/php/wp-admin/includes/update-core.php
PHP | 1053 lines | 818 code | 60 blank | 175 comment | 93 complexity | ba4b520a3a840f3303e3c32a17b4c941 MD5 | raw file
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.css', 296'wp-admin/css/dashboard-rtl.dev.css', 297'wp-admin/css/dashboard.css', 298'wp-admin/css/dashboard.dev.css', 299'wp-admin/css/farbtastic-rtl.css', 300'wp-admin/css/global-rtl.css', 301'wp-admin/css/global-rtl.dev.css', 302'wp-admin/css/global.css', 303'wp-admin/css/global.dev.css', 304'wp-admin/css/install-rtl.css', 305'wp-admin/css/install-rtl.dev.css', 306'wp-admin/css/login-rtl.css', 307'wp-admin/css/login-rtl.dev.css', 308'wp-admin/css/login.css', 309'wp-admin/css/login.dev.css', 310'wp-admin/css/ms.css', 311'wp-admin/css/ms.dev.css', 312'wp-admin/css/nav-menu-rtl.css', 313'wp-admin/css/nav-menu-rtl.dev.css', 314'wp-admin/css/nav-menu.css', 315'wp-admin/css/nav-menu.dev.css', 316'wp-admin/css/plugin-install-rtl.css', 317'wp-admin/css/plugin-install-rtl.dev.css', 318'wp-admin/css/plugin-install.css', 319'wp-admin/css/plugin-install.dev.css', 320'wp-admin/css/press-this-rtl.css', 321'wp-admin/css/press-this-rtl.dev.css', 322'wp-admin/css/press-this.css', 323'wp-admin/css/press-this.dev.css', 324'wp-admin/css/theme-editor-rtl.css', 325'wp-admin/css/theme-editor-rtl.dev.css', 326'wp-admin/css/theme-editor.css', 327'wp-admin/css/theme-editor.dev.css', 328'wp-admin/css/theme-install-rtl.css', 329'wp-admin/css/theme-install-rtl.dev.css', 330'wp-admin/css/theme-install.css', 331'wp-admin/css/theme-install.dev.css', 332'wp-admin/css/widgets-rtl.css', 333'wp-admin/css/widgets-rtl.dev.css', 334'wp-admin/css/widgets.css', 335'wp-admin/css/widgets.dev.css', 336'wp-admin/includes/internal-linking.php', 337'wp-includes/images/admin-bar-sprite-rtl.png', 338'wp-includes/js/jquery/ui.button.js', 339'wp-includes/js/jquery/ui.core.js', 340'wp-includes/js/jquery/ui.dialog.js', 341'wp-includes/js/jquery/ui.draggable.js', 342'wp-includes/js/jquery/ui.droppable.js', 343'wp-includes/js/jquery/ui.mouse.js', 344'wp-includes/js/jquery/ui.position.js', 345'wp-includes/js/jquery/ui.resizable.js', 346'wp-includes/js/jquery/ui.selectable.js', 347'wp-includes/js/jquery/ui.sortable.js', 348'wp-includes/js/jquery/ui.tabs.js', 349'wp-includes/js/jquery/ui.widget.js', 350'wp-includes/js/l10n.dev.js', 351'wp-includes/js/l10n.js', 352'wp-includes/js/tinymce/plugins/wplink/css', 353'wp-includes/js/tinymce/plugins/wplink/img', 354'wp-includes/js/tinymce/plugins/wplink/js', 355'wp-includes/js/tinymce/themes/advanced/img/wpicons.png', 356'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/butt2.png', 357'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/button_bg.png', 358'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/down_arrow.gif', 359'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/fade-butt.png', 360'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/separator.gif', 361// Don't delete, yet: 'wp-rss.php', 362// Don't delete, yet: 'wp-rdf.php', 363// Don't delete, yet: 'wp-rss2.php', 364// Don't delete, yet: 'wp-commentsrss2.php', 365// Don't delete, yet: 'wp-atom.php', 366// Don't delete, yet: 'wp-feed.php', 367// 3.4 368'wp-admin/images/gray-star.png', 369'wp-admin/images/logo-login.png', 370'wp-admin/images/star.png', 371'wp-admin/index-extra.php', 372'wp-admin/network/index-extra.php', 373'wp-admin/user/index-extra.php', 374'wp-admin/images/screenshots/admin-flyouts.png', 375'wp-admin/images/screenshots/coediting.png', 376'wp-admin/images/screenshots/drag-and-drop.png', 377'wp-admin/images/screenshots/help-screen.png', 378'wp-admin/images/screenshots/media-icon.png', 379'wp-admin/images/screenshots/new-feature-pointer.png', 380'wp-admin/images/screenshots/welcome-screen.png', 381'wp-includes/css/editor-buttons.css', 382'wp-includes/css/editor-buttons.dev.css', 383'wp-includes/js/tinymce/plugins/paste/blank.htm', 384'wp-includes/js/tinymce/plugins/wordpress/css', 385'wp-includes/js/tinymce/plugins/wordpress/editor_plugin.dev.js', 386'wp-includes/js/tinymce/plugins/wordpress/img/embedded.png', 