/wp-admin/includes/update-core.php
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1<?php 2/** 3 * WordPress core upgrade functionality. 4 * 5 * @package WordPress 6 * @subpackage Administration 7 * @since 2.7.0 8 */ 9 10/** 11 * Stores files to be deleted. 12 * 13 * @since 2.7.0 14 * @global array $_old_files 15 * @var array 16 * @name $_old_files 17 */ 18global $_old_files; 19 20$_old_files = array( 21// 2.0 22'wp-admin/import-b2.php', 23'wp-admin/import-blogger.php', 24'wp-admin/import-greymatter.php', 25'wp-admin/import-livejournal.php', 26'wp-admin/import-mt.php', 27'wp-admin/import-rss.php', 28'wp-admin/import-textpattern.php', 29'wp-admin/quicktags.js', 30'wp-images/fade-butt.png', 31'wp-images/get-firefox.png', 32'wp-images/header-shadow.png', 33'wp-images/smilies', 34'wp-images/wp-small.png', 35'wp-images/wpminilogo.png', 36'wp.php', 37// 2.0.8 38'wp-includes/js/tinymce/plugins/inlinepopups/readme.txt', 39// 2.1 40'wp-admin/edit-form-ajax-cat.php', 41'wp-admin/execute-pings.php', 42'wp-admin/inline-uploading.php', 43'wp-admin/link-categories.php', 44'wp-admin/list-manipulation.js', 45'wp-admin/list-manipulation.php', 46'wp-includes/comment-functions.php', 47'wp-includes/feed-functions.php', 48'wp-includes/functions-compat.php', 49'wp-includes/functions-formatting.php', 50'wp-includes/functions-post.php', 51'wp-includes/js/dbx-key.js', 52'wp-includes/js/tinymce/plugins/autosave/langs/cs.js', 53'wp-includes/js/tinymce/plugins/autosave/langs/sv.js', 54'wp-includes/links.php', 55'wp-includes/pluggable-functions.php', 56'wp-includes/template-functions-author.php', 57'wp-includes/template-functions-category.php', 58'wp-includes/template-functions-general.php', 59'wp-includes/template-functions-links.php', 60'wp-includes/template-functions-post.php', 61'wp-includes/wp-l10n.php', 62// 2.2 63'wp-admin/cat-js.php', 64'wp-admin/import/b2.php', 65'wp-includes/js/autosave-js.php', 66'wp-includes/js/list-manipulation-js.php', 67'wp-includes/js/wp-ajax-js.php', 68// 2.3 69'wp-admin/admin-db.php', 70'wp-admin/cat.js', 71'wp-admin/categories.js', 72'wp-admin/custom-fields.js', 73'wp-admin/dbx-admin-key.js', 74'wp-admin/edit-comments.js', 75'wp-admin/install-rtl.css', 76'wp-admin/install.css', 77'wp-admin/upgrade-schema.php', 78'wp-admin/upload-functions.php', 79'wp-admin/upload-rtl.css', 80'wp-admin/upload.css', 81'wp-admin/upload.js', 82'wp-admin/users.js', 83'wp-admin/widgets-rtl.css', 84'wp-admin/widgets.css', 85'wp-admin/xfn.js', 86'wp-includes/js/tinymce/license.html', 87// 2.5 88'wp-admin/css/upload.css', 89'wp-admin/images/box-bg-left.gif', 90'wp-admin/images/box-bg-right.gif', 91'wp-admin/images/box-bg.gif', 92'wp-admin/images/box-butt-left.gif', 93'wp-admin/images/box-butt-right.gif', 94'wp-admin/images/box-butt.gif', 95'wp-admin/images/box-head-left.gif', 96'wp-admin/images/box-head-right.gif', 97'wp-admin/images/box-head.gif', 98'wp-admin/images/heading-bg.gif', 99'wp-admin/images/login-bkg-bottom.gif', 100'wp-admin/images/login-bkg-tile.gif', 101'wp-admin/images/notice.gif', 102'wp-admin/images/toggle.gif', 103'wp-admin/includes/upload.php', 104'wp-admin/js/dbx-admin-key.js', 105'wp-admin/js/link-cat.js', 106'wp-admin/profile-update.php', 107'wp-admin/templates.php', 108'wp-includes/images/wlw/WpComments.png', 109'wp-includes/images/wlw/WpIcon.png', 110'wp-includes/images/wlw/WpWatermark.png', 111'wp-includes/js/dbx.js', 112'wp-includes/js/fat.js', 113'wp-includes/js/list-manipulation.js', 114'wp-includes/js/tinymce/langs/en.js', 115'wp-includes/js/tinymce/plugins/autosave/editor_plugin_src.js', 116'wp-includes/js/tinymce/plugins/autosave/langs', 117'wp-includes/js/tinymce/plugins/directionality/images', 118'wp-includes/js/tinymce/plugins/directionality/langs', 119'wp-includes/js/tinymce/plugins/inlinepopups/css', 120'wp-includes/js/tinymce/plugins/inlinepopups/images', 121'wp-includes/js/tinymce/plugins/inlinepopups/jscripts', 122'wp-includes/js/tinymce/plugins/paste/images', 123'wp-includes/js/tinymce/plugins/paste/jscripts', 124'wp-includes/js/tinymce/plugins/paste/langs', 125'wp-includes/js/tinymce/plugins/spellchecker/classes/HttpClient.class.php', 126'wp-includes/js/tinymce/plugins/spellchecker/classes/TinyGoogleSpell.class.php', 127'wp-includes/js/tinymce/plugins/spellchecker/classes/TinyPspell.class.php', 128'wp-includes/js/tinymce/plugins/spellchecker/classes/TinyPspellShell.class.php', 129'wp-includes/js/tinymce/plugins/spellchecker/css/spellchecker.css', 130'wp-includes/js/tinymce/plugins/spellchecker/images', 131'wp-includes/js/tinymce/plugins/spellchecker/langs', 132'wp-includes/js/tinymce/plugins/spellchecker/tinyspell.php', 133'wp-includes/js/tinymce/plugins/wordpress/images', 134'wp-includes/js/tinymce/plugins/wordpress/langs', 135'wp-includes/js/tinymce/plugins/wordpress/wordpress.css', 136'wp-includes/js/tinymce/plugins/wphelp', 137'wp-includes/js/tinymce/themes/advanced/css', 138'wp-includes/js/tinymce/themes/advanced/images', 139'wp-includes/js/tinymce/themes/advanced/jscripts', 140'wp-includes/js/tinymce/themes/advanced/langs', 141// 2.5.1 142'wp-includes/js/tinymce/tiny_mce_gzip.php', 143// 2.6 144'wp-admin/bookmarklet.php', 145'wp-includes/js/jquery/jquery.dimensions.min.js', 146'wp-includes/js/tinymce/plugins/wordpress/popups.css', 147'wp-includes/js/wp-ajax.js', 148// 2.7 149'wp-admin/css/press-this-ie-rtl.css', 150'wp-admin/css/press-this-ie.css', 151'wp-admin/css/upload-rtl.css', 152'wp-admin/edit-form.php', 153'wp-admin/images/comment-pill.gif', 154'wp-admin/images/comment-stalk-classic.gif', 155'wp-admin/images/comment-stalk-fresh.gif', 156'wp-admin/images/comment-stalk-rtl.gif', 157'wp-admin/images/del.png', 158'wp-admin/images/gear.png', 159'wp-admin/images/media-button-gallery.gif', 160'wp-admin/images/media-buttons.gif', 161'wp-admin/images/postbox-bg.gif', 162'wp-admin/images/tab.png', 163'wp-admin/images/tail.gif', 164'wp-admin/js/forms.js', 165'wp-admin/js/upload.js', 166'wp-admin/link-import.php', 167'wp-includes/images/audio.png', 168'wp-includes/images/css.png', 169'wp-includes/images/default.png', 170'wp-includes/images/doc.png', 171'wp-includes/images/exe.png', 172'wp-includes/images/html.png', 173'wp-includes/images/js.png', 174'wp-includes/images/pdf.png', 175'wp-includes/images/swf.png', 176'wp-includes/images/tar.png', 177'wp-includes/images/text.png', 178'wp-includes/images/video.png', 179'wp-includes/images/zip.png', 180'wp-includes/js/tinymce/tiny_mce_config.php', 181'wp-includes/js/tinymce/tiny_mce_ext.js', 182// 2.8 183'wp-admin/js/users.js', 184'wp-includes/js/swfupload/plugins/swfupload.documentready.js', 185'wp-includes/js/swfupload/plugins/swfupload.graceful_degradation.js', 