery/ui/jquery.effects.fold.min.js',
   470 	'wp-includes/js/jquery/ui/jquery.effects.fold.min.js',
   530 	'wp-admin/images/screenshots/captions-1.png',
       
   531 	'wp-admin/images/screenshots/captions-2.png',
       
   532 	'wp-admin/images/screenshots/flex-header-1.png',
       
   533 	'wp-admin/images/screenshots/flex-header-2.png',
       
   534 	'wp-admin/images/screenshots/flex-header-3.png',
       
   535 	'wp-admin/images/screenshots/flex-header-media-library.png',
       
   536 	'wp-admin/images/screenshots/theme-customizer.png',
       
   537 	'wp-admin/images/screenshots/twitter-embed-1.png',
       
   538 	'wp-admin/images/screenshots/twitter-embed-2.png',
       
   539 	'wp-admin/js/utils.js',
   471 	'wp-admin/js/utils.js',
   540 	// Added back in 5.3 [45448], see #43895.
   472 	// Added back in 5.3 [45448], see #43895.
   541 	// 'wp-admin/options-privacy.php',
   473 	// 'wp-admin/options-privacy.php',
   542 	'wp-app.php',
   474 	'wp-app.php',
   543 	'wp-includes/class-wp-atom-server.php',
   475 	'wp-includes/class-wp-atom-server.php',
   544 	'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/ui.css',
       
   545 	// 3.5.2
   476 	// 3.5.2
   546 	'wp-includes/js/swfupload/swfupload-all.js',
   477 	'wp-includes/js/swfupload/swfupload-all.js',
   547 	// 3.6
   478 	// 3.6
   548 	'wp-admin/js/revisions-js.php',
   479 	'wp-admin/js/revisions-js.php',
   549 	'wp-admin/images/screenshots',
   480 	'wp-admin/images/screenshots',
   552 	'wp-admin/js/custom-fields.js',
   483 	'wp-admin/js/custom-fields.js',
   553 	'wp-admin/js/custom-fields.min.js',
   484 	'wp-admin/js/custom-fields.min.js',
   554 	// 3.7
   485 	// 3.7
   555 	'wp-admin/js/cat.js',
   486 	'wp-admin/js/cat.js',
   556 	'wp-admin/js/cat.min.js',
   487 	'wp-admin/js/cat.min.js',
   557 	'wp-includes/js/tinymce/plugins/wpeditimage/js/editimage.min.js',
       
   558 	// 3.8
   488 	// 3.8
   559 	'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/page_bug.gif',
       
   560 	'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/more_bug.gif',
       
   561 	'wp-includes/js/thickbox/tb-close-2x.png',
   489 	'wp-includes/js/thickbox/tb-close-2x.png',
   562 	'wp-includes/js/thickbox/tb-close.png',
   490 	'wp-includes/js/thickbox/tb-close.png',
   563 	'wp-includes/images/wpmini-blue-2x.png',
   491 	'wp-includes/images/wpmini-blue-2x.png',
   564 	'wp-includes/images/wpmini-blue.png',
   492 	'wp-includes/images/wpmini-blue.png',
   565 	'wp-admin/css/colors-fresh.css',
   493 	'wp-admin/css/colors-fresh.css',
   626 	'wp-includes/js/tinymce/plugins/wpdialogs/js',
   554 	'wp-includes/js/tinymce/plugins/wpdialogs/js',
   627 	'wp-includes/js/tinymce/plugins/wpeditimage/img',
   555 	'wp-includes/js/tinymce/plugins/wpeditimage/img',
   628 	'wp-includes/js/tinymce/plugins/wpeditimage/js',
   556 	'wp-includes/js/tinymce/plugins/wpeditimage/js',
   629 	'wp-includes/js/tinymce/plugins/wpeditimage/css',
   557 	'wp-includes/js/tinymce/plugins/wpeditimage/css',
   630 	'wp-includes/js/tinymce/plugins/wpgallery/img',
   558 	'wp-includes/js/tinymce/plugins/wpgallery/img',
   631 	'wp-includes/js/tinymce/plugins/wpfullscreen/css',
       
   632 	'wp-includes/js/tinymce/plugins/paste/js',
   559 	'wp-includes/js/tinymce/plugins/paste/js',
   633 	'wp-includes/js/tinymce/themes/advanced',
   560 	'wp-includes/js/tinymce/themes/advanced',
   634 	'wp-includes/js/tinymce/tiny_mce.js',
   561 	'wp-includes/js/tinymce/tiny_mce.js',
   635 	'wp-includes/js/tinymce/mark_loaded_src.js',
   562 	'wp-includes/js/tinymce/mark_loaded_src.js',
   636 	'wp-includes/js/tinymce/wp-tinymce-schema.js',
   563 	'wp-includes/js/tinymce/wp-tinymce-schema.js',
   655 	'wp-includes/js/tinymce/plugins/wplink/editor_plugin.js',
   582 	'wp-includes/js/tinymce/plugins/wplink/editor_plugin.js',
   656 	'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin_src.js',
   583 	'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin_src.js',
   657 	'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.js',
   584 	'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.js',
   658 	'wp-includes/js/tinymce/plugins/tabfocus/editor_plugin.js',
   585 	'wp-includes/js/tinymce/plugins/tabfocus/editor_plugin.js',
   659 	'wp-includes/js/tinymce/plugins/tabfocus/editor_plugin_src.js',
   586 	'wp-includes/js/tinymce/plugins/tabfocus/editor_plugin_src.js',
   660 	'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin.js',
       
   661 	'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin_src.js',
       
   662 	'wp-includes/js/tinymce/plugins/paste/editor_plugin.js',
   587 	'wp-includes/js/tinymce/plugins/paste/editor_plugin.js',
   663 	'wp-includes/js/tinymce/plugins/paste/pasteword.htm',
   588 	'wp-includes/js/tinymce/plugins/paste/pasteword.htm',
   664 	'wp-includes/js/tinymce/plugins/paste/editor_plugin_src.js',
   589 	'wp-includes/js/tinymce/plugins/paste/editor_plugin_src.js',
   665 	'wp-includes/js/tinymce/plugins/paste/pastetext.htm',
   590 	'wp-includes/js/tinymce/plugins/paste/pastetext.htm',
   666 	'wp-includes/js/tinymce/langs/wp-langs.php',
   591 	'wp-includes/js/tinymce/langs/wp-langs.php',
   746 	'wp-includes/js/plupload/plupload.silverlight.xap',
   671 	'wp-includes/js/plupload/plupload.silverlight.xap',
   747 	'wp-includes/js/swfupload/plugins',
   672 	'wp-includes/js/swfupload/plugins',
   748 	'wp-includes/js/swfupload/swfupload.swf',
   673 	'wp-includes/js/swfupload/swfupload.swf',
   749 	// 4.9.2
   674 	// 4.9.2
   750 	'wp-includes/js/mediaelement/lang',
   675 	'wp-includes/js/mediaelement/lang',
   751 	'wp-includes/js/mediaelement/lang/ca.js',
       