387'wp-includes/js/tinymce/plugins/wordpress/img/more_bug.gif', 388'wp-includes/js/tinymce/plugins/wordpress/img/page_bug.gif', 389'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin.dev.js', 390'wp-includes/js/tinymce/plugins/wpeditimage/css/editimage-rtl.css', 391'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin.dev.js', 392'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin.dev.js', 393'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.dev.js', 394'wp-includes/js/tinymce/plugins/wpgallery/img/gallery.png', 395'wp-includes/js/tinymce/plugins/wplink/editor_plugin.dev.js', 396// Don't delete, yet: 'wp-pass.php', 397// Don't delete, yet: 'wp-register.php', 398// 3.5 399'wp-admin/gears-manifest.php', 400'wp-admin/includes/manifest.php', 401'wp-admin/images/archive-link.png', 402'wp-admin/images/blue-grad.png', 403'wp-admin/images/button-grad-active.png', 404'wp-admin/images/button-grad.png', 405'wp-admin/images/ed-bg-vs.gif', 406'wp-admin/images/ed-bg.gif', 407'wp-admin/images/fade-butt.png', 408'wp-admin/images/fav-arrow-rtl.gif', 409'wp-admin/images/fav-arrow.gif', 410'wp-admin/images/fav-vs.png', 411'wp-admin/images/fav.png', 412'wp-admin/images/gray-grad.png', 413'wp-admin/images/loading-publish.gif', 414'wp-admin/images/logo-ghost.png', 415'wp-admin/images/logo.gif', 416'wp-admin/images/menu-arrow-frame-rtl.png', 417'wp-admin/images/menu-arrow-frame.png', 418'wp-admin/images/menu-arrows.gif', 419'wp-admin/images/menu-bits-rtl-vs.gif', 420'wp-admin/images/menu-bits-rtl.gif', 421'wp-admin/images/menu-bits-vs.gif', 422'wp-admin/images/menu-bits.gif', 423'wp-admin/images/menu-dark-rtl-vs.gif', 424'wp-admin/images/menu-dark-rtl.gif', 425'wp-admin/images/menu-dark-vs.gif', 426'wp-admin/images/menu-dark.gif', 427'wp-admin/images/required.gif', 428'wp-admin/images/screen-options-toggle-vs.gif', 429'wp-admin/images/screen-options-toggle.gif', 430'wp-admin/images/toggle-arrow-rtl.gif', 431'wp-admin/images/toggle-arrow.gif', 432'wp-admin/images/upload-classic.png', 433'wp-admin/images/upload-fresh.png', 434'wp-admin/images/white-grad-active.png', 435'wp-admin/images/white-grad.png', 436'wp-admin/images/widgets-arrow-vs.gif', 437'wp-admin/images/widgets-arrow.gif', 438'wp-admin/images/wpspin_dark.gif', 439'wp-includes/images/upload.png', 440'wp-includes/js/prototype.js', 441'wp-includes/js/scriptaculous', 442'wp-admin/css/wp-admin-rtl.dev.css', 443'wp-admin/css/wp-admin.dev.css', 444'wp-admin/css/media-rtl.dev.css', 445'wp-admin/css/media.dev.css', 446'wp-admin/css/colors-classic.dev.css', 447'wp-admin/css/customize-controls-rtl.dev.css', 448'wp-admin/css/customize-controls.dev.css', 449'wp-admin/css/ie-rtl.dev.css', 450'wp-admin/css/ie.dev.css', 451'wp-admin/css/install.dev.css', 452'wp-admin/css/colors-fresh.dev.css', 453'wp-includes/js/customize-base.dev.js', 454'wp-includes/js/json2.dev.js', 455'wp-includes/js/comment-reply.dev.js', 456'wp-includes/js/customize-preview.dev.js', 457'wp-includes/js/wplink.dev.js', 458'wp-includes/js/tw-sack.dev.js', 459'wp-includes/js/wp-list-revisions.dev.js', 460'wp-includes/js/autosave.dev.js', 461'wp-includes/js/admin-bar.dev.js', 462'wp-includes/js/quicktags.dev.js', 463'wp-includes/js/wp-ajax-response.dev.js', 464'wp-includes/js/wp-pointer.dev.js', 465'wp-includes/js/hoverIntent.dev.js', 466'wp-includes/js/colorpicker.dev.js', 467'wp-includes/js/wp-lists.dev.js', 468'wp-includes/js/customize-loader.dev.js', 469'wp-includes/js/jquery/jquery.table-hotkeys.dev.js', 470'wp-includes/js/jquery/jquery.color.dev.js', 471'wp-includes/js/jquery/jquery.color.js', 472'wp-includes/js/jquery/jquery.hotkeys.dev.js', 473'wp-includes/js/jquery/jquery.form.dev.js', 474'wp-includes/js/jquery/suggest.dev.js', 475'wp-admin/js/xfn.dev.js', 476'wp-admin/js/set-post-thumbnail.dev.js', 477'wp-admin/js/comment.dev.js', 478'wp-admin/js/theme.dev.js', 479'wp-admin/js/cat.dev.js', 480'wp-admin/js/password-strength-meter.dev.js', 481'wp-admin/js/user-profile.dev.js', 482'wp-admin/js/theme-preview.dev.js', 483'wp-admin/js/post.dev.js', 484'wp-admin/js/media-upload.dev.js', 485'wp-admin/js/word-count.dev.js', 