186'wp-includes/js/swfupload/swfupload_f9.swf', 187'wp-includes/js/tinymce/plugins/autosave', 188'wp-includes/js/tinymce/plugins/paste/css', 189'wp-includes/js/tinymce/utils/mclayer.js', 190'wp-includes/js/tinymce/wordpress.css', 191// 2.8.5 192'wp-admin/import/btt.php', 193'wp-admin/import/jkw.php', 194// 2.9 195'wp-admin/js/page.dev.js', 196'wp-admin/js/page.js', 197'wp-admin/js/set-post-thumbnail-handler.dev.js', 198'wp-admin/js/set-post-thumbnail-handler.js', 199'wp-admin/js/slug.dev.js', 200'wp-admin/js/slug.js', 201'wp-includes/gettext.php', 202'wp-includes/js/tinymce/plugins/wordpress/js', 203'wp-includes/streams.php', 204// MU 205'README.txt', 206'htaccess.dist', 207'index-install.php', 208'wp-admin/css/mu-rtl.css', 209'wp-admin/css/mu.css', 210'wp-admin/images/site-admin.png', 211'wp-admin/includes/mu.php', 212'wp-admin/wpmu-admin.php', 213'wp-admin/wpmu-blogs.php', 214'wp-admin/wpmu-edit.php', 215'wp-admin/wpmu-options.php', 216'wp-admin/wpmu-themes.php', 217'wp-admin/wpmu-upgrade-site.php', 218'wp-admin/wpmu-users.php', 219'wp-includes/images/wordpress-mu.png', 220'wp-includes/wpmu-default-filters.php', 221'wp-includes/wpmu-functions.php', 222'wpmu-settings.php', 223// 3.0 224'wp-admin/categories.php', 225'wp-admin/edit-category-form.php', 226'wp-admin/edit-page-form.php', 227'wp-admin/edit-pages.php', 228'wp-admin/images/admin-header-footer.png', 229'wp-admin/images/browse-happy.gif', 230'wp-admin/images/ico-add.png', 231'wp-admin/images/ico-close.png', 232'wp-admin/images/ico-edit.png', 233'wp-admin/images/ico-viewpage.png', 234'wp-admin/images/fav-top.png', 235'wp-admin/images/screen-options-left.gif', 236'wp-admin/images/wp-logo-vs.gif', 237'wp-admin/images/wp-logo.gif', 238'wp-admin/import', 239'wp-admin/js/wp-gears.dev.js', 240'wp-admin/js/wp-gears.js', 241'wp-admin/options-misc.php', 242'wp-admin/page-new.php', 243'wp-admin/page.php', 244'wp-admin/rtl.css', 245'wp-admin/rtl.dev.css', 246'wp-admin/update-links.php', 247'wp-admin/wp-admin.css', 248'wp-admin/wp-admin.dev.css', 249'wp-includes/js/codepress', 250'wp-includes/js/codepress/engines/khtml.js', 251'wp-includes/js/codepress/engines/older.js', 252'wp-includes/js/jquery/autocomplete.dev.js', 253'wp-includes/js/jquery/autocomplete.js', 254'wp-includes/js/jquery/interface.js', 255'wp-includes/js/scriptaculous/prototype.js', 256'wp-includes/js/tinymce/wp-tinymce.js', 257// 3.1 258'wp-admin/edit-attachment-rows.php', 259'wp-admin/edit-link-categories.php', 260'wp-admin/edit-link-category-form.php', 261'wp-admin/edit-post-rows.php', 262'wp-admin/images/button-grad-active-vs.png', 263'wp-admin/images/button-grad-vs.png', 264'wp-admin/images/fav-arrow-vs-rtl.gif', 265'wp-admin/images/fav-arrow-vs.gif', 266'wp-admin/images/fav-top-vs.gif', 267'wp-admin/images/list-vs.png', 268'wp-admin/images/screen-options-right-up.gif', 269'wp-admin/images/screen-options-right.gif', 270'wp-admin/images/visit-site-button-grad-vs.gif', 271'wp-admin/images/visit-site-button-grad.gif', 272'wp-admin/link-category.php', 273'wp-admin/sidebar.php', 274'wp-includes/classes.php', 275'wp-includes/js/tinymce/blank.htm', 276'wp-includes/js/tinymce/plugins/media/css/content.css', 277'wp-includes/js/tinymce/plugins/media/img', 278'wp-includes/js/tinymce/plugins/safari', 279// 3.2 280'wp-admin/images/logo-login.gif', 281'wp-admin/images/star.gif', 282'wp-admin/js/list-table.dev.js', 283'wp-admin/js/list-table.js', 284'wp-includes/default-embeds.php', 285'wp-includes/js/tinymce/plugins/wordpress/img/help.gif', 286'wp-includes/js/tinymce/plugins/wordpress/img/more.gif', 287'wp-includes/js/tinymce/plugins/wordpress/img/toolbars.gif', 288'wp-includes/js/tinymce/themes/advanced/img/fm.gif', 289'wp-includes/js/tinymce/themes/advanced/img/sflogo.png', 290// 3.3 291'wp-admin/css/colors-classic-rtl.css', 292'wp-admin/css/colors-classic-rtl.dev.css', 293'wp-admin/css/colors-fresh-rtl.css', 294'wp-admin/css/colors-fresh-rtl.dev.css', 295'wp-admin/css/dashboard-rtl.dev.css', 296'wp-admin/css/dashboard.dev.css', 297'wp-admin/css/global-rtl.css', 298'wp-admin/css/global-rtl.dev.css', 299'wp-admin/css/global.css', 300'wp-admin/css/global.dev.css', 301'wp-admin/css/install-rtl.dev.css', 302'wp-admin/css/login-rtl.dev.css', 303'wp-admin/css/login.dev.css', 304'wp-admin/css/ms.css', 305'wp-admin/css/ms.dev.css', 306'wp-admin/css/nav-menu-rtl.css', 307'wp-admin/css/nav-menu-rtl.dev.css', 308'wp-admin/css/nav-menu.css', 309'wp-admin/css/nav-menu.dev.css', 310'wp-admin/css/plugin-install-rtl.css', 311'wp-admin/css/plugin-install-rtl.dev.css', 312'wp-admin/css/plugin-install.css', 313'wp-admin/css/plugin-install.dev.css', 314'wp-admin/css/press-this-rtl.dev.css', 315'wp-admin/css/press-this.dev.css', 316'wp-admin/css/theme-editor-rtl.css', 317'wp-admin/css/theme-editor-rtl.dev.css', 318'wp-admin/css/theme-editor.css', 319'wp-admin/css/theme-editor.dev.css', 320'wp-admin/css/theme-install-rtl.css', 321'wp-admin/css/theme-install-rtl.dev.css', 322'wp-admin/css/theme-install.css', 323'wp-admin/css/theme-install.dev.css', 324'wp-admin/css/widgets-rtl.dev.css', 325'wp-admin/css/widgets.dev.css', 326'wp-admin/includes/internal-linking.php', 327'wp-includes/images/admin-bar-sprite-rtl.png', 328'wp-includes/js/jquery/ui.button.js', 329'wp-includes/js/jquery/ui.core.js', 330'wp-includes/js/jquery/ui.dialog.js', 331'wp-includes/js/jquery/ui.draggable.js', 332'wp-includes/js/jquery/ui.droppable.js', 333'wp-includes/js/jquery/ui.mouse.js', 334'wp-includes/js/jquery/ui.position.js', 335'wp-includes/js/jquery/ui.resizable.js', 336'wp-includes/js/jquery/ui.selectable.js', 337'wp-includes/js/jquery/ui.sortable.js', 338'wp-includes/js/jquery/ui.tabs.js', 339'wp-includes/js/jquery/ui.widget.js', 340'wp-includes/js/l10n.dev.js', 341'wp-includes/js/l10n.js', 342'wp-includes/js/tinymce/plugins/wplink/css', 343'wp-includes/js/tinymce/plugins/wplink/img', 344'wp-includes/js/tinymce/plugins/wplink/js', 345'wp-includes/js/tinymce/themes/advanced/img/wpicons.png', 346'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/butt2.png', 347'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/button_bg.png', 348'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/down_arrow.gif', 349'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/fade-butt.png', 350'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/separator.gif', 351// Don't delete, yet: 'wp-rss.php', 352// Don't delete, yet: 'wp-rdf.php', 353// Don't delete, yet: 'wp-rss2.php', 354// Don't delete, yet: 'wp-commentsrss2.php', 355// Don't delete, yet: 'wp-atom.php', 356// Don't delete, yet: 'wp-feed.php', 357// 3.4 358'wp-admin/images/gray-star.png', 