   752 	'wp-includes/js/mediaelement/lang/cs.js',
       
   753 	'wp-includes/js/mediaelement/lang/de.js',
       
   754 	'wp-includes/js/mediaelement/lang/es.js',
       
   755 	'wp-includes/js/mediaelement/lang/fa.js',
       
   756 	'wp-includes/js/mediaelement/lang/fr.js',
       
   757 	'wp-includes/js/mediaelement/lang/hr.js',
       
   758 	'wp-includes/js/mediaelement/lang/hu.js',
       
   759 	'wp-includes/js/mediaelement/lang/it.js',
       
   760 	'wp-includes/js/mediaelement/lang/ja.js',
       
   761 	'wp-includes/js/mediaelement/lang/ko.js',
       
   762 	'wp-includes/js/mediaelement/lang/nl.js',
       
   763 	'wp-includes/js/mediaelement/lang/pl.js',
       
   764 	'wp-includes/js/mediaelement/lang/pt.js',
       
   765 	'wp-includes/js/mediaelement/lang/ro.js',
       
   766 	'wp-includes/js/mediaelement/lang/ru.js',
       
   767 	'wp-includes/js/mediaelement/lang/sk.js',
       
   768 	'wp-includes/js/mediaelement/lang/sv.js',
       
   769 	'wp-includes/js/mediaelement/lang/uk.js',
       
   770 	'wp-includes/js/mediaelement/lang/zh-cn.js',
       
   771 	'wp-includes/js/mediaelement/lang/zh.js',
       
   772 	'wp-includes/js/mediaelement/mediaelement-flash-audio-ogg.swf',
   676 	'wp-includes/js/mediaelement/mediaelement-flash-audio-ogg.swf',
   773 	'wp-includes/js/mediaelement/mediaelement-flash-audio.swf',
   677 	'wp-includes/js/mediaelement/mediaelement-flash-audio.swf',
   774 	'wp-includes/js/mediaelement/mediaelement-flash-video-hls.swf',
   678 	'wp-includes/js/mediaelement/mediaelement-flash-video-hls.swf',
   775 	'wp-includes/js/mediaelement/mediaelement-flash-video-mdash.swf',
   679 	'wp-includes/js/mediaelement/mediaelement-flash-video-mdash.swf',
   776 	'wp-includes/js/mediaelement/mediaelement-flash-video.swf',
   680 	'wp-includes/js/mediaelement/mediaelement-flash-video.swf',
   783 	'wp-includes/js/mediaelement/renderers/twitch.js',
   687 	'wp-includes/js/mediaelement/renderers/twitch.js',
   784 	'wp-includes/js/mediaelement/renderers/twitch.min.js',
   688 	'wp-includes/js/mediaelement/renderers/twitch.min.js',
   785 	// 5.0
   689 	// 5.0
   786 	'wp-includes/js/codemirror/jshint.js',
   690 	'wp-includes/js/codemirror/jshint.js',
   787 	// 5.1
   691 	// 5.1
   788 	'wp-includes/random_compat/random_bytes_openssl.php',
       
   789 	'wp-includes/js/tinymce/wp-tinymce.js.gz',
   692 	'wp-includes/js/tinymce/wp-tinymce.js.gz',
   790 	// 5.3
   693 	// 5.3
   791 	'wp-includes/js/wp-a11y.js',     // Moved to: wp-includes/js/dist/a11y.js
   694 	'wp-includes/js/wp-a11y.js',     // Moved to: wp-includes/js/dist/a11y.js
   792 	'wp-includes/js/wp-a11y.min.js', // Moved to: wp-includes/js/dist/a11y.min.js
   695 	'wp-includes/js/wp-a11y.min.js', // Moved to: wp-includes/js/dist/a11y.min.js
   793 	// 5.4
   696 	// 5.4
   818 	'wp-includes/block-patterns/two-images.php',
   721 	'wp-includes/block-patterns/two-images.php',
   819 	'wp-includes/block-patterns/three-buttons.php',
   722 	'wp-includes/block-patterns/three-buttons.php',
   820 	'wp-includes/block-patterns/text-two-columns-with-images.php',
   723 	'wp-includes/block-patterns/text-two-columns-with-images.php',
   821 	'wp-includes/block-patterns/text-two-columns.php',
   724 	'wp-includes/block-patterns/text-two-columns.php',
   822 	'wp-includes/block-patterns/large-header-button.php',
   725 	'wp-includes/block-patterns/large-header-button.php',
   823 	'wp-includes/blocks/subhead/block.json',
       
   824 	'wp-includes/blocks/subhead',
   726 	'wp-includes/blocks/subhead',
   825 	'wp-includes/css/dist/editor/editor-styles.css',
   727 	'wp-includes/css/dist/editor/editor-styles.css',
   826 	'wp-includes/css/dist/editor/editor-styles.min.css',
   728 	'wp-includes/css/dist/editor/editor-styles.min.css',
   827 	'wp-includes/css/dist/editor/editor-styles-rtl.css',
   729 	'wp-includes/css/dist/editor/editor-styles-rtl.css',
   828 	'wp-includes/css/dist/editor/editor-styles-rtl.min.css',
   730 	'wp-includes/css/dist/editor/editor-styles-rtl.min.css',
   829 	// 5.9
   731 	// 5.9
   830 	'wp-includes/blocks/heading/editor.css',
   732 	'wp-includes/blocks/heading/editor.css',
   831 	'wp-includes/blocks/heading/editor.min.css',
   733 	'wp-includes/blocks/heading/editor.min.css',
   832 	'wp-includes/blocks/heading/editor-rtl.css',
   734 	'wp-includes/blocks/heading/editor-rtl.css',
   833 	'wp-includes/blocks/heading/editor-rtl.min.css',
   735 	'wp-includes/blocks/heading/editor-rtl.min.css',
   834 	'wp-includes/blocks/post-content/editor.css',
       
   835 	'wp-includes/blocks/post-content/editor.min.css',
       
   836 	'wp-includes/blocks/post-content/editor-rtl.css',
       
   837 	'wp-includes/blocks/post-content/editor-rtl.min.css',
       
   838 	'wp-includes/blocks/query-title/editor.css',
   736 	'wp-includes/blocks/query-title/editor.css',
   839 	'wp-includes/blocks/query-title/editor.min.css',
   737 	'wp-includes/blocks/query-title/editor.min.css',
   840 	'wp-includes/blocks/query-title/editor-rtl.css',
   738 	'wp-includes/blocks/query-title/editor-rtl.css',
   841 	'wp-includes/blocks/query-title/editor-rtl.min.css',
   739 	'wp-includes/blocks/query-title/editor-rtl.min.css',
   842 	'wp-includes/blocks/tag-cloud/editor.css',
   740 	'wp-includes/blocks/tag-cloud/editor.css',
   843 	'wp-includes/blocks/tag-cloud/editor.min.css',
   741 	'wp-includes/blocks/tag-cloud/editor.min.css',
   844 	'wp-includes/blocks/tag-cloud/editor-rtl.css',
   742 	'wp-includes/blocks/tag-cloud/editor-rtl.css',
   845 	'wp-includes/blocks/tag-cloud/editor-rtl.min.css',
   743 	'wp-includes/blocks/tag-cloud/editor-rtl.min.css',
   846 	// 6.0
   744 	// 6.1
   847 	'wp-content/themes/twentytwentytwo/assets/fonts/LICENSE.md',
   745 	'wp-includes/blocks/post-comments.php',
       
   746 	'wp-includes/blocks/post-comments',
       
   747 	'wp-includes/blocks/comments-query-loop',
       
   748 	// 6.3
       
   749 	'wp-includes/images/wlw',
       
   750 	'wp-includes/wlwmanifest.xml',
       
   751 	'wp-includes/random_compat',
       
   752 	// 6.4
       
   753 	'wp-includes/navigation-fallback.php',
       
   754 	'wp-includes/blocks/navigation/view-modal.min.js',
       
   755 	'wp-includes/blocks/navigation/view-modal.js',
       
   756 	// 6.5
       
   757 	'wp-includes/ID3/license.commercial.txt',
       
   758 	'wp-includes/blocks/query/style-rtl.min.css',
       
   759 	'wp-includes/blocks/query/style.min.css',
       
   760 	'wp-includes/blocks/query/style-rtl.css',
       
   761 	'wp-includes/blocks/query/style.css',
       
   762 	'wp-admin/images/about-header-privacy.svg',
       
   763 	'wp-admin/images/about-header-about.svg',
       
   764 	'wp-admin/images/about-header-credits.svg',
       
   765 	'wp-admin/images/about-header-freedoms.svg',
       
   766 	'wp-admin/images/about-header-contribute.svg',
       
   767 	'wp-admin/images/about-header-background.svg',
       
   768 	// 6.6
       
   769 	'wp-includes/blocks/block/editor.css',
       
   770 	'wp-includes/blocks/block/editor.min.css',
       
   771 	'wp-includes/blocks/block/editor-rtl.css',
       
   772 	'wp-includes/blocks/block/editor-rtl.min.css',
       
   773 );
       
   774 
       
   775 /**
       
   776  * Stores Requests files to be preloaded and deleted.
       