486'wp-admin/js/plugin-install.dev.js', 487'wp-admin/js/edit-comments.dev.js', 488'wp-admin/js/media-gallery.dev.js', 489'wp-admin/js/custom-fields.dev.js', 490'wp-admin/js/custom-background.dev.js', 491'wp-admin/js/common.dev.js', 492'wp-admin/js/inline-edit-tax.dev.js', 493'wp-admin/js/gallery.dev.js', 494'wp-admin/js/utils.dev.js', 495'wp-admin/js/widgets.dev.js', 496'wp-admin/js/wp-fullscreen.dev.js', 497'wp-admin/js/nav-menu.dev.js', 498'wp-admin/js/dashboard.dev.js', 499'wp-admin/js/link.dev.js', 500'wp-admin/js/user-suggest.dev.js', 501'wp-admin/js/postbox.dev.js', 502'wp-admin/js/tags.dev.js', 503'wp-admin/js/image-edit.dev.js', 504'wp-admin/js/media.dev.js', 505'wp-admin/js/customize-controls.dev.js', 506'wp-admin/js/inline-edit-post.dev.js', 507'wp-admin/js/categories.dev.js', 508'wp-admin/js/editor.dev.js', 509'wp-includes/js/tinymce/plugins/wpeditimage/js/editimage.dev.js', 510'wp-includes/js/tinymce/plugins/wpdialogs/js/popup.dev.js', 511'wp-includes/js/tinymce/plugins/wpdialogs/js/wpdialog.dev.js', 512'wp-includes/js/plupload/handlers.dev.js', 513'wp-includes/js/plupload/wp-plupload.dev.js', 514'wp-includes/js/swfupload/handlers.dev.js', 515'wp-includes/js/jcrop/jquery.Jcrop.dev.js', 516'wp-includes/js/jcrop/jquery.Jcrop.js', 517'wp-includes/js/jcrop/jquery.Jcrop.css', 518'wp-includes/js/imgareaselect/jquery.imgareaselect.dev.js', 519'wp-includes/css/wp-pointer.dev.css', 520'wp-includes/css/editor.dev.css', 521'wp-includes/css/jquery-ui-dialog.dev.css', 522'wp-includes/css/admin-bar-rtl.dev.css', 523'wp-includes/css/admin-bar.dev.css', 524'wp-includes/js/jquery/ui/jquery.effects.clip.min.js', 525'wp-includes/js/jquery/ui/jquery.effects.scale.min.js', 526'wp-includes/js/jquery/ui/jquery.effects.blind.min.js', 527'wp-includes/js/jquery/ui/jquery.effects.core.min.js', 528'wp-includes/js/jquery/ui/jquery.effects.shake.min.js', 529'wp-includes/js/jquery/ui/jquery.effects.fade.min.js', 530'wp-includes/js/jquery/ui/jquery.effects.explode.min.js', 531'wp-includes/js/jquery/ui/jquery.effects.slide.min.js', 532'wp-includes/js/jquery/ui/jquery.effects.drop.min.js', 533'wp-includes/js/jquery/ui/jquery.effects.highlight.min.js', 534'wp-includes/js/jquery/ui/jquery.effects.bounce.min.js', 535'wp-includes/js/jquery/ui/jquery.effects.pulsate.min.js', 536'wp-includes/js/jquery/ui/jquery.effects.transfer.min.js', 537'wp-includes/js/jquery/ui/jquery.effects.fold.min.js', 538'wp-admin/images/screenshots/captions-1.png', 539'wp-admin/images/screenshots/captions-2.png', 540'wp-admin/images/screenshots/flex-header-1.png', 541'wp-admin/images/screenshots/flex-header-2.png', 542'wp-admin/images/screenshots/flex-header-3.png', 543'wp-admin/images/screenshots/flex-header-media-library.png', 544'wp-admin/images/screenshots/theme-customizer.png', 545'wp-admin/images/screenshots/twitter-embed-1.png', 546'wp-admin/images/screenshots/twitter-embed-2.png', 547'wp-admin/js/utils.js', 548'wp-admin/options-privacy.php', 549'wp-app.php', 550'wp-includes/class-wp-atom-server.php', 551'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/ui.css', 552// 3.5.2 553'wp-includes/js/swfupload/swfupload-all.js', 554// 3.6 555'wp-admin/js/revisions-js.php', 556'wp-admin/images/screenshots', 557'wp-admin/js/categories.js', 558'wp-admin/js/categories.min.js', 559'wp-admin/js/custom-fields.js', 560'wp-admin/js/custom-fields.min.js', 561// 3.7 562'wp-admin/js/cat.js', 563'wp-admin/js/cat.min.js', 564'wp-includes/js/tinymce/plugins/wpeditimage/js/editimage.min.js', 565// 3.8 566'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/page_bug.gif', 567'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/more_bug.gif', 568'wp-includes/js/thickbox/tb-close-2x.png', 569'wp-includes/js/thickbox/tb-close.png', 570'wp-includes/images/wpmini-blue-2x.png', 571'wp-includes/images/wpmini-blue.png', 572'wp-admin/css/colors-fresh.css', 573'wp-admin/css/colors-classic.css', 574'wp-admin/css/colors-fresh.min.css', 575'wp-admin/css/colors-classic.min.css', 576'wp-admin/js/about.min.js', 577'wp-admin/js/about.js', 578'wp-admin/images/arrows-dark-vs-2x.png', 