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PHP Cross Reference of WordPress Trunk (Updated Daily) |
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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 * 15 * @global array $_old_files 16 * @var array 17 * @name $_old_files 18 */ 19 global $_old_files; 20 21 $_old_files = array( 22 // 2.0 23 'wp-admin/import-b2.php', 24 'wp-admin/import-blogger.php', 25 'wp-admin/import-greymatter.php', 26 'wp-admin/import-livejournal.php', 27 'wp-admin/import-mt.php', 28 'wp-admin/import-rss.php', 29 'wp-admin/import-textpattern.php', 30 'wp-admin/quicktags.js', 31 'wp-images/fade-butt.png', 32 'wp-images/get-firefox.png', 33 'wp-images/header-shadow.png', 34 'wp-images/smilies', 35 'wp-images/wp-small.png', 36 'wp-images/wpminilogo.png', 37 'wp.php', 38 // 2.0.8 39 'wp-includes/js/tinymce/plugins/inlinepopups/readme.txt', 40 // 2.1 41 'wp-admin/edit-form-ajax-cat.php', 42 'wp-admin/execute-pings.php', 43 'wp-admin/inline-uploading.php', 44 'wp-admin/link-categories.php', 45 'wp-admin/list-manipulation.js', 46 'wp-admin/list-manipulation.php', 47 'wp-includes/comment-functions.php', 48 'wp-includes/feed-functions.php', 49 'wp-includes/functions-compat.php', 50 'wp-includes/functions-formatting.php', 51 'wp-includes/functions-post.php', 52 'wp-includes/js/dbx-key.js', 53 'wp-includes/js/tinymce/plugins/autosave/langs/cs.js', 54 'wp-includes/js/tinymce/plugins/autosave/langs/sv.js', 55 'wp-includes/links.php', 56 'wp-includes/pluggable-functions.php', 57 'wp-includes/template-functions-author.php', 58 'wp-includes/template-functions-category.php', 59 'wp-includes/template-functions-general.php', 60 'wp-includes/template-functions-links.php', 61 'wp-includes/template-functions-post.php', 62 'wp-includes/wp-l10n.php', 63 // 2.2 64 'wp-admin/cat-js.php', 65 'wp-admin/import/b2.php', 66 'wp-includes/js/autosave-js.php', 67 'wp-includes/js/list-manipulation-js.php', 68 'wp-includes/js/wp-ajax-js.php', 69 // 2.3 70 'wp-admin/admin-db.php', 71 'wp-admin/cat.js', 72 'wp-admin/categories.js', 73 'wp-admin/custom-fields.js', 74 'wp-admin/dbx-admin-key.js', 75 'wp-admin/edit-comments.js', 76 'wp-admin/install-rtl.css', 77 'wp-admin/install.css', 78 'wp-admin/upgrade-schema.php', 79 'wp-admin/upload-functions.php', 80 'wp-admin/upload-rtl.css', 81 'wp-admin/upload.css', 82 'wp-admin/upload.js', 83 'wp-admin/users.js', 84 'wp-admin/widgets-rtl.css', 85 'wp-admin/widgets.css', 86 'wp-admin/xfn.js', 87 'wp-includes/js/tinymce/license.html', 88 // 2.5 89 'wp-admin/css/upload.css', 90 'wp-admin/images/box-bg-left.gif', 91 'wp-admin/images/box-bg-right.gif', 92 'wp-admin/images/box-bg.gif', 93 'wp-admin/images/box-butt-left.gif', 94 'wp-admin/images/box-butt-right.gif', 95 'wp-admin/images/box-butt.gif', 96 'wp-admin/images/box-head-left.gif', 97 'wp-admin/images/box-head-right.gif', 98 'wp-admin/images/box-head.gif', 99 'wp-admin/images/heading-bg.gif', 100 'wp-admin/images/login-bkg-bottom.gif', 101 'wp-admin/images/login-bkg-tile.gif', 102 'wp-admin/images/notice.gif', 103 'wp-admin/images/toggle.gif', 104 'wp-admin/includes/upload.php', 105 'wp-admin/js/dbx-admin-key.js', 106 'wp-admin/js/link-cat.js', 107 'wp-admin/profile-update.php', 108 'wp-admin/templates.php', 109 'wp-includes/images/wlw/WpComments.png', 110 'wp-includes/images/wlw/WpIcon.png', 111 'wp-includes/images/wlw/WpWatermark.png', 112 'wp-includes/js/dbx.js', 113 'wp-includes/js/fat.js', 114 'wp-includes/js/list-manipulation.js', 115 'wp-includes/js/tinymce/langs/en.js', 116 