359'wp-admin/images/logo-login.png', 360'wp-admin/images/star.png', 361'wp-admin/index-extra.php', 362'wp-admin/network/index-extra.php', 363'wp-admin/user/index-extra.php', 364'wp-admin/images/screenshots/admin-flyouts.png', 365'wp-admin/images/screenshots/coediting.png', 366'wp-admin/images/screenshots/drag-and-drop.png', 367'wp-admin/images/screenshots/help-screen.png', 368'wp-admin/images/screenshots/media-icon.png', 369'wp-admin/images/screenshots/new-feature-pointer.png', 370'wp-admin/images/screenshots/welcome-screen.png', 371'wp-includes/css/editor-buttons.css', 372'wp-includes/css/editor-buttons.dev.css', 373'wp-includes/js/tinymce/plugins/paste/blank.htm', 374'wp-includes/js/tinymce/plugins/wordpress/css', 375'wp-includes/js/tinymce/plugins/wordpress/editor_plugin.dev.js', 376'wp-includes/js/tinymce/plugins/wordpress/img/embedded.png', 377'wp-includes/js/tinymce/plugins/wordpress/img/more_bug.gif', 378'wp-includes/js/tinymce/plugins/wordpress/img/page_bug.gif', 379'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin.dev.js', 380'wp-includes/js/tinymce/plugins/wpeditimage/css/editimage-rtl.css', 381'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin.dev.js', 382'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin.dev.js', 383'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.dev.js', 384'wp-includes/js/tinymce/plugins/wpgallery/img/gallery.png', 385'wp-includes/js/tinymce/plugins/wplink/editor_plugin.dev.js', 386// Don't delete, yet: 'wp-pass.php', 387// Don't delete, yet: 'wp-register.php', 388// 3.5 389'wp-admin/gears-manifest.php', 390'wp-admin/includes/manifest.php', 391'wp-admin/images/archive-link.png', 392'wp-admin/images/blue-grad.png', 393'wp-admin/images/button-grad-active.png', 394'wp-admin/images/button-grad.png', 395'wp-admin/images/ed-bg-vs.gif', 396'wp-admin/images/ed-bg.gif', 397'wp-admin/images/fade-butt.png', 398'wp-admin/images/fav-arrow-rtl.gif', 399'wp-admin/images/fav-arrow.gif', 400'wp-admin/images/fav-vs.png', 401'wp-admin/images/fav.png', 402'wp-admin/images/gray-grad.png', 403'wp-admin/images/loading-publish.gif', 404'wp-admin/images/logo-ghost.png', 405'wp-admin/images/logo.gif', 406'wp-admin/images/menu-arrow-frame-rtl.png', 407'wp-admin/images/menu-arrow-frame.png', 408'wp-admin/images/menu-arrows.gif', 409'wp-admin/images/menu-bits-rtl-vs.gif', 410'wp-admin/images/menu-bits-rtl.gif', 411'wp-admin/images/menu-bits-vs.gif', 412'wp-admin/images/menu-bits.gif', 413'wp-admin/images/menu-dark-rtl-vs.gif', 414'wp-admin/images/menu-dark-rtl.gif', 415'wp-admin/images/menu-dark-vs.gif', 416'wp-admin/images/menu-dark.gif', 417'wp-admin/images/required.gif', 418'wp-admin/images/screen-options-toggle-vs.gif', 419'wp-admin/images/screen-options-toggle.gif', 420'wp-admin/images/toggle-arrow-rtl.gif', 421'wp-admin/images/toggle-arrow.gif', 422'wp-admin/images/upload-classic.png', 423'wp-admin/images/upload-fresh.png', 424'wp-admin/images/white-grad-active.png', 425'wp-admin/images/white-grad.png', 426'wp-admin/images/widgets-arrow-vs.gif', 427'wp-admin/images/widgets-arrow.gif', 428'wp-admin/images/wpspin_dark.gif', 429'wp-includes/images/upload.png', 430'wp-includes/js/prototype.js', 431'wp-includes/js/scriptaculous', 432'wp-admin/css/wp-admin-rtl.dev.css', 433'wp-admin/css/wp-admin.dev.css', 434'wp-admin/css/media-rtl.dev.css', 435'wp-admin/css/media.dev.css', 436'wp-admin/css/colors-classic.dev.css', 437'wp-admin/css/customize-controls-rtl.dev.css', 438'wp-admin/css/customize-controls.dev.css', 439'wp-admin/css/ie-rtl.dev.css', 440'wp-admin/css/ie.dev.css', 441'wp-admin/css/install.dev.css', 442'wp-admin/css/colors-fresh.dev.css', 443'wp-includes/js/customize-base.dev.js', 444'wp-includes/js/json2.dev.js', 445'wp-includes/js/comment-reply.dev.js', 446'wp-includes/js/customize-preview.dev.js', 447'wp-includes/js/wplink.dev.js', 448'wp-includes/js/tw-sack.dev.js', 449'wp-includes/js/wp-list-revisions.dev.js', 450'wp-includes/js/autosave.dev.js', 451'wp-includes/js/admin-bar.dev.js', 452'wp-includes/js/quicktags.dev.js', 453'wp-includes/js/wp-ajax-response.dev.js', 454'wp-includes/js/wp-pointer.dev.js', 455'wp-includes/js/hoverIntent.dev.js', 456'wp-includes/js/colorpicker.dev.js', 457'wp-includes/js/wp-lists.dev.js', 458'wp-includes/js/customize-loader.dev.js', 459'wp-includes/js/jquery/jquery.table-hotkeys.dev.js', 460'wp-includes/js/jquery/jquery.color.dev.js', 461'wp-includes/js/jquery/jquery.color.js', 462'wp-includes/js/jquery/jquery.hotkeys.dev.js', 463'wp-includes/js/jquery/jquery.form.dev.js', 464'wp-includes/js/jquery/suggest.dev.js', 465'wp-admin/js/xfn.dev.js', 466'wp-admin/js/set-post-thumbnail.dev.js', 467'wp-admin/js/comment.dev.js', 468'wp-admin/js/theme.dev.js', 469'wp-admin/js/cat.dev.js', 470'wp-admin/js/password-strength-meter.dev.js', 471'wp-admin/js/user-profile.dev.js', 472'wp-admin/js/theme-preview.dev.js', 473'wp-admin/js/post.dev.js', 474'wp-admin/js/media-upload.dev.js', 475'wp-admin/js/word-count.dev.js', 476'wp-admin/js/plugin-install.dev.js', 477'wp-admin/js/edit-comments.dev.js', 478'wp-admin/js/media-gallery.dev.js', 479'wp-admin/js/custom-fields.dev.js', 480'wp-admin/js/custom-background.dev.js', 481'wp-admin/js/common.dev.js', 482'wp-admin/js/inline-edit-tax.dev.js', 483'wp-admin/js/gallery.dev.js', 484'wp-admin/js/utils.dev.js', 485'wp-admin/js/widgets.dev.js', 486'wp-admin/js/wp-fullscreen.dev.js', 487'wp-admin/js/nav-menu.dev.js', 488'wp-admin/js/dashboard.dev.js', 489'wp-admin/js/link.dev.js', 490'wp-admin/js/user-suggest.dev.js', 491'wp-admin/js/postbox.dev.js', 492'wp-admin/js/tags.dev.js', 493'wp-admin/js/image-edit.dev.js', 494'wp-admin/js/media.dev.js', 495'wp-admin/js/customize-controls.dev.js', 496'wp-admin/js/inline-edit-post.dev.js', 497'wp-admin/js/categories.dev.js', 498'wp-admin/js/editor.dev.js', 499'wp-includes/js/tinymce/plugins/wpeditimage/js/editimage.dev.js', 500'wp-includes/js/tinymce/plugins/wpdialogs/js/popup.dev.js', 501'wp-includes/js/tinymce/plugins/wpdialogs/js/wpdialog.dev.js', 502'wp-includes/js/plupload/handlers.dev.js', 503'wp-includes/js/plupload/wp-plupload.dev.js', 504'wp-includes/js/swfupload/handlers.dev.js', 505'wp-includes/js/jcrop/jquery.Jcrop.dev.js', 506'wp-includes/js/jcrop/jquery.Jcrop.js', 507'wp-includes/js/jcrop/jquery.Jcrop.css', 508'wp-includes/js/imgareaselect/jquery.imgareaselect.dev.js', 509'wp-includes/css/wp-pointer.dev.css', 510'wp-includes/css/editor.dev.css', 511'wp-includes/css/jquery-ui-dialog.dev.css', 512'wp-includes/css/admin-bar-rtl.dev.css', 513'wp-includes/css/admin-bar.dev.css', 514'wp-includes/js/jquery/ui/jquery.effects.clip.min.js', 