579'wp-admin/images/wp-logo-vs.png', 580'wp-admin/images/arrows-dark-vs.png', 581'wp-admin/images/wp-logo.png', 582'wp-admin/images/arrows-pr.png', 583'wp-admin/images/arrows-dark.png', 584'wp-admin/images/press-this.png', 585'wp-admin/images/press-this-2x.png', 586'wp-admin/images/arrows-vs-2x.png', 587'wp-admin/images/welcome-icons.png', 588'wp-admin/images/wp-logo-2x.png', 589'wp-admin/images/stars-rtl-2x.png', 590'wp-admin/images/arrows-dark-2x.png', 591'wp-admin/images/arrows-pr-2x.png', 592'wp-admin/images/menu-shadow-rtl.png', 593'wp-admin/images/arrows-vs.png', 594'wp-admin/images/about-search-2x.png', 595'wp-admin/images/bubble_bg-rtl-2x.gif', 596'wp-admin/images/wp-badge-2x.png', 597'wp-admin/images/wordpress-logo-2x.png', 598'wp-admin/images/bubble_bg-rtl.gif', 599'wp-admin/images/wp-badge.png', 600'wp-admin/images/menu-shadow.png', 601'wp-admin/images/about-globe-2x.png', 602'wp-admin/images/welcome-icons-2x.png', 603'wp-admin/images/stars-rtl.png', 604'wp-admin/images/wp-logo-vs-2x.png', 605'wp-admin/images/about-updates-2x.png', 606); 607 608/** 609 * Stores new files in wp-content to copy 610 * 611 * The contents of this array indicate any new bundled plugins/themes which 612 * should be installed with the WordPress Upgrade. These items will not be 613 * re-installed in future upgrades, this behaviour is controlled by the 614 * introduced version present here being older than the current installed version. 615 * 616 * The content of this array should follow the following format: 617 * Filename (relative to wp-content) => Introduced version 618 * Directories should be noted by suffixing it with a trailing slash (/) 619 * 620 * @since 3.2.0 621 * @global array $_new_bundled_files 622 * @var array 623 * @name $_new_bundled_files 624 */ 625global $_new_bundled_files; 626 627$_new_bundled_files = array( 628 'plugins/akismet/' => '2.0', 629 'themes/twentyten/' => '3.0', 630 'themes/twentyeleven/' => '3.2', 631 'themes/twentytwelve/' => '3.5', 632 'themes/twentythirteen/' => '3.6', 633 'themes/twentyfourteen/' => '3.8', 634); 635 636/** 637 * Upgrade the core of WordPress. 638 * 639 * This will create a .maintenance file at the base of the WordPress directory 640 * to ensure that people can not access the web site, when the files are being 641 * copied to their locations. 642 * 643 * The files in the {@link $_old_files} list will be removed and the new files 644 * copied from the zip file after the database is upgraded. 645 * 646 * The files in the {@link $_new_bundled_files} list will be added to the installation 647 * if the version is greater than or equal to the old version being upgraded. 648 * 649 * The steps for the upgrader for after the new release is downloaded and 650 * unzipped is: 651 * 1. Test unzipped location for select files to ensure that unzipped worked. 652 * 2. Create the .maintenance file in current WordPress base. 653 * 3. Copy new WordPress directory over old WordPress files. 654 * 4. Upgrade WordPress to new version. 655 * 4.1. Copy all files/folders other than wp-content 656 * 4.2. Copy any language files to WP_LANG_DIR (which may differ from WP_CONTENT_DIR 657 * 4.3. Copy any new bundled themes/plugins to their respective locations 658 * 5. Delete new WordPress directory path. 659 * 6. Delete .maintenance file. 660 * 7. Remove old files. 661 * 8. Delete 'update_core' option. 662 * 663 * There are several areas of failure. For instance if PHP times out before step 664 * 6, then you will not be able to access any portion of your site. Also, since 665 * the upgrade will not continue where it left off, you will not be able to 666 * automatically remove old files and remove the 'update_core' option. This 667 * isn't that bad. 668 * 669 * If the copy of the new WordPress over the old fails, then the worse is that 670 * the new WordPress directory will remain. 671 * 672 * If it is assumed that every file will be copied over, including plugins and 673 * themes, then if you edit the default theme, you should rename it, so that 674 * your changes remain. 