'wp-includes/js/tinymce/plugins/autosave/editor_plugin_src.js', 117 'wp-includes/js/tinymce/plugins/autosave/langs', 118 'wp-includes/js/tinymce/plugins/directionality/images', 119 'wp-includes/js/tinymce/plugins/directionality/langs', 120 'wp-includes/js/tinymce/plugins/inlinepopups/css', 121 'wp-includes/js/tinymce/plugins/inlinepopups/images', 122 'wp-includes/js/tinymce/plugins/inlinepopups/jscripts', 123 'wp-includes/js/tinymce/plugins/paste/images', 124 'wp-includes/js/tinymce/plugins/paste/jscripts', 125 'wp-includes/js/tinymce/plugins/paste/langs', 126 'wp-includes/js/tinymce/plugins/spellchecker/classes/HttpClient.class.php', 127 'wp-includes/js/tinymce/plugins/spellchecker/classes/TinyGoogleSpell.class.php', 128 'wp-includes/js/tinymce/plugins/spellchecker/classes/TinyPspell.class.php', 129 'wp-includes/js/tinymce/plugins/spellchecker/classes/TinyPspellShell.class.php', 130 'wp-includes/js/tinymce/plugins/spellchecker/css/spellchecker.css', 131 'wp-includes/js/tinymce/plugins/spellchecker/images', 132 'wp-includes/js/tinymce/plugins/spellchecker/langs', 133 'wp-includes/js/tinymce/plugins/spellchecker/tinyspell.php', 134 'wp-includes/js/tinymce/plugins/wordpress/images', 135 'wp-includes/js/tinymce/plugins/wordpress/langs', 136 'wp-includes/js/tinymce/plugins/wordpress/wordpress.css', 137 'wp-includes/js/tinymce/plugins/wphelp', 138 'wp-includes/js/tinymce/themes/advanced/css', 139 'wp-includes/js/tinymce/themes/advanced/images', 140 'wp-includes/js/tinymce/themes/advanced/jscripts', 141 'wp-includes/js/tinymce/themes/advanced/langs', 142 // 2.5.1 143 'wp-includes/js/tinymce/tiny_mce_gzip.php', 144 // 2.6 145 'wp-admin/bookmarklet.php', 146 'wp-includes/js/jquery/jquery.dimensions.min.js', 147 'wp-includes/js/tinymce/plugins/wordpress/popups.css', 148 'wp-includes/js/wp-ajax.js', 149 // 2.7 150 'wp-admin/css/press-this-ie-rtl.css', 151 'wp-admin/css/press-this-ie.css', 152 'wp-admin/css/upload-rtl.css', 153 'wp-admin/edit-form.php', 154 'wp-admin/images/comment-pill.gif', 155 'wp-admin/images/comment-stalk-classic.gif', 156 'wp-admin/images/comment-stalk-fresh.gif', 157 'wp-admin/images/comment-stalk-rtl.gif', 158 'wp-admin/images/del.png', 159 'wp-admin/images/gear.png', 160 'wp-admin/images/media-button-gallery.gif', 161 'wp-admin/images/media-buttons.gif', 162 'wp-admin/images/postbox-bg.gif', 163 'wp-admin/images/tab.png', 164 'wp-admin/images/tail.gif', 165 'wp-admin/js/forms.js', 166 'wp-admin/js/upload.js', 167 'wp-admin/link-import.php', 168 'wp-includes/images/audio.png', 169 'wp-includes/images/css.png', 170 'wp-includes/images/default.png', 171 'wp-includes/images/doc.png', 172 'wp-includes/images/exe.png', 173 'wp-includes/images/html.png', 174 'wp-includes/images/js.png', 175 'wp-includes/images/pdf.png', 176 'wp-includes/images/swf.png', 177 'wp-includes/images/tar.png', 178 'wp-includes/images/text.png', 179 'wp-includes/images/video.png', 180 'wp-includes/images/zip.png', 181 'wp-includes/js/tinymce/tiny_mce_config.php', 182 'wp-includes/js/tinymce/tiny_mce_ext.js', 183 // 2.8 184 'wp-admin/js/users.js', 185 'wp-includes/js/swfupload/plugins/swfupload.documentready.js', 186 'wp-includes/js/swfupload/plugins/swfupload.graceful_degradation.js', 187 'wp-includes/js/swfupload/swfupload_f9.swf', 188 'wp-includes/js/tinymce/plugins/autosave', 189 'wp-includes/js/tinymce/plugins/paste/css', 190 'wp-includes/js/tinymce/utils/mclayer.js', 191 'wp-includes/js/tinymce/wordpress.css', 192 // 2.8.5 193 'wp-admin/import/btt.php', 194 'wp-admin/import/jkw.php', 195 // 2.9 196 'wp-admin/js/page.dev.js', 197 