   777  *
       
   778  * For classes/interfaces, use the class/interface name
       
   779  * as the array key.
       
   780  *
       
   781  * All other files/directories should not have a key.
       
   782  *
       
   783  * @since 6.2.0
       
   784  *
       
   785  * @global array $_old_requests_files
       
   786  * @var array
       
   787  * @name $_old_requests_files
       
   788  */
       
   789 global $_old_requests_files;
       
   790 
       
   791 $_old_requests_files = array(
       
   792 	// Interfaces.
       
   793 	'Requests_Auth'                              => 'wp-includes/Requests/Auth.php',
       
   794 	'Requests_Hooker'                            => 'wp-includes/Requests/Hooker.php',
       
   795 	'Requests_Proxy'                             => 'wp-includes/Requests/Proxy.php',
       
   796 	'Requests_Transport'                         => 'wp-includes/Requests/Transport.php',
       
   797 
       
   798 	// Classes.
       
   799 	'Requests_Auth_Basic'                        => 'wp-includes/Requests/Auth/Basic.php',
       
   800 	'Requests_Cookie_Jar'                        => 'wp-includes/Requests/Cookie/Jar.php',
       
   801 	'Requests_Exception_HTTP'                    => 'wp-includes/Requests/Exception/HTTP.php',
       
   802 	'Requests_Exception_Transport'               => 'wp-includes/Requests/Exception/Transport.php',
       
   803 	'Requests_Exception_HTTP_304'                => 'wp-includes/Requests/Exception/HTTP/304.php',
       
   804 	'Requests_Exception_HTTP_305'                => 'wp-includes/Requests/Exception/HTTP/305.php',
       
   805 	'Requests_Exception_HTTP_306'                => 'wp-includes/Requests/Exception/HTTP/306.php',
       
   806 	'Requests_Exception_HTTP_400'                => 'wp-includes/Requests/Exception/HTTP/400.php',
       
   807 	'Requests_Exception_HTTP_401'                => 'wp-includes/Requests/Exception/HTTP/401.php',
       
   808 	'Requests_Exception_HTTP_402'                => 'wp-includes/Requests/Exception/HTTP/402.php',
       
   809 	'Requests_Exception_HTTP_403'                => 'wp-includes/Requests/Exception/HTTP/403.php',
       
   810 	'Requests_Exception_HTTP_404'                => 'wp-includes/Requests/Exception/HTTP/404.php',
       
   811 	'Requests_Exception_HTTP_405'                => 'wp-includes/Requests/Exception/HTTP/405.php',
       
   812 	'Requests_Exception_HTTP_406'                => 'wp-includes/Requests/Exception/HTTP/406.php',
       
   813 	'Requests_Exception_HTTP_407'                => 'wp-includes/Requests/Exception/HTTP/407.php',
       
   814 	'Requests_Exception_HTTP_408'                => 'wp-includes/Requests/Exception/HTTP/408.php',
       
   815 	'Requests_Exception_HTTP_409'                => 'wp-includes/Requests/Exception/HTTP/409.php',
       
   816 	'Requests_Exception_HTTP_410'                => 'wp-includes/Requests/Exception/HTTP/410.php',
       
   817 	'Requests_Exception_HTTP_411'                => 'wp-includes/Requests/Exception/HTTP/411.php',
       
   818 	'Requests_Exception_HTTP_412'                => 'wp-includes/Requests/Exception/HTTP/412.php',
       
   819 	'Requests_Exception_HTTP_413'                => 'wp-includes/Requests/Exception/HTTP/413.php',
       
   820 	'Requests_Exception_HTTP_414'                => 'wp-includes/Requests/Exception/HTTP/414.php',
       
   821 	'Requests_Exception_HTTP_415'                => 'wp-includes/Requests/Exception/HTTP/415.php',
       
   822 	'Requests_Exception_HTTP_416'                => 'wp-includes/Requests/Exception/HTTP/416.php',
       
   823 	'Requests_Exception_HTTP_417'                => 'wp-includes/Requests/Exception/HTTP/417.php',
       
   824 	'Requests_Exception_HTTP_418'                => 'wp-includes/Requests/Exception/HTTP/418.php',
       
   825 	'Requests_Exception_HTTP_428'                => 'wp-includes/Requests/Exception/HTTP/428.php',
       
   826 	'Requests_Exception_HTTP_429'                => 'wp-includes/Requests/Exception/HTTP/429.php',
       
   827 	'Requests_Exception_HTTP_431'                => 'wp-includes/Requests/Exception/HTTP/431.php',
       
   828 	'Requests_Exception_HTTP_500'                => 'wp-includes/Requests/Exception/HTTP/500.php',
       
   829 	'Requests_Exception_HTTP_501'                => 'wp-includes/Requests/Exception/HTTP/501.php',
       
   830 	'Requests_Exception_HTTP_502'                => 'wp-includes/Requests/Exception/HTTP/502.php',
       
   831 	'Requests_Exception_HTTP_503'                => 'wp-includes/Requests/Exception/HTTP/503.php',
       
   832 	'Requests_Exception_HTTP_504'                => 'wp-includes/Requests/Exception/HTTP/504.php',
       
   833 	'Requests_Exception_HTTP_505'                => 'wp-includes/Requests/Exception/HTTP/505.php',
       
   834 	'Requests_Exception_HTTP_511'                => 'wp-includes/Requests/Exception/HTTP/511.php',
       
   835 	'Requests_Exception_HTTP_Unknown'            => 'wp-includes/Requests/Exception/HTTP/Unknown.php',
       
   836 	'Requests_Exception_Transport_cURL'          => 'wp-includes/Requests/Exception/Transport/cURL.php',
       
   837 	'Requests_Proxy_HTTP'                        => 'wp-includes/Requests/Proxy/HTTP.php',
       
   838 	'Requests_Response_Headers'                  => 'wp-includes/Requests/Response/Headers.php',
       
   839 	'Requests_Transport_cURL'                    => 'wp-includes/Requests/Transport/cURL.php',
       
   840 	'Requests_Transport_fsockopen'               => 'wp-includes/Requests/Transport/fsockopen.php',
       
   841 	'Requests_Utility_CaseInsensitiveDictionary' => 'wp-includes/Requests/Utility/CaseInsensitiveDictionary.php',
       
   842 	'Requests_Utility_FilteredIterator'          => 'wp-includes/Requests/Utility/FilteredIterator.php',
       
   843 	'Requests_Cookie'                            => 'wp-includes/Requests/Cookie.php',
       
   844 	'Requests_Exception'                         => 'wp-includes/Requests/Exception.php',
       
   845 	'Requests_Hooks'                             => 'wp-includes/Requests/Hooks.php',
       
   846 	'Requests_IDNAEncoder'                       => 'wp-includes/Requests/IDNAEncoder.php',
       
   847 	'Requests_IPv6'                              => 'wp-includes/Requests/IPv6.php',
       
   848 	'Requests_IRI'                               => 'wp-includes/Requests/IRI.php',
       
   849 	'Requests_Response'                          => 'wp-includes/Requests/Response.php',
       
   850 	'Requests_SSL'                               => 'wp-includes/Requests/SSL.php',
       
   851 	'Requests_Session'                           => 'wp-includes/Requests/Session.php',
       
   852 
       
   853 	// Directories.
       