515'wp-includes/js/jquery/ui/jquery.effects.scale.min.js', 516'wp-includes/js/jquery/ui/jquery.effects.blind.min.js', 517'wp-includes/js/jquery/ui/jquery.effects.core.min.js', 518'wp-includes/js/jquery/ui/jquery.effects.shake.min.js', 519'wp-includes/js/jquery/ui/jquery.effects.fade.min.js', 520'wp-includes/js/jquery/ui/jquery.effects.explode.min.js', 521'wp-includes/js/jquery/ui/jquery.effects.slide.min.js', 522'wp-includes/js/jquery/ui/jquery.effects.drop.min.js', 523'wp-includes/js/jquery/ui/jquery.effects.highlight.min.js', 524'wp-includes/js/jquery/ui/jquery.effects.bounce.min.js', 525'wp-includes/js/jquery/ui/jquery.effects.pulsate.min.js', 526'wp-includes/js/jquery/ui/jquery.effects.transfer.min.js', 527'wp-includes/js/jquery/ui/jquery.effects.fold.min.js', 528'wp-admin/images/screenshots/captions-1.png', 529'wp-admin/images/screenshots/captions-2.png', 530'wp-admin/images/screenshots/flex-header-1.png', 531'wp-admin/images/screenshots/flex-header-2.png', 532'wp-admin/images/screenshots/flex-header-3.png', 533'wp-admin/images/screenshots/flex-header-media-library.png', 534'wp-admin/images/screenshots/theme-customizer.png', 535'wp-admin/images/screenshots/twitter-embed-1.png', 536'wp-admin/images/screenshots/twitter-embed-2.png', 537'wp-admin/js/utils.js', 538'wp-admin/options-privacy.php', 539'wp-app.php', 540'wp-includes/class-wp-atom-server.php', 541'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/ui.css', 542// 3.5.2 543'wp-includes/js/swfupload/swfupload-all.js', 544// 3.6 545'wp-admin/js/revisions-js.php', 546'wp-admin/images/screenshots', 547'wp-admin/js/categories.js', 548'wp-admin/js/categories.min.js', 549'wp-admin/js/custom-fields.js', 550'wp-admin/js/custom-fields.min.js', 551// 3.7 552'wp-admin/js/cat.js', 553'wp-admin/js/cat.min.js', 554'wp-includes/js/tinymce/plugins/wpeditimage/js/editimage.min.js', 555// 3.8 556'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/page_bug.gif', 557'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/more_bug.gif', 558'wp-includes/js/thickbox/tb-close-2x.png', 559'wp-includes/js/thickbox/tb-close.png', 560'wp-includes/images/wpmini-blue-2x.png', 561'wp-includes/images/wpmini-blue.png', 562'wp-admin/css/colors-fresh.css', 563'wp-admin/css/colors-classic.css', 564'wp-admin/css/colors-fresh.min.css', 565'wp-admin/css/colors-classic.min.css', 566'wp-admin/js/about.min.js', 567'wp-admin/js/about.js', 568'wp-admin/images/arrows-dark-vs-2x.png', 569'wp-admin/images/wp-logo-vs.png', 570'wp-admin/images/arrows-dark-vs.png', 571'wp-admin/images/wp-logo.png', 572'wp-admin/images/arrows-pr.png', 573'wp-admin/images/arrows-dark.png', 574'wp-admin/images/press-this.png', 575'wp-admin/images/press-this-2x.png', 576'wp-admin/images/arrows-vs-2x.png', 577'wp-admin/images/welcome-icons.png', 578'wp-admin/images/wp-logo-2x.png', 579'wp-admin/images/stars-rtl-2x.png', 580'wp-admin/images/arrows-dark-2x.png', 581'wp-admin/images/arrows-pr-2x.png', 582'wp-admin/images/menu-shadow-rtl.png', 583'wp-admin/images/arrows-vs.png', 584'wp-admin/images/about-search-2x.png', 585'wp-admin/images/bubble_bg-rtl-2x.gif', 586'wp-admin/images/wp-badge-2x.png', 587'wp-admin/images/wordpress-logo-2x.png', 588'wp-admin/images/bubble_bg-rtl.gif', 589'wp-admin/images/wp-badge.png', 590'wp-admin/images/menu-shadow.png', 591'wp-admin/images/about-globe-2x.png', 592'wp-admin/images/welcome-icons-2x.png', 593'wp-admin/images/stars-rtl.png', 594'wp-admin/images/wp-logo-vs-2x.png', 595'wp-admin/images/about-updates-2x.png', 596// 3.9 597'wp-admin/css/colors.css', 598'wp-admin/css/colors.min.css', 599'wp-admin/css/colors-rtl.css', 600'wp-admin/css/colors-rtl.min.css', 601'wp-admin/css/media-rtl.min.css', 602'wp-admin/css/media.min.css', 603'wp-admin/css/farbtastic-rtl.min.css', 604'wp-admin/images/lock-2x.png', 605'wp-admin/images/lock.png', 606'wp-admin/js/theme-preview.js', 607'wp-admin/js/theme-install.min.js', 608'wp-admin/js/theme-install.js', 609'wp-admin/js/theme-preview.min.js', 610'wp-includes/js/plupload/plupload.html4.js', 611'wp-includes/js/plupload/plupload.html5.js', 612'wp-includes/js/plupload/changelog.txt', 613'wp-includes/js/plupload/plupload.silverlight.js', 614'wp-includes/js/plupload/plupload.flash.js', 615'wp-includes/js/plupload/plupload.js', 616'wp-includes/js/tinymce/plugins/spellchecker', 617'wp-includes/js/tinymce/plugins/inlinepopups', 618'wp-includes/js/tinymce/plugins/media/js', 619'wp-includes/js/tinymce/plugins/media/css', 620'wp-includes/js/tinymce/plugins/wordpress/img', 621'wp-includes/js/tinymce/plugins/wpdialogs/js', 622'wp-includes/js/tinymce/plugins/wpeditimage/img', 623'wp-includes/js/tinymce/plugins/wpeditimage/js', 624'wp-includes/js/tinymce/plugins/wpeditimage/css', 625'wp-includes/js/tinymce/plugins/wpgallery/img', 626'wp-includes/js/tinymce/plugins/wpfullscreen/css', 627'wp-includes/js/tinymce/plugins/paste/js', 628'wp-includes/js/tinymce/themes/advanced', 629'wp-includes/js/tinymce/tiny_mce.js', 630'wp-includes/js/tinymce/mark_loaded_src.js', 631'wp-includes/js/tinymce/wp-tinymce-schema.js', 632'wp-includes/js/tinymce/plugins/media/editor_plugin.js', 633'wp-includes/js/tinymce/plugins/media/editor_plugin_src.js', 634'wp-includes/js/tinymce/plugins/media/media.htm', 635'wp-includes/js/tinymce/plugins/wpview/editor_plugin_src.js', 636'wp-includes/js/tinymce/plugins/wpview/editor_plugin.js', 637'wp-includes/js/tinymce/plugins/directionality/editor_plugin.js', 638'wp-includes/js/tinymce/plugins/directionality/editor_plugin_src.js', 639'wp-includes/js/tinymce/plugins/wordpress/editor_plugin.js', 640'wp-includes/js/tinymce/plugins/wordpress/editor_plugin_src.js', 641'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin_src.js', 642'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin.js', 643'wp-includes/js/tinymce/plugins/wpeditimage/editimage.html', 644'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin.js', 645'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin_src.js', 646'wp-includes/js/tinymce/plugins/fullscreen/editor_plugin_src.js', 647'wp-includes/js/tinymce/plugins/fullscreen/fullscreen.htm', 648'wp-includes/js/tinymce/plugins/fullscreen/editor_plugin.js', 649'wp-includes/js/tinymce/plugins/wplink/editor_plugin_src.js', 650'wp-includes/js/tinymce/plugins/wplink/editor_plugin.js', 651'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin_src.js', 652'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.js', 653'wp-includes/js/tinymce/plugins/tabfocus/editor_plugin.js', 654'wp-includes/js/tinymce/plugins/tabfocus/editor_plugin_src.js', 655'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin.js', 656'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin_src.js', 