'wp-admin/js/page.js', 198 'wp-admin/js/set-post-thumbnail-handler.dev.js', 199 'wp-admin/js/set-post-thumbnail-handler.js', 200 'wp-admin/js/slug.dev.js', 201 'wp-admin/js/slug.js', 202 'wp-includes/gettext.php', 203 'wp-includes/js/tinymce/plugins/wordpress/js', 204 'wp-includes/streams.php', 205 // MU 206 'README.txt', 207 'htaccess.dist', 208 'index-install.php', 209 'wp-admin/css/mu-rtl.css', 210 'wp-admin/css/mu.css', 211 'wp-admin/images/site-admin.png', 212 'wp-admin/includes/mu.php', 213 'wp-admin/wpmu-admin.php', 214 'wp-admin/wpmu-blogs.php', 215 'wp-admin/wpmu-edit.php', 216 'wp-admin/wpmu-options.php', 217 'wp-admin/wpmu-themes.php', 218 'wp-admin/wpmu-upgrade-site.php', 219 'wp-admin/wpmu-users.php', 220 'wp-includes/images/wordpress-mu.png', 221 'wp-includes/wpmu-default-filters.php', 222 'wp-includes/wpmu-functions.php', 223 'wpmu-settings.php', 224 // 3.0 225 'wp-admin/categories.php', 226 'wp-admin/edit-category-form.php', 227 'wp-admin/edit-page-form.php', 228 'wp-admin/edit-pages.php', 229 'wp-admin/images/admin-header-footer.png', 230 'wp-admin/images/browse-happy.gif', 231 'wp-admin/images/ico-add.png', 232 'wp-admin/images/ico-close.png', 233 'wp-admin/images/ico-edit.png', 234 'wp-admin/images/ico-viewpage.png', 235 'wp-admin/images/fav-top.png', 236 'wp-admin/images/screen-options-left.gif', 237 'wp-admin/images/wp-logo-vs.gif', 238 'wp-admin/images/wp-logo.gif', 239 'wp-admin/import', 240 'wp-admin/js/wp-gears.dev.js', 241 'wp-admin/js/wp-gears.js', 242 'wp-admin/options-misc.php', 243 'wp-admin/page-new.php', 244 'wp-admin/page.php', 245 'wp-admin/rtl.css', 246 'wp-admin/rtl.dev.css', 247 'wp-admin/update-links.php', 248 'wp-admin/wp-admin.css', 249 'wp-admin/wp-admin.dev.css', 250 'wp-includes/js/codepress', 251 'wp-includes/js/codepress/engines/khtml.js', 252 'wp-includes/js/codepress/engines/older.js', 253 'wp-includes/js/jquery/autocomplete.dev.js', 254 'wp-includes/js/jquery/autocomplete.js', 255 'wp-includes/js/jquery/interface.js', 256 'wp-includes/js/scriptaculous/prototype.js', 257 // Following file added back in 5.1, see #45645. 258 //'wp-includes/js/tinymce/wp-tinymce.js', 259 // 3.1 260 'wp-admin/edit-attachment-rows.php', 261 'wp-admin/edit-link-categories.php', 262 'wp-admin/edit-link-category-form.php', 263 'wp-admin/edit-post-rows.php', 264 'wp-admin/images/button-grad-active-vs.png', 265 'wp-admin/images/button-grad-vs.png', 266 'wp-admin/images/fav-arrow-vs-rtl.gif', 267 'wp-admin/images/fav-arrow-vs.gif', 268 'wp-admin/images/fav-top-vs.gif', 269 'wp-admin/images/list-vs.png', 270 'wp-admin/images/screen-options-right-up.gif', 271 'wp-admin/images/screen-options-right.gif', 272 'wp-admin/images/visit-site-button-grad-vs.gif', 273 'wp-admin/images/visit-site-button-grad.gif', 274 'wp-admin/link-category.php', 275 'wp-admin/sidebar.php', 276 'wp-includes/classes.php', 277 'wp-includes/js/tinymce/blank.htm', 278 'wp-includes/js/tinymce/plugins/media/css/content.css', 279 'wp-includes/js/tinymce/plugins/media/img', 280 'wp-includes/js/tinymce/plugins/safari', 281 // 3.2 282 'wp-admin/images/logo-login.gif', 283 'wp-admin/images/star.gif', 284 'wp-admin/js/list-table.dev.js', 285 'wp-admin/js/list-table.js', 286 'wp-includes/default-embeds.php', 287 'wp-includes/js/tinymce/plugins/wordpress/img/help.gif', 288 'wp-includes/js/tinymce/plugins/wordpress/img/more.gif', 289 'wp-includes/js/tinymce/plugins/wordpress/img/toolbars.gif', 290 'wp-includes/js/tinymce/themes/advanced/img/fm.gif', 291 'wp-includes/js/tinymce/themes/advanced/img/sflogo.png', 292 // 3.3 