   854 	'wp-includes/Requests/Auth/',
       
   855 	'wp-includes/Requests/Cookie/',
       
   856 	'wp-includes/Requests/Exception/HTTP/',
       
   857 	'wp-includes/Requests/Exception/Transport/',
       
   858 	'wp-includes/Requests/Exception/',
       
   859 	'wp-includes/Requests/Proxy/',
       
   860 	'wp-includes/Requests/Response/',
       
   861 	'wp-includes/Requests/Transport/',
       
   862 	'wp-includes/Requests/Utility/',
   848 );
   863 );
   849 
   864 
   850 /**
   865 /**
   851  * Stores new files in wp-content to copy
   866  * Stores new files in wp-content to copy
   852  *
   867  *
   853  * The contents of this array indicate any new bundled plugins/themes which
   868  * The contents of this array indicate any new bundled plugins/themes which
   854  * should be installed with the WordPress Upgrade. These items will not be
   869  * should be installed with the WordPress Upgrade. These items will not be
   855  * re-installed in future upgrades, this behaviour is controlled by the
   870  * re-installed in future upgrades, this behavior is controlled by the
   856  * introduced version present here being older than the current installed version.
   871  * introduced version present here being older than the current installed version.
   857  *
   872  *
   858  * The content of this array should follow the following format:
   873  * The content of this array should follow the following format:
   859  * Filename (relative to wp-content) => Introduced version
   874  * Filename (relative to wp-content) => Introduced version
   860  * Directories should be noted by suffixing it with a trailing slash (/)
   875  * Directories should be noted by suffixing it with a trailing slash (/)
   869  * @name $_new_bundled_files
   884  * @name $_new_bundled_files
   870  */
   885  */
   871 global $_new_bundled_files;
   886 global $_new_bundled_files;
   872 
   887 
   873 $_new_bundled_files = array(
   888 $_new_bundled_files = array(
   874 	'plugins/akismet/'        => '2.0',
   889 	'plugins/akismet/'          => '2.0',
   875 	'themes/twentyten/'       => '3.0',
   890 	'themes/twentyten/'         => '3.0',
   876 	'themes/twentyeleven/'    => '3.2',
   891 	'themes/twentyeleven/'      => '3.2',
   877 	'themes/twentytwelve/'    => '3.5',
   892 	'themes/twentytwelve/'      => '3.5',
   878 	'themes/twentythirteen/'  => '3.6',
   893 	'themes/twentythirteen/'    => '3.6',
   879 	'themes/twentyfourteen/'  => '3.8',
   894 	'themes/twentyfourteen/'    => '3.8',
   880 	'themes/twentyfifteen/'   => '4.1',
   895 	'themes/twentyfifteen/'     => '4.1',
   881 	'themes/twentysixteen/'   => '4.4',
   896 	'themes/twentysixteen/'     => '4.4',
   882 	'themes/twentyseventeen/' => '4.7',
   897 	'themes/twentyseventeen/'   => '4.7',
   883 	'themes/twentynineteen/'  => '5.0',
   898 	'themes/twentynineteen/'    => '5.0',
   884 	'themes/twentytwenty/'    => '5.3',
   899 	'themes/twentytwenty/'      => '5.3',
   885 	'themes/twentytwentyone/' => '5.6',
   900 	'themes/twentytwentyone/'   => '5.6',
   886 	'themes/twentytwentytwo/' => '5.9',
   901 	'themes/twentytwentytwo/'   => '5.9',
       
   902 	'themes/twentytwentythree/' => '6.1',
       
   903 	'themes/twentytwentyfour/'  => '6.4',
   887 );
   904 );
   888 
   905 
   889 /**
   906 /**
   890  * Upgrades the core of WordPress.
   907  * Upgrades the core of WordPress.
   891  *
   908  *
   892  * This will create a .maintenance file at the base of the WordPress directory
   909  * This will create a .maintenance file at the base of the WordPress directory
   893  * to ensure that people can not access the web site, when the files are being
   910  * to ensure that people can not access the website, when the files are being
   894  * copied to their locations.
   911  * copied to their locations.
   895  *
   912  *
   896  * The files in the `$_old_files` list will be removed and the new files
   913  * The files in the `$_old_files` list will be removed and the new files
   897  * copied from the zip file after the database is upgraded.
   914  * copied from the zip file after the database is upgraded.
   898  *
   915  *
   928  *
   945  *
   929  * @since 2.7.0
   946  * @since 2.7.0
   930  *
   947  *
   931  * @global WP_Filesystem_Base $wp_filesystem          WordPress filesystem subclass.
   948  * @global WP_Filesystem_Base $wp_filesystem          WordPress filesystem subclass.
   932  * @global array              $_old_files
   949  * @global array              $_old_files
       
   950  * @global array              $_old_requests_files
   933  * @global array              $_new_bundled_files
   951  * @global array              $_new_bundled_files
   934  * @global wpdb               $wpdb                   WordPress database abstraction object.
   952  * @global wpdb               $wpdb                   WordPress database abstraction object.
   935  * @global string             $wp_version
   953  * @global string             $wp_version
   936  * @global string             $required_php_version
   954  * @global string             $required_php_version
   937  * @global string             $required_mysql_version
   955  * @global string             $required_mysql_version
   939  * @param string $from New release unzipped path.
   957  * @param string $from New release unzipped path.
   940  * @param string $to   Path to old WordPress installation.
   958  * @param string $to   Path to old WordPress installation.
   941  * @return string|WP_Error New WordPress version on success, WP_Error on failure.
   959  * @return string|WP_Error New WordPress version on success, WP_Error on failure.
   942  */
   960  */
   943 function update_core( $from, $to ) {
   961 function update_core( $from, $to ) {
   944 	global $wp_filesystem, $_old_files, $_new_bundled_files, $wpdb;
   962 	global $wp_filesystem, $_old_files, $_old_requests_files, $_new_bundled_files, $wpdb;
   945 
   963 
   946 	set_time_limit( 300 );
   964 	if ( function_exists( 'set_time_limit' ) ) {
       
   965 		set_time_limit( 300 );
       
   966 	}
       
   967 
       
   968 	/*
       
   969 	 * Merge the old Requests files and directories into the `$_old_files`.
       
   970 	 * Then preload these Requests files first, before the files are deleted
       
   971 	 * and replaced to ensure the code is in memory if needed.
       