675 * 676 * @since 2.7.0 677 * 678 * @param string $from New release unzipped path. 679 * @param string $to Path to old WordPress installation. 680 * @return WP_Error|null WP_Error on failure, null on success. 681 */ 682function update_core($from, $to) { 683 global $wp_filesystem, $_old_files, $_new_bundled_files, $wpdb; 684 685 @set_time_limit( 300 ); 686 687 // Sanity check the unzipped distribution 688 apply_filters( 'update_feedback', __('Verifying the unpacked files…') ); 689 $distro = ''; 690 $roots = array( '/wordpress/', '/wordpress-mu/' ); 691 foreach ( $roots as $root ) { 692 if ( $wp_filesystem->exists( $from . $root . 'readme.html' ) && $wp_filesystem->exists( $from . $root . 'wp-includes/version.php' ) ) { 693 $distro = $root; 694 break; 695 } 696 } 697 if ( ! $distro ) { 698 $wp_filesystem->delete( $from, true ); 699 return new WP_Error( 'insane_distro', __('The update could not be unpacked') ); 700 } 701 702 // Import $wp_version, $required_php_version, and $required_mysql_version from the new version 703 // $wp_filesystem->wp_content_dir() returned unslashed pre-2.8 704 $versions_file = trailingslashit( $wp_filesystem->wp_content_dir() ) . 'upgrade/version-current.php'; 705 if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $versions_file ) ) { 706 $wp_filesystem->delete( $from, true ); 707 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' ); 708 } 709 710 $wp_filesystem->chmod( $versions_file, FS_CHMOD_FILE ); 711 require( WP_CONTENT_DIR . '/upgrade/version-current.php' ); 712 $wp_filesystem->delete( $versions_file ); 713 714 $php_version = phpversion(); 715 $mysql_version = $wpdb->db_version(); 716 $old_wp_version = $GLOBALS['wp_version']; // The version of WordPress we're updating from 717 $development_build = ( false !== strpos( $old_wp_version . $wp_version, '-' ) ); // a dash in the version indicates a Development release 718 $php_compat = version_compare( $php_version, $required_php_version, '>=' ); 719 if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) 720 $mysql_compat = true; 721 else 722 $mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' ); 723 724 if ( !$mysql_compat || !$php_compat ) 725 $wp_filesystem->delete($from, true); 726 727 if ( !$mysql_compat && !$php_compat ) 728 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, $mysql_version ) ); 729 elseif ( !$php_compat ) 730 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, $php_version ) ); 731 elseif ( !$mysql_compat ) 732 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 ) ); 733 734 apply_filters( 'update_feedback', __( 'Preparing to install the latest version…' ) ); 735 736 // Don't copy wp-content, we'll deal with that below 737 $skip = array( 'wp-content' ); 738 $check_is_writable = array(); 739 740 // Check to see which files don't really need updating - only available for 3.7 and higher 741 if ( function_exists( 'get_core_checksums' ) ) { 742 // Find the local version of the working directory 743 $working_dir_local = WP_CONTENT_DIR . '/upgrade/' . basename( $from ) . $distro; 744 745 $checksums = get_core_checksums( $wp_version, isset( $wp_local_package ) ? $wp_local_package : 'en_US' ); 746 if ( is_array( $checksums ) && isset( $checksums[ $wp_version ] ) ) 747 $checksums = $checksums[ $wp_version ]; // Compat code for 3.7-beta2 748 if ( is_array( $checksums ) ) { 749 foreach( $checksums as $file => $checksum ) { 750 if ( 'wp-content' == substr( $file, 0, 10 ) ) 751 continue; 752 if ( ! file_exists( ABSPATH . $file ) ) 753 continue; 754 if ( ! file_exists( $working_dir_local . $file ) ) 755 continue; 756 if ( md5_file( ABSPATH . $file ) === $checksum ) 757 $skip[] = $file; 758 else 759 $check_is_writable[ $file ] = ABSPATH . $file; 760 } 761 } 762 } 763 764 // If we're using the direct method, we can predict write failures that are due to permissions. 765 if ( $check_is_writable && 'direct' === $wp_filesystem->method ) { 766 $files_writable = array_filter( $check_is_writable, array( $wp_filesystem, 'is_writable' ) ); 767 if ( $files_writable !