293 'wp-admin/css/colors-classic-rtl.css', 294 'wp-admin/css/colors-classic-rtl.dev.css', 295 'wp-admin/css/colors-fresh-rtl.css', 296 'wp-admin/css/colors-fresh-rtl.dev.css', 297 'wp-admin/css/dashboard-rtl.dev.css', 298 'wp-admin/css/dashboard.dev.css', 299 'wp-admin/css/global-rtl.css', 300 'wp-admin/css/global-rtl.dev.css', 301 'wp-admin/css/global.css', 302 'wp-admin/css/global.dev.css', 303 'wp-admin/css/install-rtl.dev.css', 304 'wp-admin/css/login-rtl.dev.css', 305 'wp-admin/css/login.dev.css', 306 'wp-admin/css/ms.css', 307 'wp-admin/css/ms.dev.css', 308 'wp-admin/css/nav-menu-rtl.css', 309 'wp-admin/css/nav-menu-rtl.dev.css', 310 'wp-admin/css/nav-menu.css', 311 'wp-admin/css/nav-menu.dev.css', 312 'wp-admin/css/plugin-install-rtl.css', 313 'wp-admin/css/plugin-install-rtl.dev.css', 314 'wp-admin/css/plugin-install.css', 315 'wp-admin/css/plugin-install.dev.css', 316 'wp-admin/css/press-this-rtl.dev.css', 317 'wp-admin/css/press-this.dev.css', 318 'wp-admin/css/theme-editor-rtl.css', 319 'wp-admin/css/theme-editor-rtl.dev.css', 320 'wp-admin/css/theme-editor.css', 321 'wp-admin/css/theme-editor.dev.css', 322 'wp-admin/css/theme-install-rtl.css', 323 'wp-admin/css/theme-install-rtl.dev.css', 324 'wp-admin/css/theme-install.css', 325 'wp-admin/css/theme-install.dev.css', 326 'wp-admin/css/widgets-rtl.dev.css', 327 'wp-admin/css/widgets.dev.css', 328 'wp-admin/includes/internal-linking.php', 329 'wp-includes/images/admin-bar-sprite-rtl.png', 330 'wp-includes/js/jquery/ui.button.js', 331 'wp-includes/js/jquery/ui.core.js', 332 'wp-includes/js/jquery/ui.dialog.js', 333 'wp-includes/js/jquery/ui.draggable.js', 334 'wp-includes/js/jquery/ui.droppable.js', 335 'wp-includes/js/jquery/ui.mouse.js', 336 'wp-includes/js/jquery/ui.position.js', 337 'wp-includes/js/jquery/ui.resizable.js', 338 'wp-includes/js/jquery/ui.selectable.js', 339 'wp-includes/js/jquery/ui.sortable.js', 340 'wp-includes/js/jquery/ui.tabs.js', 341 'wp-includes/js/jquery/ui.widget.js', 342 'wp-includes/js/l10n.dev.js', 343 'wp-includes/js/l10n.js', 344 'wp-includes/js/tinymce/plugins/wplink/css', 345 'wp-includes/js/tinymce/plugins/wplink/img', 346 'wp-includes/js/tinymce/plugins/wplink/js', 347 'wp-includes/js/tinymce/themes/advanced/img/wpicons.png', 348 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/butt2.png', 349 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/button_bg.png', 350 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/down_arrow.gif', 351 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/fade-butt.png', 352 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/separator.gif', 353 // Don't delete, yet: 'wp-rss.php', 354 // Don't delete, yet: 'wp-rdf.php', 355 // Don't delete, yet: 'wp-rss2.php', 356 // Don't delete, yet: 'wp-commentsrss2.php', 357 // Don't delete, yet: 'wp-atom.php', 358 // Don't delete, yet: 'wp-feed.php', 359 // 3.4 360 'wp-admin/images/gray-star.png', 361 'wp-admin/images/logo-login.png', 362 'wp-admin/images/star.png', 363 'wp-admin/index-extra.php', 364 'wp-admin/network/index-extra.php', 365 'wp-admin/user/index-extra.php', 366 'wp-admin/images/screenshots/admin-flyouts.png', 367 'wp-admin/images/screenshots/coediting.png', 368 'wp-admin/images/screenshots/drag-and-drop.png', 369 'wp-admin/images/screenshots/help-screen.png', 370 'wp-admin/images/screenshots/media-icon.png', 371 'wp-admin/images/screenshots/new-feature-pointer.png', 372 'wp-admin/images/screenshots/welcome-screen.png', 373 'wp-includes/css/editor-buttons.css', 374 'wp-includes/css/editor-buttons.dev.css', 