   972 	 */
       
   973 	$_old_files = array_merge( $_old_files, array_values( $_old_requests_files ) );
       
   974 	_preload_old_requests_classes_and_interfaces( $to );
   947 
   975 
   948 	/**
   976 	/**
   949 	 * Filters feedback messages displayed during the core update process.
   977 	 * Filters feedback messages displayed during the core update process.
   950 	 *
   978 	 *
   951 	 * The filter is first evaluated after the zip file for the latest version
   979 	 * The filter is first evaluated after the zip file for the latest version
   962 	 *
   990 	 *
   963 	 * @param string $feedback The core update feedback messages.
   991 	 * @param string $feedback The core update feedback messages.
   964 	 */
   992 	 */
   965 	apply_filters( 'update_feedback', __( 'Verifying the unpacked files…' ) );
   993 	apply_filters( 'update_feedback', __( 'Verifying the unpacked files…' ) );
   966 
   994 
   967 	// Sanity check the unzipped distribution.
   995 	// Confidence check the unzipped distribution.
   968 	$distro = '';
   996 	$distro = '';
   969 	$roots  = array( '/wordpress/', '/wordpress-mu/' );
   997 	$roots  = array( '/wordpress/', '/wordpress-mu/' );
   970 
   998 
   971 	foreach ( $roots as $root ) {
   999 	foreach ( $roots as $root ) {
   972 		if ( $wp_filesystem->exists( $from . $root . 'readme.html' )
  1000 		if ( $wp_filesystem->exists( $from . $root . 'readme.html' )
  1012 	}
  1040 	}
  1013 
  1041 
  1014 	require WP_CONTENT_DIR . '/upgrade/version-current.php';
  1042 	require WP_CONTENT_DIR . '/upgrade/version-current.php';
  1015 	$wp_filesystem->delete( $versions_file );
  1043 	$wp_filesystem->delete( $versions_file );
  1016 
  1044 
  1017 	$php_version       = phpversion();
  1045 	$php_version    = PHP_VERSION;
  1018 	$mysql_version     = $wpdb->db_version();
  1046 	$mysql_version  = $wpdb->db_version();
  1019 	$old_wp_version    = $GLOBALS['wp_version']; // The version of WordPress we're updating from.
  1047 	$old_wp_version = $GLOBALS['wp_version']; // The version of WordPress we're updating from.
       
  1048 	/*
       
  1049 	 * Note: str_contains() is not used here, as this file is included
       
  1050 	 * when updating from older WordPress versions, in which case
       
  1051 	 * the polyfills from wp-includes/compat.php may not be available.
       
  1052 	 */
  1020 	$development_build = ( false !== strpos( $old_wp_version . $wp_version, '-' ) ); // A dash in the version indicates a development release.
  1053 	$development_build = ( false !== strpos( $old_wp_version . $wp_version, '-' ) ); // A dash in the version indicates a development release.
  1021 	$php_compat        = version_compare( $php_version, $required_php_version, '>=' );
  1054 	$php_compat        = version_compare( $php_version, $required_php_version, '>=' );
  1022 
  1055 
  1023 	if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) {
  1056 	if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) {
  1024 		$mysql_compat = true;
  1057 		$mysql_compat = true;
  1099 	}
  1132 	}
  1100 
  1133 
  1101 	/** This filter is documented in wp-admin/includes/update-core.php */
  1134 	/** This filter is documented in wp-admin/includes/update-core.php */
  1102 	apply_filters( 'update_feedback', __( 'Preparing to install the latest version…' ) );
  1135 	apply_filters( 'update_feedback', __( 'Preparing to install the latest version…' ) );
  1103 
  1136 
  1104 	// Don't copy wp-content, we'll deal with that below.
  1137 	/*
  1105 	// We also copy version.php last so failed updates report their old version.
  1138 	 * Don't copy wp-content, we'll deal with that below.
       
  1139 	 * We also copy version.php last so failed updates report their old version.
       
  1140 	 */
  1106 	$skip              = array( 'wp-content', 'wp-includes/version.php' );
  1141 	$skip              = array( 'wp-content', 'wp-includes/version.php' );
  1107 	$check_is_writable = array();
  1142 	$check_is_writable = array();
  1108 
  1143 
  1109 	// Check to see which files don't really need updating - only available for 3.7 and higher.
  1144 	// Check to see which files don't really need updating - only available for 3.7 and higher.
  1110 	if ( function_exists( 'get_core_checksums' ) ) {
  1145 	if ( function_exists( 'get_core_checksums' ) ) {
  1117 			$checksums = $checksums[ $wp_version ]; // Compat code for 3.7-beta2.
  1152 			$checksums = $checksums[ $wp_version ]; // Compat code for 3.7-beta2.
  1118 		}
  1153 		}
  1119 
  1154 
  1120 		if ( is_array( $checksums ) ) {
  1155 		if ( is_array( $checksums ) ) {
  1121 			foreach ( $checksums as $file => $checksum ) {
  1156 			foreach ( $checksums as $file => $checksum ) {
       
  1157 				/*
       
  1158 				 * Note: str_starts_with() is not used here, as this file is included
       
  1159 				 * when updating from older WordPress versions, in which case
       
  1160 				 * the polyfills from wp-includes/compat.php may not be available.
       
  1161 				 */
  1122 				if ( 'wp-content' === substr( $file, 0, 10 ) ) {
  1162 				if ( 'wp-content' === substr( $file, 0, 10 ) ) {
  1123 					continue;
  1163 					continue;
  1124 				}
  1164 				}
  1125 
  1165 
  1126 				if ( ! file_exists( ABSPATH . $file ) ) {
  1166 				if ( ! file_exists( ABSPATH . $file ) ) {
  1166 			$error_data = version_compare( $old_wp_version, '3.7-beta2', '>' ) ? array_keys( $files_not_writable ) : '';
  1206 			$error_data = version_compare( $old_wp_version, '3.7-beta2', '>' ) ? array_keys( $files_not_writable ) : '';
  1167 
  1207 
  1168 			if ( $files_not_writable ) {
  1208 			if ( $files_not_writable ) {
  1169 				return new WP_Error(
  1209 				return new WP_Error(
  1170 					'files_not_writable',
  1210 					'files_not_writable',
  1171 					__( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ),
  1211 					__( 'The update cannot be installed because your site is unable to copy some files. This is usually due to inconsistent file permissions.' ),
  1172 					implode( ', ', $error_data )
  1212 					implode( ', ', $error_data )
  1173 				);
  1213 				);
  1174 			}
  1214 			}
  1175 		}
  1215 		}
  1176 	}
  1216 	}
  1186 
  1226 
  1187 	/** This filter is documented in wp-admin/includes/update-core.php */
  1227 	/** This filter is documented in wp-admin/includes/update-core.php */
  1188 	apply_filters( 'update_feedback', __( 'Copying the required files…' ) );
  1228 	apply_filters( 'update_feedback', __( 'Copying the required files…' ) );
  1189 
  1229 
  1190 	// Copy new versions of WP files into place.
  1230 	// Copy new versions of WP files into place.
  1191 	$result = _copy_dir( $from . $distro, $to, $skip );
  1231 	$result = copy_dir( $from . $distro, $to, $skip );
  1192 
  1232 
  1193 	if ( is_wp_error( $result ) ) {
  1233 	if ( is_wp_error( $result ) ) {
  1194 		$result = new WP_Error(
  1234 		$result = new WP_Error(
  1195 			$result->get_error_code(),
  1235 			$result->get_error_code(),
  1196 			$result->get_error_message(),
  1236 			$result->get_error_message(),
  1202 	if ( ! is_wp_error( $result ) ) {
  1242 	if ( ! is_wp_error( $result ) ) {
  1203 		if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $to . 'wp-includes/version.php', true /* overwrite */ ) ) {
  1243 		if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $to . 'wp-includes/version.php', true /* overwrite */ ) ) {
  1204 			$wp_filesystem->delete( $from, true );
  1244 			$wp_filesystem->delete( $from, true );
  1205 			$result = new WP_Error(
  1245 			$result = new WP_Error(
  1206 				'copy_failed_for_version_file',
  1246 				'copy_failed_for_version_file',
  1207 				__( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ),
  1247 				__( 'The update cannot be installed because your site is unable to copy some files. This is usually due to inconsistent file permissions.' ),
  1208 				'wp-includes/version.php'
  1248 				'wp-includes/version.php'
  1209 			);
  1249 			);
  1210 		}
  1250 		}
  1211 
  1251 
  1212 		$wp_filesystem->chmod( $to . 'wp-includes/version.php', FS_CHMOD_FILE );
  1252 		$wp_filesystem->chmod( $to . 'wp-includes/version.php', FS_CHMOD_FILE );
  1224 	$skip   = array( 'wp-content' );
  1264 	$skip   = array( 'wp-content' );
  1225 	$failed = array();
  1265 	$failed = array();
  1226 
  1266 
  1227 	if ( isset( $checksums ) && is_array( $checksums ) ) {
  1267 	if ( isset( $checksums ) && is_array( $checksums ) ) {
  1228 		foreach ( $checksums as $file => $checksum ) {
  1268 		foreach ( $checksums as $file => $checksum ) {
       