== $check_is_writable ) { 768 $files_not_writable = array_diff_key( $check_is_writable, $files_writable ); 769 foreach ( $files_not_writable as $relative_file_not_writable => $file_not_writable ) { 770 // If the writable check failed, chmod file to 0644 and try again, same as copy_dir(). 771 $wp_filesystem->chmod( $file_not_writable, FS_CHMOD_FILE ); 772 if ( $wp_filesystem->is_writable( $file_not_writable ) ) 773 unset( $files_not_writable[ $relative_file_not_writable ] ); 774 } 775 776 // Store package-relative paths (the key) of non-writable files in the WP_Error object. 777 $error_data = version_compare( $old_wp_version, '3.7-beta2', '>' ) ? array_keys( $files_not_writable ) : ''; 778 779 if ( $files_not_writable ) 780 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 ) ); 781 } 782 } 783 784 apply_filters( 'update_feedback', __( 'Enabling Maintenance mode…' ) ); 785 // Create maintenance file to signal that we are upgrading 786 $maintenance_string = '<?php $upgrading = ' . time() . '; ?>'; 787 $maintenance_file = $to . '.maintenance'; 788 $wp_filesystem->delete($maintenance_file); 789 $wp_filesystem->put_contents($maintenance_file, $maintenance_string, FS_CHMOD_FILE); 790 791 apply_filters( 'update_feedback', __( 'Copying the required files…' ) ); 792 // Copy new versions of WP files into place. 793 $result = _copy_dir( $from . $distro, $to, $skip ); 794 if ( is_wp_error( $result ) ) 795 $result = new WP_Error( $result->get_error_code(), $result->get_error_message(), substr( $result->get_error_data(), strlen( $to ) ) ); 796 797 // Check to make sure everything copied correctly, ignoring the contents of wp-content 798 $skip = array( 'wp-content' ); 799 $failed = array(); 800 if ( isset( $checksums ) && is_array( $checksums ) ) { 801 foreach ( $checksums as $file => $checksum ) { 802 if ( 'wp-content' == substr( $file, 0, 10 ) ) 803 continue; 804 if ( ! file_exists( $working_dir_local . $file ) ) 805 continue; 806 if ( file_exists( ABSPATH . $file ) && md5_file( ABSPATH . $file ) == $checksum ) 807 $skip[] = $file; 808 else 809 $failed[] = $file; 810 } 811 } 812 813 // Some files didn't copy properly 814 if ( ! empty( $failed ) ) { 815 $total_size = 0; 816 foreach ( $failed as $file ) { 817 if ( file_exists( $working_dir_local . $file ) ) 818 $total_size += filesize( $working_dir_local . $file ); 819 } 820 821 // If we don't have enough free space, it isn't worth trying again. 822 // Unlikely to be hit due to the check in unzip_file(). 823 $available_space = @disk_free_space( ABSPATH ); 824 if ( $available_space && $total_size >= $available_space ) { 825 $result = new WP_Error( 'disk_full', __( 'There is not enough free disk space to complete the update.' ) ); 826 } else { 827 $result = _copy_dir( $from . $distro, $to, $skip ); 828 if ( is_wp_error( $result ) ) 829 $result = new WP_Error( $result->get_error_code() . '_retry', $result->get_error_message(), substr( $result->get_error_data(), strlen( $to ) ) ); 830 } 831 } 832 833 // Custom Content Directory needs updating now. 834 // Copy Languages 835 if ( !is_wp_error($result) && $wp_filesystem->is_dir($from . $distro . 'wp-content/languages') ) { 836 if ( WP_LANG_DIR != ABSPATH . WPINC . '/languages' || @is_dir(WP_LANG_DIR) ) 837 $lang_dir = WP_LANG_DIR; 838 else 839 $lang_dir = WP_CONTENT_DIR . '/languages'; 840 841 if ( !@is_dir($lang_dir) && 0 === strpos($lang_dir, ABSPATH) ) { // Check the language directory exists first 842 $wp_filesystem->mkdir($to . str_replace(ABSPATH, '', $lang_dir), FS_CHMOD_DIR); // If it's within the ABSPATH we can handle it here, otherwise they're out of luck. 843 clearstatcache(); // for FTP, Need to clear the stat cache 844 } 845 846 if ( @is_dir($lang_dir) ) { 847 $wp_lang_dir = $wp_filesystem->find_folder($lang_dir); 848 if ( $wp_lang_dir ) { 849 $result = copy_dir($from . $distro . 'wp-content/languages/', $wp_lang_dir); 850 if ( is_wp_error( $result ) ) 851 $result = new WP_Error( $result->get_error_code() . '_languages', $result->get_error_message(), substr( $result->get_error_data(), strlen( $wp_lang_dir ) ) ); 852 } 853 } 854 } 855 856 apply_filters( 'update_feedback', __( 'Disabling Maintenance mode…' ) ); 857 // Remove maintenance file, we're done with potential site-breaking changes 858 $wp_filesystem->delete( $maintenance_file ); 859 860 // 3.5 -> 3.5+ - an empty twentytwelve directory was created upon upgrade to 3.5 for some users, preventing installation of Twenty Twelve. 