657'wp-includes/js/tinymce/plugins/paste/editor_plugin.js', 658'wp-includes/js/tinymce/plugins/paste/pasteword.htm', 659'wp-includes/js/tinymce/plugins/paste/editor_plugin_src.js', 660'wp-includes/js/tinymce/plugins/paste/pastetext.htm', 661'wp-includes/js/tinymce/langs/wp-langs.php', 662// 4.1 663'wp-includes/js/jquery/ui/jquery.ui.accordion.min.js', 664'wp-includes/js/jquery/ui/jquery.ui.autocomplete.min.js', 665'wp-includes/js/jquery/ui/jquery.ui.button.min.js', 666'wp-includes/js/jquery/ui/jquery.ui.core.min.js', 667'wp-includes/js/jquery/ui/jquery.ui.datepicker.min.js', 668'wp-includes/js/jquery/ui/jquery.ui.dialog.min.js', 669'wp-includes/js/jquery/ui/jquery.ui.draggable.min.js', 670'wp-includes/js/jquery/ui/jquery.ui.droppable.min.js', 671'wp-includes/js/jquery/ui/jquery.ui.effect-blind.min.js', 672'wp-includes/js/jquery/ui/jquery.ui.effect-bounce.min.js', 673'wp-includes/js/jquery/ui/jquery.ui.effect-clip.min.js', 674'wp-includes/js/jquery/ui/jquery.ui.effect-drop.min.js', 675'wp-includes/js/jquery/ui/jquery.ui.effect-explode.min.js', 676'wp-includes/js/jquery/ui/jquery.ui.effect-fade.min.js', 677'wp-includes/js/jquery/ui/jquery.ui.effect-fold.min.js', 678'wp-includes/js/jquery/ui/jquery.ui.effect-highlight.min.js', 679'wp-includes/js/jquery/ui/jquery.ui.effect-pulsate.min.js', 680'wp-includes/js/jquery/ui/jquery.ui.effect-scale.min.js', 681'wp-includes/js/jquery/ui/jquery.ui.effect-shake.min.js', 682'wp-includes/js/jquery/ui/jquery.ui.effect-slide.min.js', 683'wp-includes/js/jquery/ui/jquery.ui.effect-transfer.min.js', 684'wp-includes/js/jquery/ui/jquery.ui.effect.min.js', 685'wp-includes/js/jquery/ui/jquery.ui.menu.min.js', 686'wp-includes/js/jquery/ui/jquery.ui.mouse.min.js', 687'wp-includes/js/jquery/ui/jquery.ui.position.min.js', 688'wp-includes/js/jquery/ui/jquery.ui.progressbar.min.js', 689'wp-includes/js/jquery/ui/jquery.ui.resizable.min.js', 690'wp-includes/js/jquery/ui/jquery.ui.selectable.min.js', 691'wp-includes/js/jquery/ui/jquery.ui.slider.min.js', 692'wp-includes/js/jquery/ui/jquery.ui.sortable.min.js', 693'wp-includes/js/jquery/ui/jquery.ui.spinner.min.js', 694'wp-includes/js/jquery/ui/jquery.ui.tabs.min.js', 695'wp-includes/js/jquery/ui/jquery.ui.tooltip.min.js', 696'wp-includes/js/jquery/ui/jquery.ui.widget.min.js', 697'wp-includes/js/tinymce/skins/wordpress/images/dashicon-no-alt.png' 698); 699 700/** 701 * Stores new files in wp-content to copy 702 * 703 * The contents of this array indicate any new bundled plugins/themes which 704 * should be installed with the WordPress Upgrade. These items will not be 705 * re-installed in future upgrades, this behaviour is controlled by the 706 * introduced version present here being older than the current installed version. 707 * 708 * The content of this array should follow the following format: 709 * Filename (relative to wp-content) => Introduced version 710 * Directories should be noted by suffixing it with a trailing slash (/) 711 * 712 * @since 3.2.0 713 * @global array $_new_bundled_files 714 * @var array 715 * @name $_new_bundled_files 716 */ 717global $_new_bundled_files; 718 719$_new_bundled_files = array( 720 'plugins/akismet/' => '2.0', 721 'themes/twentyten/' => '3.0', 722 'themes/twentyeleven/' => '3.2', 723 'themes/twentytwelve/' => '3.5', 724 'themes/twentythirteen/' => '3.6', 725 'themes/twentyfourteen/' => '3.8', 726 'themes/twentyfifteen/' => '4.1', 727); 728 729/** 730 * Upgrade the core of WordPress. 731 * 732 * This will create a .maintenance file at the base of the WordPress directory 733 * to ensure that people can not access the web site, when the files are being 734 * copied to their locations. 735 * 736 * The files in the {@link $_old_files} list will be removed and the new files 737 * copied from the zip file after the database is upgraded. 738 * 739 * The files in the {@link $_new_bundled_files} list will be added to the installation 740 * if the version is greater than or equal to the old version being upgraded. 741 * 742 * The steps for the upgrader for after the new release is downloaded and 743 * unzipped is: 744 * 1. Test unzipped location for select files to ensure that unzipped worked. 745 * 2. Create the .maintenance file in current WordPress base. 746 * 3. Copy new WordPress directory over old WordPress files. 747 * 4. Upgrade WordPress to new version. 748 * 4.1. Copy all files/folders other than wp-content 749 * 4.2. Copy any language files to WP_LANG_DIR (which may differ from WP_CONTENT_DIR 750 * 4.3. Copy any new bundled themes/plugins to their respective locations 751 * 5. Delete new WordPress directory path. 752 * 6. Delete .maintenance file. 753 * 7. Remove old files. 754 * 8. Delete 'update_core' option. 755 * 756 * There are several areas of failure. For instance if PHP times out before step 757 * 6, then you will not be able to access any portion of your site. Also, since 758 * the upgrade will not continue where it left off, you will not be able to 759 * automatically remove old files and remove the 'update_core' option. This 760 * isn't that bad. 761 * 762 * If the copy of the new WordPress over the old fails, then the worse is that 763 * the new WordPress directory will remain. 764 * 765 * If it is assumed that every file will be copied over, including plugins and 766 * themes, then if you edit the default theme, you should rename it, so that 767 * your changes remain. 768 * 769 * @since 2.7.0 770 * 771 * @param string $from New release unzipped path. 772 * @param string $to Path to old WordPress installation. 773 * @return WP_Error|null WP_Error on failure, null on success. 774 */ 775function update_core($from, $to) { 776 global $wp_filesystem, $_old_files, $_new_bundled_files, $wpdb; 777 778 @set_time_limit( 300 ); 779 780 /** 781 * Filter feedback messages displayed during the core update process. 782 * 783 * The filter is first evaluated after the zip file for the latest version 784 * has been downloaded and unzipped. It is evaluated five more times during 785 * the process: 786 * 787 * 1. Before WordPress begins the core upgrade process. 788 * 2. Before Maintenance Mode is enabled. 789 * 3. Before WordPress begins copying over the necessary files. 790 * 4. Before Maintenance Mode is disabled. 791 * 5. Before the database is upgraded. 792 * 793 * @since 2.5.0 794 * 795 * @param string $feedback The core update feedback messages. 796 */ 797 apply_filters( 'update_feedback', __( 'Verifying the unpacked files…' ) ); 798 799 // Sanity check the unzipped distribution. 800 $distro = ''; 801 $roots = array( '/wordpress/', '/wordpress-mu/' ); 802 foreach ( $roots as $root ) { 803 if ( $wp_filesystem->exists( $from . $root . 