375 'wp-includes/js/tinymce/plugins/paste/blank.htm', 376 'wp-includes/js/tinymce/plugins/wordpress/css', 377 'wp-includes/js/tinymce/plugins/wordpress/editor_plugin.dev.js', 378 'wp-includes/js/tinymce/plugins/wordpress/img/embedded.png', 379 'wp-includes/js/tinymce/plugins/wordpress/img/more_bug.gif', 380 'wp-includes/js/tinymce/plugins/wordpress/img/page_bug.gif', 381 'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin.dev.js', 382 'wp-includes/js/tinymce/plugins/wpeditimage/css/editimage-rtl.css', 383 'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin.dev.js', 384 'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin.dev.js', 385 'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.dev.js', 386 'wp-includes/js/tinymce/plugins/wpgallery/img/gallery.png', 387 'wp-includes/js/tinymce/plugins/wplink/editor_plugin.dev.js', 388 // Don't delete, yet: 'wp-pass.php', 389 // Don't delete, yet: 'wp-register.php', 390 // 3.5 391 'wp-admin/gears-manifest.php', 392 'wp-admin/includes/manifest.php', 393 'wp-admin/images/archive-link.png', 394 'wp-admin/images/blue-grad.png', 395 'wp-admin/images/button-grad-active.png', 396 'wp-admin/images/button-grad.png', 397 'wp-admin/images/ed-bg-vs.gif', 398 'wp-admin/images/ed-bg.gif', 399 'wp-admin/images/fade-butt.png', 400 'wp-admin/images/fav-arrow-rtl.gif', 401 'wp-admin/images/fav-arrow.gif', 402 'wp-admin/images/fav-vs.png', 403 'wp-admin/images/fav.png', 404 'wp-admin/images/gray-grad.png', 405 'wp-admin/images/loading-publish.gif', 406 'wp-admin/images/logo-ghost.png', 407 'wp-admin/images/logo.gif', 408 'wp-admin/images/menu-arrow-frame-rtl.png', 409 'wp-admin/images/menu-arrow-frame.png', 410 'wp-admin/images/menu-arrows.gif', 411 'wp-admin/images/menu-bits-rtl-vs.gif', 412 'wp-admin/images/menu-bits-rtl.gif', 413 'wp-admin/images/menu-bits-vs.gif', 414 'wp-admin/images/menu-bits.gif', 415 'wp-admin/images/menu-dark-rtl-vs.gif', 416 'wp-admin/images/menu-dark-rtl.gif', 417 'wp-admin/images/menu-dark-vs.gif', 418 'wp-admin/images/menu-dark.gif', 419 'wp-admin/images/required.gif', 420 'wp-admin/images/screen-options-toggle-vs.gif', 421 'wp-admin/images/screen-options-toggle.gif', 422 'wp-admin/images/toggle-arrow-rtl.gif', 423 'wp-admin/images/toggle-arrow.gif', 424 'wp-admin/images/upload-classic.png', 425 'wp-admin/images/upload-fresh.png', 426 'wp-admin/images/white-grad-active.png', 427 'wp-admin/images/white-grad.png', 428 'wp-admin/images/widgets-arrow-vs.gif', 429 'wp-admin/images/widgets-arrow.gif', 430 'wp-admin/images/wpspin_dark.gif', 431 'wp-includes/images/upload.png', 432 'wp-includes/js/prototype.js', 433 'wp-includes/js/scriptaculous', 434 'wp-admin/css/wp-admin-rtl.dev.css', 435 'wp-admin/css/wp-admin.dev.css', 436 'wp-admin/css/media-rtl.dev.css', 437 'wp-admin/css/media.dev.css', 438 'wp-admin/css/colors-classic.dev.css', 439 'wp-admin/css/customize-controls-rtl.dev.css', 440 'wp-admin/css/customize-controls.dev.css', 441 'wp-admin/css/ie-rtl.dev.css', 442 'wp-admin/css/ie.dev.css', 443 'wp-admin/css/install.dev.css', 444 'wp-admin/css/colors-fresh.dev.css', 445 'wp-includes/js/customize-base.dev.js', 446 'wp-includes/js/json2.dev.js', 447 'wp-includes/js/comment-reply.dev.js', 448 'wp-includes/js/customize-preview.dev.js', 449 'wp-includes/js/wplink.dev.js', 450 'wp-includes/js/tw-sack.dev.js', 451 'wp-includes/js/wp-list-revisions.dev.js', 452 'wp-includes/js/autosave.dev.js', 453 'wp-includes/js/admin-bar.dev.js', 454 'wp-includes/js/quicktags.dev.js', 455 'wp-includes/js/wp-ajax-response.dev.js', 456 