861 if ( '3.5' == $old_wp_version ) { 862 if ( is_dir( WP_CONTENT_DIR . '/themes/twentytwelve' ) && ! file_exists( WP_CONTENT_DIR . '/themes/twentytwelve/style.css' ) ) { 863 $wp_filesystem->delete( $wp_filesystem->wp_themes_dir() . 'twentytwelve/' ); 864 } 865 } 866 867 // Copy New bundled plugins & themes 868 // This gives us the ability to install new plugins & themes bundled with future versions of WordPress whilst avoiding the re-install upon upgrade issue. 869 // $development_build controls us overwriting bundled themes and plugins when a non-stable release is being updated 870 if ( !is_wp_error($result) && ( ! defined('CORE_UPGRADE_SKIP_NEW_BUNDLED') || ! CORE_UPGRADE_SKIP_NEW_BUNDLED ) ) { 871 foreach ( (array) $_new_bundled_files as $file => $introduced_version ) { 872 // If a $development_build or if $introduced version is greater than what the site was previously running 873 if ( $development_build || version_compare( $introduced_version, $old_wp_version, '>' ) ) { 874 $directory = ('/' == $file[ strlen($file)-1 ]); 875 list($type, $filename) = explode('/', $file, 2); 876 877 // Check to see if the bundled items exist before attempting to copy them 878 if ( ! $wp_filesystem->exists( $from . $distro . 'wp-content/' . $file ) ) 879 continue; 880 881 if ( 'plugins' == $type ) 882 $dest = $wp_filesystem->wp_plugins_dir(); 883 elseif ( 'themes' == $type ) 884 $dest = trailingslashit($wp_filesystem->wp_themes_dir()); // Back-compat, ::wp_themes_dir() did not return trailingslash'd pre-3.2 885 else 886 continue; 887 888 if ( ! $directory ) { 889 if ( ! $development_build && $wp_filesystem->exists( $dest . $filename ) ) 890 continue; 891 892 if ( ! $wp_filesystem->copy($from . $distro . 'wp-content/' . $file, $dest . $filename, FS_CHMOD_FILE) ) 893 $result = new WP_Error( "copy_failed_for_new_bundled_$type", __( 'Could not copy file.' ), $dest . $filename ); 894 } else { 895 if ( ! $development_build && $wp_filesystem->is_dir( $dest . $filename ) ) 896 continue; 897 898 $wp_filesystem->mkdir($dest . $filename, FS_CHMOD_DIR); 899 $_result = copy_dir( $from . $distro . 'wp-content/' . $file, $dest . $filename); 900 901 // If a error occurs partway through this final step, keep the error flowing through, but keep process going. 902 if ( is_wp_error( $_result ) ) { 903 if ( ! is_wp_error( $result ) ) 904 $result = new WP_Error; 905 $result->add( $_result->get_error_code() . "_$type", $_result->get_error_message(), substr( $_result->get_error_data(), strlen( $dest ) ) ); 906 } 907 } 908 } 909 } //end foreach 910 } 911 912 // Handle $result error from the above blocks 913 if ( is_wp_error($result) ) { 914 $wp_filesystem->delete($from, true); 915 return $result; 916 } 917 918 // Remove old files 919 foreach ( $_old_files as $old_file ) { 920 $old_file = $to . $old_file; 921 if ( !$wp_filesystem->exists($old_file) ) 922 continue; 923 $wp_filesystem->delete($old_file, true); 924 } 925 926 // Upgrade DB with separate request 927 apply_filters('update_feedback', __('Upgrading database…')); 928 $db_upgrade_url = admin_url('upgrade.php?step=upgrade_db'); 929 wp_remote_post($db_upgrade_url, array('timeout' => 60)); 930 931 // Clear the cache to prevent an update_option() from saving a stale db_version to the cache 932 wp_cache_flush(); 933 // (Not all cache backends listen to 'flush') 934 wp_cache_delete( 'alloptions', 'options' ); 935 936 // Remove working directory 937 $wp_filesystem->delete($from, true); 938 939 // Force refresh of update information 940 if ( function_exists('delete_site_transient') ) 941 delete_site_transient('update_core'); 942 else 943 delete_option('update_core'); 944 945 // If we made it this far: 946 do_action( '_core_updated_successfully', $wp_version ); 947 948 // Clear the option that blocks auto updates after failures, now that we've been successful. 