  1269 			/*
       
  1270 			 * Note: str_starts_with() is not used here, as this file is included
       
  1271 			 * when updating from older WordPress versions, in which case
       
  1272 			 * the polyfills from wp-includes/compat.php may not be available.
       
  1273 			 */
  1229 			if ( 'wp-content' === substr( $file, 0, 10 ) ) {
  1274 			if ( 'wp-content' === substr( $file, 0, 10 ) ) {
  1230 				continue;
  1275 				continue;
  1231 			}
  1276 			}
  1232 
  1277 
  1233 			if ( ! file_exists( $working_dir_local . $file ) ) {
  1278 			if ( ! file_exists( $working_dir_local . $file ) ) {
  1257 			if ( file_exists( $working_dir_local . $file ) ) {
  1302 			if ( file_exists( $working_dir_local . $file ) ) {
  1258 				$total_size += filesize( $working_dir_local . $file );
  1303 				$total_size += filesize( $working_dir_local . $file );
  1259 			}
  1304 			}
  1260 		}
  1305 		}
  1261 
  1306 
  1262 		// If we don't have enough free space, it isn't worth trying again.
  1307 		/*
  1263 		// Unlikely to be hit due to the check in unzip_file().
  1308 		 * If we don't have enough free space, it isn't worth trying again.
       
  1309 		 * Unlikely to be hit due to the check in unzip_file().
       
  1310 		 */
  1264 		$available_space = function_exists( 'disk_free_space' ) ? @disk_free_space( ABSPATH ) : false;
  1311 		$available_space = function_exists( 'disk_free_space' ) ? @disk_free_space( ABSPATH ) : false;
  1265 
  1312 
  1266 		if ( $available_space && $total_size >= $available_space ) {
  1313 		if ( $available_space && $total_size >= $available_space ) {
  1267 			$result = new WP_Error( 'disk_full', __( 'There is not enough free disk space to complete the update.' ) );
  1314 			$result = new WP_Error( 'disk_full', __( 'There is not enough free disk space to complete the update.' ) );
  1268 		} else {
  1315 		} else {
  1269 			$result = _copy_dir( $from . $distro, $to, $skip );
  1316 			$result = copy_dir( $from . $distro, $to, $skip );
  1270 
  1317 
  1271 			if ( is_wp_error( $result ) ) {
  1318 			if ( is_wp_error( $result ) ) {
  1272 				$result = new WP_Error(
  1319 				$result = new WP_Error(
  1273 					$result->get_error_code() . '_retry',
  1320 					$result->get_error_code() . '_retry',
  1274 					$result->get_error_message(),
  1321 					$result->get_error_message(),
  1276 				);
  1323 				);
  1277 			}
  1324 			}
  1278 		}
  1325 		}
  1279 	}
  1326 	}
  1280 
  1327 
  1281 	// Custom content directory needs updating now.
  1328 	/*
  1282 	// Copy languages.
  1329 	 * Custom content directory needs updating now.
       
  1330 	 * Copy languages.
       
  1331 	 */
  1283 	if ( ! is_wp_error( $result ) && $wp_filesystem->is_dir( $from . $distro . 'wp-content/languages' ) ) {
  1332 	if ( ! is_wp_error( $result ) && $wp_filesystem->is_dir( $from . $distro . 'wp-content/languages' ) ) {
  1284 		if ( WP_LANG_DIR !== ABSPATH . WPINC . '/languages' || @is_dir( WP_LANG_DIR ) ) {
  1333 		if ( WP_LANG_DIR !== ABSPATH . WPINC . '/languages' || @is_dir( WP_LANG_DIR ) ) {
  1285 			$lang_dir = WP_LANG_DIR;
  1334 			$lang_dir = WP_LANG_DIR;
  1286 		} else {
  1335 		} else {
  1287 			$lang_dir = WP_CONTENT_DIR . '/languages';
  1336 			$lang_dir = WP_CONTENT_DIR . '/languages';
  1288 		}
  1337 		}
  1289 
  1338 		/*
       
  1339 		 * Note: str_starts_with() is not used here, as this file is included
       
  1340 		 * when updating from older WordPress versions, in which case
       
  1341 		 * the polyfills from wp-includes/compat.php may not be available.
       
  1342 		 */
  1290 		// Check if the language directory exists first.
  1343 		// Check if the language directory exists first.
  1291 		if ( ! @is_dir( $lang_dir ) && 0 === strpos( $lang_dir, ABSPATH ) ) {
  1344 		if ( ! @is_dir( $lang_dir ) && 0 === strpos( $lang_dir, ABSPATH ) ) {
  1292 			// If it's within the ABSPATH we can handle it here, otherwise they're out of luck.
  1345 			// If it's within the ABSPATH we can handle it here, otherwise they're out of luck.
  1293 			$wp_filesystem->mkdir( $to . str_replace( ABSPATH, '', $lang_dir ), FS_CHMOD_DIR );
  1346 			$wp_filesystem->mkdir( $to . str_replace( ABSPATH, '', $lang_dir ), FS_CHMOD_DIR );
  1294 			clearstatcache(); // For FTP, need to clear the stat cache.
  1347 			clearstatcache(); // For FTP, need to clear the stat cache.
  1315 	apply_filters( 'update_feedback', __( 'Disabling Maintenance mode…' ) );
  1368 	apply_filters( 'update_feedback', __( 'Disabling Maintenance mode…' ) );
  1316 
  1369 
  1317 	// Remove maintenance file, we're done with potential site-breaking changes.
  1370 	// Remove maintenance file, we're done with potential site-breaking changes.
  1318 	$wp_filesystem->delete( $maintenance_file );
  1371 	$wp_filesystem->delete( $maintenance_file );
  1319 
  1372 
  1320 	// 3.5 -> 3.5+ - an empty twentytwelve directory was created upon upgrade to 3.5 for some users,
  1373 	/*
  1321 	// preventing installation of Twenty Twelve.
  1374 	 * 3.5 -> 3.5+ - an empty twentytwelve directory was created upon upgrade to 3.5 for some users,
       
  1375 	 * preventing installation of Twenty Twelve.
       