'readme.html' ) && $wp_filesystem->exists( $from . $root . 'wp-includes/version.php' ) ) { 804 $distro = $root; 805 break; 806 } 807 } 808 if ( ! $distro ) { 809 $wp_filesystem->delete( $from, true ); 810 return new WP_Error( 'insane_distro', __('The update could not be unpacked') ); 811 } 812 813 // Import $wp_version, $required_php_version, and $required_mysql_version from the new version 814 // $wp_filesystem->wp_content_dir() returned unslashed pre-2.8 815 global $wp_version, $required_php_version, $required_mysql_version; 816 817 $versions_file = trailingslashit( $wp_filesystem->wp_content_dir() ) . 'upgrade/version-current.php'; 818 if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $versions_file ) ) { 819 $wp_filesystem->delete( $from, true ); 820 return new WP_Error( 'copy_failed_for_version_file', __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ), 'wp-includes/version.php' ); 821 } 822 823 $wp_filesystem->chmod( $versions_file, FS_CHMOD_FILE ); 824 require( WP_CONTENT_DIR . '/upgrade/version-current.php' ); 825 $wp_filesystem->delete( $versions_file ); 826 827 $php_version = phpversion(); 828 $mysql_version = $wpdb->db_version(); 829 $old_wp_version = $wp_version; // The version of WordPress we're updating from 830 $development_build = ( false !== strpos( $old_wp_version . $wp_version, '-' ) ); // a dash in the version indicates a Development release 831 $php_compat = version_compare( $php_version, $required_php_version, '>=' ); 832 if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) 833 $mysql_compat = true; 834 else 835 $mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' ); 836 837 if ( !$mysql_compat || !$php_compat ) 838 $wp_filesystem->delete($from, true); 839 840 if ( !$mysql_compat && !$php_compat ) 841 return new WP_Error( 'php_mysql_not_compatible', sprintf( __('The update cannot be installed because WordPress %1$s requires PHP version %2$s or higher and MySQL version %3$s or higher. You are running PHP version %4$s and MySQL version %5$s.'), $wp_version, $required_php_version, $required_mysql_version, $php_version, $mysql_version ) ); 842 elseif ( !$php_compat ) 843 return new WP_Error( 'php_not_compatible', sprintf( __('The update cannot be installed because WordPress %1$s requires PHP version %2$s or higher. You are running version %3$s.'), $wp_version, $required_php_version, $php_version ) ); 844 elseif ( !$mysql_compat ) 845 return new WP_Error( 'mysql_not_compatible', sprintf( __('The update cannot be installed because WordPress %1$s requires MySQL version %2$s or higher. You are running version %3$s.'), $wp_version, $required_mysql_version, $mysql_version ) ); 846 847 /** This filter is documented in wp-admin/includes/update-core.php */ 848 apply_filters( 'update_feedback', __( 'Preparing to install the latest version…' ) ); 849 850 // Don't copy wp-content, we'll deal with that below 851 // We also copy version.php last so failed updates report their old version 852 $skip = array( 'wp-content', 'wp-includes/version.php' ); 853 $check_is_writable = array(); 854 855 // Check to see which files don't really need updating - only available for 3.7 and higher 856 if ( function_exists( 'get_core_checksums' ) ) { 857 // Find the local version of the working directory 858 $working_dir_local = WP_CONTENT_DIR . '/upgrade/' . basename( $from ) . $distro; 859 860 $checksums = get_core_checksums( $wp_version, isset( $wp_local_package ) ? $wp_local_package : 'en_US' ); 861 if ( is_array( $checksums ) && isset( $checksums[ $wp_version ] ) ) 862 $checksums = $checksums[ $wp_version ]; // Compat code for 3.7-beta2 863 if ( is_array( $checksums ) ) { 864 foreach( $checksums as $file => $checksum ) { 865 if ( 'wp-content' == substr( $file, 0, 10 ) ) 866 continue; 867 if ( ! file_exists( ABSPATH . $file ) ) 868 continue; 869 if ( ! file_exists( $working_dir_local . $file ) ) 870 continue; 871 if ( md5_file( ABSPATH . $file ) === $checksum ) 872 $skip[] = $file; 873 else 874 $check_is_writable[ $file ] = ABSPATH . $file; 875 } 876 } 877 } 878 879 // If we're using the direct method, we can predict write failures that are due to permissions. 880 if ( $check_is_writable && 'direct' === $wp_filesystem->method ) { 881 $files_writable = array_filter( $check_is_writable, array( $wp_filesystem, 'is_writable' ) ); 882 if ( $files_writable !== $check_is_writable ) { 883 $files_not_writable = array_diff_key( $check_is_writable, $files_writable ); 884 foreach ( $files_not_writable as $relative_file_not_writable => $file_not_writable ) { 885 // If the writable check failed, chmod file to 0644 and try again, same as copy_dir(). 886 $wp_filesystem->chmod( $file_not_writable, FS_CHMOD_FILE ); 887 if ( $wp_filesystem->is_writable( $file_not_writable ) ) 888 unset( $files_not_writable[ $relative_file_not_writable ] ); 889 } 890 891 // Store package-relative paths (the key) of non-writable files in the WP_Error object. 892 $error_data = version_compare( $old_wp_version, '3.7-beta2', '>' ) ? array_keys( $files_not_writable ) : ''; 893 894 if ( $files_not_writable ) 895 return new WP_Error( 'files_not_writable', __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ), implode( ', ', $error_data ) ); 896 } 897 } 898 899 /** This filter is documented in wp-admin/includes/update-core.php */ 900 apply_filters( 'update_feedback', __( 'Enabling Maintenance mode…' ) ); 901 // Create maintenance file to signal that we are upgrading 902 $maintenance_string = '<?php $upgrading = ' . time() . '; ?>'; 903 $maintenance_file = $to . '.maintenance'; 904 $wp_filesystem->delete($maintenance_file); 905 $wp_filesystem->put_contents($maintenance_file, $maintenance_string, FS_CHMOD_FILE); 906 907 /** This filter is documented in wp-admin/includes/update-core.php */ 908 apply_filters( 'update_feedback', __( 'Copying the required files…' ) ); 909 // Copy new versions of WP files into place. 910 $result = _copy_dir( $from . $distro, $to, $skip ); 911 if ( is_wp_error( $result ) ) 912 $result = new WP_Error( $result->get_error_code(), $result->get_error_message(), substr( $result->get_error_data(), strlen( $to ) ) ); 913 914 // Since we know the core files have copied over, we can now copy the version file 915 if ( ! is_wp_error( $result ) ) { 916 if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $to . 'wp-includes/version.php', true /* overwrite */ ) ) { 917 $wp_filesystem->delete( $from, true ); 918 $result = new WP_Error( 'copy_failed_for_version_file', __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ), 'wp-includes/version.php' ); 919 } 920 $wp_filesystem->chmod( $to . 