949 if ( function_exists( 'delete_site_option' ) ) 950 delete_site_option( 'auto_core_update_failed' ); 951 952 return $wp_version; 953} 954 955/** 956 * Copies a directory from one location to another via the WordPress Filesystem Abstraction. 957 * Assumes that WP_Filesystem() has already been called and setup. 958 * 959 * This is a temporary function for the 3.1 -> 3.2 upgrade, as well as for those upgrading to 960 * 3.7+ 961 * 962 * @ignore 963 * @since 3.2.0 964 * @since 3.7.0 Updated not to use a regular expression for the skip list 965 * @see copy_dir() 966 * 967 * @param string $from source directory 968 * @param string $to destination directory 969 * @param array $skip_list a list of files/folders to skip copying 970 * @return mixed WP_Error on failure, True on success. 971 */ 972function _copy_dir($from, $to, $skip_list = array() ) { 973 global $wp_filesystem; 974 975 $dirlist = $wp_filesystem->dirlist($from); 976 977 $from = trailingslashit($from); 978 $to = trailingslashit($to); 979 980 foreach ( (array) $dirlist as $filename => $fileinfo ) { 981 if ( in_array( $filename, $skip_list ) ) 982 continue; 983 984 if ( 'f' == $fileinfo['type'] ) { 985 if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) ) { 986 // If copy failed, chmod file to 0644 and try again. 987 $wp_filesystem->chmod( $to . $filename, FS_CHMOD_FILE ); 988 if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) ) 989 return new WP_Error( 'copy_failed__copy_dir', __( 'Could not copy file.' ), $to . $filename ); 990 } 991 } elseif ( 'd' == $fileinfo['type'] ) { 992 if ( !$wp_filesystem->is_dir($to . $filename) ) { 993 if ( !$wp_filesystem->mkdir($to . $filename, FS_CHMOD_DIR) ) 994 return new WP_Error( 'mkdir_failed__copy_dir', __( 'Could not create directory.' ), $to . $filename ); 995 } 996 997 // generate the $sub_skip_list for the subdirectory as a sub-set of the existing $skip_list 998 $sub_skip_list = array(); 999 foreach ( $skip_list as $skip_item ) { 1000 if ( 0 === strpos( $skip_item, $filename . '/' ) ) 1001 $sub_skip_list[] = preg_replace( '!^' . preg_quote( $filename, '!' ) . '/!i', '', $skip_item ); 1002 } 1003 1004 $result = _copy_dir($from . $filename, $to . $filename, $sub_skip_list); 1005 if ( is_wp_error($result) ) 1006 return $result; 1007 } 1008 } 1009 return true; 1010} 1011 1012/** 1013 * Redirect to the About WordPress page after a successful upgrade. 1014 * 1015 * This function is only needed when the existing install is older than 3.4.0. 1016 * 1017 * @since 3.3.0 1018 * 1019 */ 1020function _redirect_to_about_wordpress( $new_version ) { 1021 global $wp_version, $pagenow, $action; 1022 1023 if ( version_compare( $wp_version, '3.4-RC1', '>=' ) ) 1024 return; 1025 1026 // Ensure we only run this on the update-core.php page. The Core_Upgrader may be used in other contexts. 1027 if ( 'update-core.php' != $pagenow ) 1028 return; 1029 1030 if ( 'do-core-upgrade' != $action && 'do-core-reinstall' != $action ) 1031 return; 1032 1033 // Load the updated default text localization domain for new strings 1034 load_default_textdomain(); 1035 1036 // See do_core_upgrade() 1037 show_message( __('WordPress updated successfully') ); 1038 1039 // self_admin_url() won't exist when upgrading from <= 3.0, so relative URLs are intentional. 1040 show_message( '<span class="hide-if-no-js">' . sprintf( __( 'Welcome to WordPress %1$s. You will be redirected to the About WordPress screen. If not, click <a href="%2$s">here</a>.' ), $new_version, 'about.php?updated' ) . '</span>' ); 1041 show_message( '<span class="hide-if-js">' . sprintf( __( 'Welcome to WordPress %1$s. <a href="%2$s">Learn more</a>.' ), $new_version, 'about.php?updated' ) . '</span>' ); 1042 echo '</div>'; 1043 ?> 1044<script type="text/javascript"> 1045window.location = 'about.php?updated'; 1046</script> 1047 <?php 1048 1049 // Include admin-footer.php and exit 1050 include(ABSPATH . 'wp-admin/admin-footer.php'); 1051 exit(); 1052} 1053add_action( '_core_updated_successfully', '_redirect_to_about_wordpress' );