  1376 	 */
  1322 	if ( '3.5' === $old_wp_version ) {
  1377 	if ( '3.5' === $old_wp_version ) {
  1323 		if ( is_dir( WP_CONTENT_DIR . '/themes/twentytwelve' )
  1378 		if ( is_dir( WP_CONTENT_DIR . '/themes/twentytwelve' )
  1324 			&& ! file_exists( WP_CONTENT_DIR . '/themes/twentytwelve/style.css' )
  1379 			&& ! file_exists( WP_CONTENT_DIR . '/themes/twentytwelve/style.css' )
  1325 		) {
  1380 		) {
  1326 			$wp_filesystem->delete( $wp_filesystem->wp_themes_dir() . 'twentytwelve/' );
  1381 			$wp_filesystem->delete( $wp_filesystem->wp_themes_dir() . 'twentytwelve/' );
  1371 					}
  1426 					}
  1372 
  1427 
  1373 					$wp_filesystem->mkdir( $dest . $filename, FS_CHMOD_DIR );
  1428 					$wp_filesystem->mkdir( $dest . $filename, FS_CHMOD_DIR );
  1374 					$_result = copy_dir( $from . $distro . 'wp-content/' . $file, $dest . $filename );
  1429 					$_result = copy_dir( $from . $distro . 'wp-content/' . $file, $dest . $filename );
  1375 
  1430 
  1376 					// If a error occurs partway through this final step, keep the error flowing through, but keep process going.
  1431 					/*
       
  1432 					 * If an error occurs partway through this final step,
       
  1433 					 * keep the error flowing through, but keep the process going.
       
  1434 					 */
  1377 					if ( is_wp_error( $_result ) ) {
  1435 					if ( is_wp_error( $_result ) ) {
  1378 						if ( ! is_wp_error( $result ) ) {
  1436 						if ( ! is_wp_error( $result ) ) {
  1379 							$result = new WP_Error;
  1437 							$result = new WP_Error();
  1380 						}
  1438 						}
  1381 
  1439 
  1382 						$result->add(
  1440 						$result->add(
  1383 							$_result->get_error_code() . "_$type",
  1441 							$_result->get_error_code() . "_$type",
  1384 							$_result->get_error_message(),
  1442 							$_result->get_error_message(),
  1415 	_upgrade_422_remove_genericons();
  1473 	_upgrade_422_remove_genericons();
  1416 
  1474 
  1417 	// Deactivate the REST API plugin if its version is 2.0 Beta 4 or lower.
  1475 	// Deactivate the REST API plugin if its version is 2.0 Beta 4 or lower.
  1418 	_upgrade_440_force_deactivate_incompatible_plugins();
  1476 	_upgrade_440_force_deactivate_incompatible_plugins();
  1419 
  1477 
  1420 	// Deactivate the Gutenberg plugin if its version is 11.8 or lower.
  1478 	// Deactivate incompatible plugins.
  1421 	_upgrade_590_force_deactivate_incompatible_plugins();
  1479 	_upgrade_core_deactivate_incompatible_plugins();
  1422 
  1480 
  1423 	// Upgrade DB with separate request.
  1481 	// Upgrade DB with separate request.
  1424 	/** This filter is documented in wp-admin/includes/update-core.php */
  1482 	/** This filter is documented in wp-admin/includes/update-core.php */
  1425 	apply_filters( 'update_feedback', __( 'Upgrading database…' ) );
  1483 	apply_filters( 'update_feedback', __( 'Upgrading database…' ) );
  1426 
  1484 
  1458 
  1516 
  1459 	return $wp_version;
  1517 	return $wp_version;
  1460 }
  1518 }
  1461 
  1519 
  1462 /**
  1520 /**
  1463  * Copies a directory from one location to another via the WordPress Filesystem Abstraction.
  1521  * Preloads old Requests classes and interfaces.
  1464  *
  1522  *
  1465  * Assumes that WP_Filesystem() has already been called and setup.
  1523  * This function preloads the old Requests code into memory before the
  1466  *
  1524  * upgrade process deletes the files. Why? Requests code is loaded into
  1467  * This is a standalone copy of the `copy_dir()` function that is used to
  1525  * memory via an autoloader, meaning when a class or interface is needed
  1468  * upgrade the core files. It is placed here so that the version of this
  1526  * If a request is in process, Requests could attempt to access code. If
  1469  * function from the *new* WordPress version will be called.
  1527  * the file is not there, a fatal error could occur. If the file was
  1470  *
  1528  * replaced, the new code is not compatible with the old, resulting in
  1471  * It was initially added for the 3.1 -> 3.2 upgrade.
  1529  * a fatal error. Preloading ensures the code is in memory before the
  1472  *
  1530  * code is updated.
  1473  * @ignore
  1531  *
  1474  * @since 3.2.0
  1532  * @since 6.2.0
  1475  * @since 3.7.0 Updated not to use a regular expression for the skip list.
  1533  *
  1476  *
  1534  * @global array              $_old_requests_files Requests files to be preloaded.
  1477  * @see copy_dir()
  1535  * @global WP_Filesystem_Base $wp_filesystem       WordPress filesystem subclass.
  1478  * @link https://core.trac.wordpress.org/ticket/17173
  1536  * @global string             $wp_version          The WordPress version string.
  1479  *
  1537  *
  1480  * @global WP_Filesystem_Base $wp_filesystem
  1538  * @param string $to Path to old WordPress installation.
  1481  *
       
  1482  * @param string   $from      Source directory.
       
  1483  * @param string   $to        Destination directory.
       
  1484  * @param string[] $skip_list Array of files/folders to skip copying.
       
  1485  * @return true|WP_Error True on success, WP_Error on failure.
       
  1486  */
  1539  */
  1487 function _copy_dir( $from, $to, $skip_list = array() ) {
  1540 function _preload_old_requests_classes_and_interfaces( $to ) {
  1488 	global $wp_filesystem;
  1541 	global $_old_requests_files, $wp_filesystem, $wp_version;
  1489 
  1542 
  1490 	$dirlist = $wp_filesystem->dirlist( $from );
  1543 	/*
  1491 
  1544 	 * Requests was introduced in WordPress 4.6.
  1492 	if ( false === $dirlist ) {
  1545 	 *
  1493 		return new WP_Error( 'dirlist_failed__copy_dir', __( 'Directory listing failed.' ), basename( $to ) );
  1546 	 * Skip preloading if the website was previously using
  1494 	}
  1547 	 * an earlier version of WordPress.
  1495 
  1548 	 */
  1496 	$from = trailingslashit( $from );
  1549 	if ( version_compare( $wp_version, '4.6', '<' ) ) {
  1497 	$to   = trailingslashit( $to );
  1550 		return;
  1498 
  1551 	}
  1499 	foreach ( (array) $dirlist as $filename => $fileinfo ) {
  1552 
  1500 		if ( in_array( $filename, $skip_list, true ) ) {
  1553 	if ( ! defined( 'REQUESTS_SILENCE_PSR0_DEPRECATIONS' ) ) {
       
  1554 		define( 'REQUESTS_SILENCE_PSR0_DEPRECATIONS', true );
       
  1555 	}
       
  1556 
       
  1557 	foreach ( $_old_requests_files as $name => $file ) {
       
  1558 		// Skip files that aren't interfaces or classes.
       