'wp-includes/version.php', FS_CHMOD_FILE ); 921 } 922 923 // Check to make sure everything copied correctly, ignoring the contents of wp-content 924 $skip = array( 'wp-content' ); 925 $failed = array(); 926 if ( isset( $checksums ) && is_array( $checksums ) ) { 927 foreach ( $checksums as $file => $checksum ) { 928 if ( 'wp-content' == substr( $file, 0, 10 ) ) 929 continue; 930 if ( ! file_exists( $working_dir_local . $file ) ) 931 continue; 932 if ( file_exists( ABSPATH . $file ) && md5_file( ABSPATH . $file ) == $checksum ) 933 $skip[] = $file; 934 else 935 $failed[] = $file; 936 } 937 } 938 939 // Some files didn't copy properly 940 if ( ! empty( $failed ) ) { 941 $total_size = 0; 942 foreach ( $failed as $file ) { 943 if ( file_exists( $working_dir_local . $file ) ) 944 $total_size += filesize( $working_dir_local . $file ); 945 } 946 947 // If we don't have enough free space, it isn't worth trying again. 948 // Unlikely to be hit due to the check in unzip_file(). 949 $available_space = @disk_free_space( ABSPATH ); 950 if ( $available_space && $total_size >= $available_space ) { 951 $result = new WP_Error( 'disk_full', __( 'There is not enough free disk space to complete the update.' ) ); 952 } else { 953 $result = _copy_dir( $from . $distro, $to, $skip ); 954 if ( is_wp_error( $result ) ) 955 $result = new WP_Error( $result->get_error_code() . '_retry', $result->get_error_message(), substr( $result->get_error_data(), strlen( $to ) ) ); 956 } 957 } 958 959 // Custom Content Directory needs updating now. 960 // Copy Languages 961 if ( !is_wp_error($result) && $wp_filesystem->is_dir($from . $distro . 'wp-content/languages') ) { 962 if ( WP_LANG_DIR != ABSPATH . WPINC . '/languages' || @is_dir(WP_LANG_DIR) ) 963 $lang_dir = WP_LANG_DIR; 964 else 965 $lang_dir = WP_CONTENT_DIR . '/languages'; 966 967 if ( !@is_dir($lang_dir) && 0 === strpos($lang_dir, ABSPATH) ) { // Check the language directory exists first 968 $wp_filesystem->mkdir($to . str_replace(ABSPATH, '', $lang_dir), FS_CHMOD_DIR); // If it's within the ABSPATH we can handle it here, otherwise they're out of luck. 969 clearstatcache(); // for FTP, Need to clear the stat cache 970 } 971 972 if ( @is_dir($lang_dir) ) { 973 $wp_lang_dir = $wp_filesystem->find_folder($lang_dir); 974 if ( $wp_lang_dir ) { 975 $result = copy_dir($from . $distro . 'wp-content/languages/', $wp_lang_dir); 976 if ( is_wp_error( $result ) ) 977 $result = new WP_Error( $result->get_error_code() . '_languages', $result->get_error_message(), substr( $result->get_error_data(), strlen( $wp_lang_dir ) ) ); 978 } 979 } 980 } 981 982 /** This filter is documented in wp-admin/includes/update-core.php */ 983 apply_filters( 'update_feedback', __( 'Disabling Maintenance mode…' ) ); 984 // Remove maintenance file, we're done with potential site-breaking changes 985 $wp_filesystem->delete( $maintenance_file ); 986 987 // 3.5 -> 3.5+ - an empty twentytwelve directory was created upon upgrade to 3.5 for some users, preventing installation of Twenty Twelve. 988 if ( '3.5' == $old_wp_version ) { 989 if ( is_dir( WP_CONTENT_DIR . '/themes/twentytwelve' ) && ! file_exists( WP_CONTENT_DIR . '/themes/twentytwelve/style.css' ) ) { 990 $wp_filesystem->delete( $wp_filesystem->wp_themes_dir() . 'twentytwelve/' ); 991 } 992 } 993 994 // Copy New bundled plugins & themes 995 // This gives us the ability to install new plugins & themes bundled with future versions of WordPress whilst avoiding the re-install upon upgrade issue. 996 // $development_build controls us overwriting bundled themes and plugins when a non-stable release is being updated 997 if ( !is_wp_error($result) && ( ! defined('CORE_UPGRADE_SKIP_NEW_BUNDLED') || ! CORE_UPGRADE_SKIP_NEW_BUNDLED ) ) { 998 foreach ( (array) $_new_bundled_files as $file => $introduced_version ) { 999 // If a $development_build or if $introduced version is greater than what the site was previously running 1000 if ( $development_build || version_compare( $introduced_version, $old_wp_version, '>' ) ) { 1001 $directory = ('/' == $file[ strlen($file)-1 ]); 1002 list($type, $filename) = explode('/', $file, 2); 1003 1004 // Check to see if the bundled items exist before attempting to copy them 1005 if ( ! $wp_filesystem->exists( $from . $distro . 'wp-content/' . $file ) ) 1006 continue; 1007 1008 if ( 'plugins' == $type ) 1009 $dest = $wp_filesystem->wp_plugins_dir(); 1010 elseif ( 'themes' == $type ) 1011 $dest = trailingslashit($wp_filesystem->wp_themes_dir()); // Back-compat, ::wp_themes_dir() did not return trailingslash'd pre-3.2 1012 else 1013 continue; 1014 1015 if ( ! $directory ) { 1016 if ( ! $development_build && $wp_filesystem->exists( $dest . $filename ) ) 1017 continue; 1018 1019 if ( ! $wp_filesystem->copy($from . $distro . 'wp-content/' . $file, $dest . $filename, FS_CHMOD_FILE) ) 1020 $result = new WP_Error( "copy_failed_for_new_bundled_$type", __( 'Could not copy file.' ), $dest . $filename ); 1021 } else { 1022 if ( ! $development_build && $wp_filesystem->is_dir( $dest . $filename ) ) 1023 continue; 1024 1025 $wp_filesystem->mkdir($dest . $filename, FS_CHMOD_DIR); 1026 $_result = copy_dir( $from . $distro . 'wp-content/' . $file, $dest . $filename); 1027 1028 // If a error occurs partway through this final step, keep the error flowing through, but keep process going. 1029 if ( is_wp_error( $_result ) ) { 1030 if ( ! is_wp_error( $result ) ) 1031 $result = new WP_Error; 1032 $result->add( $_result->get_error_code() . "_$type", $_result->get_error_message(), substr( $_result->get_error_data(), strlen( $dest ) ) ); 1033 } 1034 } 1035 } 1036 } //end foreach 1037 } 1038 1039 // Handle $result error from the above blocks 1040 if ( is_wp_error($result) ) { 1041 $wp_filesystem->delete($from, true); 1042 return $result; 1043 } 1044 1045 // Remove old files 1046 foreach ( $_old_files as $old_file ) { 1047 $old_file = $to . $old_file; 1048 if ( !$wp_filesystem->exists($old_file) ) 1049 continue; 1050 $wp_filesystem->delete($old_file, true); 1051 } 1052 1053 // Remove any Genericons example.html's from the filesystem 1054 _upgrade_422_remove_genericons(); 1055 1056 // Upgrade DB with separate request 1057 /** This filter is documented in wp-admin/includes/update-core.php */ 1058 apply_filters( 'update_feedback', __( 'Upgrading database…' ) ); 1059 $db_upgrade_url = admin_url('upgrade.php?step=upgrade_db'); 1060 wp_remote_post($db_upgrade_url, array('timeout' => 60)); 1061 1062 // Clear the cache to prevent an update_option() from saving a stale db_version to the cache 1063 wp_cache_flush(); 1064 // (Not all cache backends listen to 'flush') 1065 wp_cache_delete( 'alloptions', 'options' ); 1066 1067 // Remove working directory 1068 $wp_filesystem->delete($from, true); 1069 1070 // Force refresh of update information 1071 if ( function_exists('delete_site_transient') ) 1072 delete_site_transient('update_core'); 1073 else 1074 delete_option('update_core'); 1075 1076 /** 1077 * Fires after WordPress core has been successfully updated. 