'wp-includes/js/wp-pointer.dev.js', 457 'wp-includes/js/hoverIntent.dev.js', 458 'wp-includes/js/colorpicker.dev.js', 459 'wp-includes/js/wp-lists.dev.js', 460 'wp-includes/js/customize-loader.dev.js', 461 'wp-includes/js/jquery/jquery.table-hotkeys.dev.js', 462 'wp-includes/js/jquery/jquery.color.dev.js', 463 'wp-includes/js/jquery/jquery.color.js', 464 'wp-includes/js/jquery/jquery.hotkeys.dev.js', 465 'wp-includes/js/jquery/jquery.form.dev.js', 466 'wp-includes/js/jquery/suggest.dev.js', 467 'wp-admin/js/xfn.dev.js', 468 'wp-admin/js/set-post-thumbnail.dev.js', 469 'wp-admin/js/comment.dev.js', 470 'wp-admin/js/theme.dev.js', 471 'wp-admin/js/cat.dev.js', 472 'wp-admin/js/password-strength-meter.dev.js', 473 'wp-admin/js/user-profile.dev.js', 474 'wp-admin/js/theme-preview.dev.js', 475 'wp-admin/js/post.dev.js', 476 'wp-admin/js/media-upload.dev.js', 477 'wp-admin/js/word-count.dev.js', 478 'wp-admin/js/plugin-install.dev.js', 479 'wp-admin/js/edit-comments.dev.js', 480 'wp-admin/js/media-gallery.dev.js', 481 'wp-admin/js/custom-fields.dev.js', 482 'wp-admin/js/custom-background.dev.js', 483 'wp-admin/js/common.dev.js', 484 'wp-admin/js/inline-edit-tax.dev.js', 485 'wp-admin/js/gallery.dev.js', 486 'wp-admin/js/utils.dev.js', 487 'wp-admin/js/widgets.dev.js', 488 'wp-admin/js/wp-fullscreen.dev.js', 489 'wp-admin/js/nav-menu.dev.js', 490 'wp-admin/js/dashboard.dev.js', 491 'wp-admin/js/link.dev.js', 492 'wp-admin/js/user-suggest.dev.js', 493 'wp-admin/js/postbox.dev.js', 494 'wp-admin/js/tags.dev.js', 495 'wp-admin/js/image-edit.dev.js', 496 'wp-admin/js/media.dev.js', 497 'wp-admin/js/customize-controls.dev.js', 498 'wp-admin/js/inline-edit-post.dev.js', 499 'wp-admin/js/categories.dev.js', 500 'wp-admin/js/editor.dev.js', 501 'wp-includes/js/tinymce/plugins/wpeditimage/js/editimage.dev.js', 502 'wp-includes/js/tinymce/plugins/wpdialogs/js/popup.dev.js', 503 'wp-includes/js/tinymce/plugins/wpdialogs/js/wpdialog.dev.js', 504 'wp-includes/js/plupload/handlers.dev.js', 505 'wp-includes/js/plupload/wp-plupload.dev.js', 506 'wp-includes/js/swfupload/handlers.dev.js', 507 'wp-includes/js/jcrop/jquery.Jcrop.dev.js', 508 'wp-includes/js/jcrop/jquery.Jcrop.js', 509 'wp-includes/js/jcrop/jquery.Jcrop.css', 510 'wp-includes/js/imgareaselect/jquery.imgareaselect.dev.js', 511 'wp-includes/css/wp-pointer.dev.css', 512 'wp-includes/css/editor.dev.css', 513 'wp-includes/css/jquery-ui-dialog.dev.css', 514 'wp-includes/css/admin-bar-rtl.dev.css', 515 'wp-includes/css/admin-bar.dev.css', 516 'wp-includes/js/jquery/ui/jquery.effects.clip.min.js', 517 'wp-includes/js/jquery/ui/jquery.effects.scale.min.js', 518 'wp-includes/js/jquery/ui/jquery.effects.blind.min.js', 519 'wp-includes/js/jquery/ui/jquery.effects.core.min.js', 520 'wp-includes/js/jquery/ui/jquery.effects.shake.min.js', 521 'wp-includes/js/jquery/ui/jquery.effects.fade.min.js', 522 'wp-includes/js/jquery/ui/jquery.effects.explode.min.js', 523 'wp-includes/js/jquery/ui/jquery.effects.slide.min.js', 524 'wp-includes/js/jquery/ui/jquery.effects.drop.min.js', 525 'wp-includes/js/jquery/ui/jquery.effects.highlight.min.js', 526 'wp-includes/js/jquery/ui/jquery.effects.bounce.min.js', 527 'wp-includes/js/jquery/ui/jquery.effects.pulsate.min.js', 528 'wp-includes/js/jquery/ui/jquery.effects.transfer.min.js', 529 'wp-includes/js/jquery/ui/jquery.effects.fold.min.js', 530 'wp-admin/images/screenshots/captions-1.png', 531 'wp-admin/images/screenshots/captions-2.png', 532 'wp-admin/images/screenshots/flex-header-1.png', 533 'wp-admin/images/screenshots/flex-header-2.png', 534 'wp-admin/images/screenshots/flex-header-3.png', 535 'wp-admin/images/screenshots/flex-header-media-library.png', 536 'wp-admin/images/screenshots/theme-customizer.png', 537 'wp-admin/images/screenshots/twitter-embed-1.png', 538 'wp-admin/images/screenshots/twitter-embed-2.png', 539 'wp-admin/js/utils.js', 540 // Added back in 5.3 [45448], see #43895. 