  1559 		if ( is_int( $name ) ) {
  1501 			continue;
  1560 			continue;
  1502 		}
  1561 		}
  1503 
  1562 
  1504 		if ( 'f' === $fileinfo['type'] ) {
  1563 		// Skip if it's already loaded.
  1505 			if ( ! $wp_filesystem->copy( $from . $filename, $to . $filename, true, FS_CHMOD_FILE ) ) {
  1564 		if ( class_exists( $name ) || interface_exists( $name ) ) {
  1506 				// If copy failed, chmod file to 0644 and try again.
  1565 			continue;
  1507 				$wp_filesystem->chmod( $to . $filename, FS_CHMOD_FILE );
  1566 		}
  1508 
  1567 
  1509 				if ( ! $wp_filesystem->copy( $from . $filename, $to . $filename, true, FS_CHMOD_FILE ) ) {
  1568 		// Skip if the file is missing.
  1510 					return new WP_Error( 'copy_failed__copy_dir', __( 'Could not copy file.' ), $to . $filename );
  1569 		if ( ! $wp_filesystem->is_file( $to . $file ) ) {
  1511 				}
  1570 			continue;
  1512 			}
  1571 		}
  1513 
  1572 
  1514 			/*
  1573 		require_once $to . $file;
  1515 			 * `wp_opcache_invalidate()` only exists in WordPress 5.5 or later,
  1574 	}
  1516 			 * so don't run it when upgrading from older versions.
       
  1517 			 */
       
  1518 			if ( function_exists( 'wp_opcache_invalidate' ) ) {
       
  1519 				wp_opcache_invalidate( $to . $filename );
       
  1520 			}
       
  1521 		} elseif ( 'd' === $fileinfo['type'] ) {
       
  1522 			if ( ! $wp_filesystem->is_dir( $to . $filename ) ) {
       
  1523 				if ( ! $wp_filesystem->mkdir( $to . $filename, FS_CHMOD_DIR ) ) {
       
  1524 					return new WP_Error( 'mkdir_failed__copy_dir', __( 'Could not create directory.' ), $to . $filename );
       
  1525 				}
       
  1526 			}
       
  1527 
       
  1528 			/*
       
  1529 			 * Generate the $sub_skip_list for the subdirectory as a sub-set
       
  1530 			 * of the existing $skip_list.
       
  1531 			 */
       
  1532 			$sub_skip_list = array();
       
  1533 
       
  1534 			foreach ( $skip_list as $skip_item ) {
       
  1535 				if ( 0 === strpos( $skip_item, $filename . '/' ) ) {
       
  1536 					$sub_skip_list[] = preg_replace( '!^' . preg_quote( $filename, '!' ) . '/!i', '', $skip_item );
       
  1537 				}
       
  1538 			}
       
  1539 
       
  1540 			$result = _copy_dir( $from . $filename, $to . $filename, $sub_skip_list );
       
  1541 
       
  1542 			if ( is_wp_error( $result ) ) {
       
  1543 				return $result;
       
  1544 			}
       
  1545 		}
       
  1546 	}
       
  1547 
       
  1548 	return true;
       
  1549 }
  1575 }
  1550 
  1576 
  1551 /**
  1577 /**
  1552  * Redirect to the About WordPress page after a successful upgrade.
  1578  * Redirect to the About WordPress page after a successful upgrade.
  1553  *
  1579  *
  1668 function _upgrade_422_find_genericons_files_in_folder( $directory ) {
  1694 function _upgrade_422_find_genericons_files_in_folder( $directory ) {
  1669 	$directory = trailingslashit( $directory );
  1695 	$directory = trailingslashit( $directory );
  1670 	$files     = array();
  1696 	$files     = array();
  1671 
  1697 
  1672 	if ( file_exists( "{$directory}example.html" )
  1698 	if ( file_exists( "{$directory}example.html" )
       
  1699 		/*
       
  1700 		 * Note: str_contains() is not used here, as this file is included
       
  1701 		 * when updating from older WordPress versions, in which case
       
  1702 		 * the polyfills from wp-includes/compat.php may not be available.
       
  1703 		 */
  1673 		&& false !== strpos( file_get_contents( "{$directory}example.html" ), '<title>Genericons</title>' )
  1704 		&& false !== strpos( file_get_contents( "{$directory}example.html" ), '<title>Genericons</title>' )
  1674 	) {
  1705 	) {
  1675 		$files[] = "{$directory}example.html";
  1706 		$files[] = "{$directory}example.html";
  1676 	}
  1707 	}
  1677 
  1708 
  1678 	$dirs = glob( $directory . '*', GLOB_ONLYDIR );
  1709 	$dirs = glob( $directory . '*', GLOB_ONLYDIR );
  1679 	$dirs = array_filter(
  1710 	$dirs = array_filter(
  1680 		$dirs,
  1711 		$dirs,
  1681 		static function( $dir ) {
  1712 		static function ( $dir ) {
  1682 			// Skip any node_modules directories.
  1713 			/*
       
  1714 			 * Skip any node_modules directories.
       
  1715 			 *
       
  1716 			 * Note: str_contains() is not used here, as this file is included
       
  1717 			 * when updating from older WordPress versions, in which case
       
  1718 			 * the polyfills from wp-includes/compat.php may not be available.
       
  1719 			 */
  1683 			return false === strpos( $dir, 'node_modules' );
  1720 			return false === strpos( $dir, 'node_modules' );
  1684 		}
  1721 		}
  1685 	);
  1722 	);
  1686 
  1723 
  1687 	if ( $dirs ) {
  1724 	if ( $dirs ) {
  1704 }
  1741 }
  1705 
  1742 
  1706 /**
  1743 /**
  1707  * @access private
  1744  * @access private
  1708  * @ignore
  1745  * @ignore
  1709  * @since 5.9.0
  1746  * @since 5.8.0
       
  1747  * @since 5.9.0 The minimum compatible version of Gutenberg is 11.9.
       
  1748  * @since 6.1.1 The minimum compatible version of Gutenberg is 14.1.
       
  1749  * @since 6.4.0 The minimum compatible version of Gutenberg is 16.5.
       
  1750  * @since 6.5.0 The minimum compatible version of Gutenberg is 17.6.
  1710  */
  1751  */
  1711 function _upgrade_590_force_deactivate_incompatible_plugins() {
  1752 function _upgrade_core_deactivate_incompatible_plugins() {
  1712 	if ( defined( 'GUTENBERG_VERSION' ) && version_compare( GUTENBERG_VERSION, '11.9', '<' ) ) {
  1753 	if ( defined( 'GUTENBERG_VERSION' ) && version_compare( GUTENBERG_VERSION, '17.6', '<' ) ) {
  1713 		$deactivated_gutenberg['gutenberg'] = array(
  1754 		$deactivated_gutenberg['gutenberg'] = array(
  1714 			'plugin_name'         => 'Gutenberg',
  1755 			'plugin_name'         => 'Gutenberg',
  1715 			'version_deactivated' => GUTENBERG_VERSION,
  1756 			'version_deactivated' => GUTENBERG_VERSION,
  1716 			'version_compatible'  => '11.9',
  1757 			'version_compatible'  => '17.6',
  1717 		);
  1758 		);
  1718 		if ( is_plugin_active_for_network( 'gutenberg/gutenberg.php' ) ) {
  1759 		if ( is_plugin_active_for_network( 'gutenberg/gutenberg.php' ) ) {
  1719 			$deactivated_plugins = get_site_option( 'wp_force_deactivated_plugins', array() );
  1760 			$deactivated_plugins = get_site_option( 'wp_force_deactivated_plugins', array() );
  1720 			$deactivated_plugins = array_merge( $deactivated_plugins, $deactivated_gutenberg );
  1761 			$deactivated_plugins = array_merge( $deactivated_plugins, $deactivated_gutenberg );
  1721 			update_site_option( 'wp_force_deactivated_plugins', $deactivated_plugins );
  1762 			update_site_option( 'wp_force_deactivated_plugins', $deactivated_plugins );