1078 * 1079 * @since 3.3.0 1080 * 1081 * @param string $wp_version The current WordPress version. 1082 */ 1083 do_action( '_core_updated_successfully', $wp_version ); 1084 1085 // Clear the option that blocks auto updates after failures, now that we've been successful. 1086 if ( function_exists( 'delete_site_option' ) ) 1087 delete_site_option( 'auto_core_update_failed' ); 1088 1089 return $wp_version; 1090} 1091 1092/** 1093 * Copies a directory from one location to another via the WordPress Filesystem Abstraction. 1094 * Assumes that WP_Filesystem() has already been called and setup. 1095 * 1096 * This is a temporary function for the 3.1 -> 3.2 upgrade, as well as for those upgrading to 1097 * 3.7+ 1098 * 1099 * @ignore 1100 * @since 3.2.0 1101 * @since 3.7.0 Updated not to use a regular expression for the skip list 1102 * @see copy_dir() 1103 * 1104 * @param string $from source directory 1105 * @param string $to destination directory 1106 * @param array $skip_list a list of files/folders to skip copying 1107 * @return mixed WP_Error on failure, True on success. 1108 */ 1109function _copy_dir($from, $to, $skip_list = array() ) { 1110 global $wp_filesystem; 1111 1112 $dirlist = $wp_filesystem->dirlist($from); 1113 1114 $from = trailingslashit($from); 1115 $to = trailingslashit($to); 1116 1117 foreach ( (array) $dirlist as $filename => $fileinfo ) { 1118 if ( in_array( $filename, $skip_list ) ) 1119 continue; 1120 1121 if ( 'f' == $fileinfo['type'] ) { 1122 if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) ) { 1123 // If copy failed, chmod file to 0644 and try again. 1124 $wp_filesystem->chmod( $to . $filename, FS_CHMOD_FILE ); 1125 if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) ) 1126 return new WP_Error( 'copy_failed__copy_dir', __( 'Could not copy file.' ), $to . $filename ); 1127 } 1128 } elseif ( 'd' == $fileinfo['type'] ) { 1129 if ( !$wp_filesystem->is_dir($to . $filename) ) { 1130 if ( !$wp_filesystem->mkdir($to . $filename, FS_CHMOD_DIR) ) 1131 return new WP_Error( 'mkdir_failed__copy_dir', __( 'Could not create directory.' ), $to . $filename ); 1132 } 1133 1134 /* 1135 * Generate the $sub_skip_list for the subdirectory as a sub-set 1136 * of the existing $skip_list. 1137 */ 1138 $sub_skip_list = array(); 1139 foreach ( $skip_list as $skip_item ) { 1140 if ( 0 === strpos( $skip_item, $filename . '/' ) ) 1141 $sub_skip_list[] = preg_replace( '!^' . preg_quote( $filename, '!' ) . '/!i', '', $skip_item ); 1142 } 1143 1144 $result = _copy_dir($from . $filename, $to . $filename, $sub_skip_list); 1145 if ( is_wp_error($result) ) 1146 return $result; 1147 } 1148 } 1149 return true; 1150} 1151 1152/** 1153 * Redirect to the About WordPress page after a successful upgrade. 1154 * 1155 * This function is only needed when the existing install is older than 3.4.0. 1156 * 1157 * @since 3.3.0 1158 * 1159 */ 1160function _redirect_to_about_wordpress( $new_version ) { 1161 global $wp_version, $pagenow, $action; 1162 1163 if ( version_compare( $wp_version, '3.4-RC1', '>=' ) ) 1164 return; 1165 1166 // Ensure we only run this on the update-core.php page. The Core_Upgrader may be used in other contexts. 1167 if ( 'update-core.php' != $pagenow ) 1168 return; 1169 1170 if ( 'do-core-upgrade' != $action && 'do-core-reinstall' != $action ) 1171 return; 1172 1173 // Load the updated default text localization domain for new strings. 1174 load_default_textdomain(); 1175 1176 // See do_core_upgrade() 1177 show_message( __('WordPress updated successfully') ); 1178 1179 // self_admin_url() won't exist when upgrading from <= 3.0, so relative URLs are intentional. 1180 show_message( '<span class="hide-if-no-js">' . sprintf( __( 'Welcome to WordPress %1$s. You will be redirected to the About WordPress screen. If not, click <a href="%2$s">here</a>.' ), $new_version, 'about.php?updated' ) . '</span>' ); 1181 show_message( '<span class="hide-if-js">' . sprintf( __( 'Welcome to WordPress %1$s. <a href="%2$s">Learn more</a>.' ), $new_version, 'about.php?updated' ) . '</span>' ); 1182 echo '</div>'; 1183 ?> 1184<script type="text/javascript"> 1185window.location = 'about.php?updated'; 1186</script> 1187 <?php 1188 1189 // Include admin-footer.php and exit. 1190 include(ABSPATH . 'wp-admin/admin-footer.php'); 1191 exit(); 1192} 1193add_action( '_core_updated_successfully', '_redirect_to_about_wordpress' ); 1194 1195/** 1196 * Cleans up Genericons example files. 1197 * 1198 * @since 4.2.2 1199 */ 1200function _upgrade_422_remove_genericons() { 1201 global $wp_theme_directories, $wp_filesystem; 1202 1203 // A list of the affected files using the filesystem absolute paths. 1204 $affected_files = array(); 1205 1206 // Themes 1207 foreach ( $wp_theme_directories as $directory ) { 1208 $affected_theme_files = _upgrade_422_find_genericons_files_in_folder( $directory ); 1209 $affected_files = array_merge( $affected_files, $affected_theme_files ); 1210 } 1211 1212 // Plugins 1213 $affected_plugin_files = _upgrade_422_find_genericons_files_in_folder( WP_PLUGIN_DIR ); 1214 $affected_files = array_merge( $affected_files, $affected_plugin_files ); 1215 1216 foreach ( $affected_files as $file ) { 1217 $gen_dir = $wp_filesystem->find_folder( trailingslashit( dirname( $file ) ) ); 1218 if ( empty( $gen_dir ) ) { 1219 continue; 1220 } 1221 1222 // The path when the file is accessed via WP_Filesystem may differ in the case of FTP 1223 $remote_file = $gen_dir . basename( $file ); 1224 1225 if ( ! $wp_filesystem->exists( $remote_file ) ) { 1226 continue; 1227 } 1228 1229 if ( ! $wp_filesystem->delete( $remote_file, false, 'f' ) ) { 1230 $wp_filesystem->put_contents( $remote_file, '' ); 1231 } 1232 } 1233} 1234 1235/** 1236 * Recursively find Genericons example files in a given folder. 1237 * 1238 * @ignore 1239 * @since 4.2.2 1240 * 1241 * @param string $directory Directory path. Expects trailingslashed. 1242 * @return array 1243 */ 1244function _upgrade_422_find_genericons_files_in_folder( $directory ) { 1245 $directory = trailingslashit( $directory ); 1246 $files = array(); 1247 1248 if ( file_exists( "{$directory}example.html" ) && false !== strpos( file_get_contents( "{$directory}example.html" ), '<title>Genericons</titleā¦
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