541 // 'wp-admin/options-privacy.php', 542 'wp-app.php', 543 'wp-includes/class-wp-atom-server.php', 544 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/ui.css', 545 // 3.5.2 546 'wp-includes/js/swfupload/swfupload-all.js', 547 // 3.6 548 'wp-admin/js/revisions-js.php', 549 'wp-admin/images/screenshots', 550 'wp-admin/js/categories.js', 551 'wp-admin/js/categories.min.js', 552 'wp-admin/js/custom-fields.js', 553 'wp-admin/js/custom-fields.min.js', 554 // 3.7 555 'wp-admin/js/cat.js', 556 'wp-admin/js/cat.min.js', 557 'wp-includes/js/tinymce/plugins/wpeditimage/js/editimage.min.js', 558 // 3.8 559 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/page_bug.gif', 560 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/more_bug.gif', 561 'wp-includes/js/thickbox/tb-close-2x.png', 562 'wp-includes/js/thickbox/tb-close.png', 563 'wp-includes/images/wpmini-blue-2x.png', 564 'wp-includes/images/wpmini-blue.png', 565 'wp-admin/css/colors-fresh.css', 566 'wp-admin/css/colors-classic.css', 567 'wp-admin/css/colors-fresh.min.css', 568 'wp-admin/css/colors-classic.min.css', 569 'wp-admin/js/about.min.js', 570 'wp-admin/js/about.js', 571 'wp-admin/images/arrows-dark-vs-2x.png', 572 'wp-admin/images/wp-logo-vs.png', 573 'wp-admin/images/arrows-dark-vs.png', 574 'wp-admin/images/wp-logo.png', 575 'wp-admin/images/arrows-pr.png', 576 'wp-admin/images/arrows-dark.png', 577 'wp-admin/images/press-this.png', 578 'wp-admin/images/press-this-2x.png', 579 'wp-admin/images/arrows-vs-2x.png', 580 'wp-admin/images/welcome-icons.png', 581 'wp-admin/images/wp-logo-2x.png', 582 'wp-admin/images/stars-rtl-2x.png', 583 'wp-admin/images/arrows-dark-2x.png', 584 'wp-admin/images/arrows-pr-2x.png', 585 'wp-admin/images/menu-shadow-rtl.png', 586 'wp-admin/images/arrows-vs.png', 587 'wp-admin/images/about-search-2x.png', 588 'wp-admin/images/bubble_bg-rtl-2x.gif', 589 'wp-admin/images/wp-badge-2x.png', 590 'wp-admin/images/wordpress-logo-2x.png', 591 'wp-admin/images/bubble_bg-rtl.gif', 592 'wp-admin/images/wp-badge.png', 593 'wp-admin/images/menu-shadow.png', 594 'wp-admin/images/about-globe-2x.png', 595 'wp-admin/images/welcome-icons-2x.png', 596 'wp-admin/images/stars-rtl.png', 597 'wp-admin/images/wp-logo-vs-2x.png', 598 'wp-admin/images/about-updates-2x.png', 599 // 3.9 600 'wp-admin/css/colors.css', 601 'wp-admin/css/colors.min.css', 602 'wp-admin/css/colors-rtl.css', 603 'wp-admin/css/colors-rtl.min.css', 604 // Following files added back in 4.5, see #36083. 605 // 'wp-admin/css/media-rtl.min.css', 606 // 'wp-admin/css/media.min.css', 607 // 'wp-admin/css/farbtastic-rtl.min.css', 608 'wp-admin/images/lock-2x.png', 609 'wp-admin/images/lock.png', 610 'wp-admin/js/theme-preview.js', 611 'wp-admin/js/theme-install.min.js', 612 'wp-admin/js/theme-install.js', 613 'wp-admin/js/theme-preview.min.js', 614 'wp-includes/js/plupload/plupload.html4.js', 615 'wp-includes/js/plupload/plupload.html5.js', 616 'wp-includes/js/plupload/changelog.txt', 617 'wp-includes/js/plupload/plupload.silverlight.js', 618 'wp-includes/js/plupload/plupload.flash.js', 619 // Added back in 4.9 [41328], see #41755. 620 // 'wp-includes/js/plupload/plupload.js', 621 'wp-includes/js/tinymce/plugins/spellchecker', 622 'wp-includes/js/tinymce/plugins/inlinepopups', 623 'wp-includes/js/tinymce/plugins/media/js', 624 'wp-includes/js/tinymce/plugins/media/css', 625 'wp-includes/js/tinymce/plugins/wordpress/img', 626 'wp-includes/js/tinymce/plugins/wpdialogs/js', 627 'wp-includes/js/tinymce/plugins/wpeditimage/img', 628 'wp-includes/js/tinymce/plugins/wpeditimage/js', 629 'wp-includes/js/tinymce/plugins/wpeditimage/css', 630 'wp-includes/js/tinymce/plugins/wpgallery/img', 631 'wp-includes/js/tinymce/plugins/wpfullscreen/css', 632 'wp-includes/js/tinymce/plugins/paste/js', 633 'wp-includes/js/tinymce/themes/advanced', 634 'wp-includes/js/tinymce/tiny_mce.js', 635 'wp-includes/js/tinymce/mark_loaded_src.js', 636 'wp-includes/js/tinymce/wp-tinymce-schema.js', 637 'wp-includes/js/tinymce/plugins/media/editor_plugin.js', 638 'wp-includes/js/tinymce/plugins/media/editor_plugin_src.js', 639 'wp-includes/js/tinymce/plugins/media/media.htm', 640 'wp-includes/js/tinymce/plugins/wpview/editor_plugin_src.js', 641 'wp-includes/js/tinymce/plugins/wpview/editor_plugin.js', 642 'wp-includes/js/tinymce/plugins/directionality/editor_plugin.js', 643 'wp-includes/js/tinymce/plugins/directionality/editor_plugin_src.js', 644 'wp-includes/js/tinymce/plugins/wordpress/editor_plugin.js', 645 'wp-includes/js/tinymce/plugins/wordpress/editor_plugin_src.js', 646 'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin_src.js', 647 'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin.js', 648 'wp-includes/js/tinymce/plugins/wpeditimage/editimage.html', 649 'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin.js', 650 'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin_src.js', 651 'wp-includes/js/tinymce/plugins/fullscreen/editor_plugin_src.js', 652 'wp-includes/js/tinymce/plugins/fullscreen/fullscreen.htm', 653 'wp-includes/js/tinymce/plugins/fullscreen/editor_plugin.js', 654 'wp-includes/js/tinymce/plugins/wplink/editor_plugin_src.js', 655 'wp-includes/js/tinymce/plugins/wplink/editor_plugin.js', 656 'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin_src.js', 657 'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.js', 658 'wp-includes/js/tinymce/plugins/tabfocus/editor_plugin.js', 659 'wp-includes/js/tinymce/plugins/tabfocus/editor_plugin_src.js', 660 'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin.js', 661 'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin_src.js', 662 'wp-includes/js/tinymce/plugins/paste/editor_plugin.js', 663 'wp-includes/js/tinymce/plugins/paste/pasteword.htm', 664 'wp-includes/js/tinymce/plugins/paste/editor_plugin_src.js', 665 'wp-includes/js/tinymce/plugins/paste/pastetext.htm', 666 'wp-includes/js/tinymce/langs/wp-langs.php', 667 // 4.1 668 'wp-includes/js/jquery/ui/jquery.ui.accordion.min.js', 669 'wp-includes/js/jquery/ui/jquery.ui.autocomplete.min.js', 670 'wp-includes/js/jquery/ui/jquery.ui.button.min.js', 671 'wp-includes/js/jquery/ui/jquery.ui.core.min.js', 672 'wp-includes/js/jquery/ui/jquery.ui.datepicker.min.js', 673 'wp-includes/js/jquery/ui/jquery.ui.dialog.min.js', 674 'wp-includes/js/jquery/ui/jquery.ui.draggable.min.js', 675 'wp-includes/js/jquery/ui/jquery.ui.droppable.min.js', 676 'wp-includes/js/jquery/ui/jquery.ui.effect-blind.min.js', 677 'wp-includes/js/jquery/ui/jquery.ui.effect-bounce.min.js', 678 'wp-includes/js/jquery/ui/jquery.ui.effect-clip.min.js', 679 'wp-includes/js/jquery/ui/jquery.ui.effect-drop.min.js', 680 'wp-includes/js/jquery/ui/jquery.ui.effect-explode.min.js', 681 'wp-includes/js/jquery/ui/jquery.ui.effect-fade.min.js', 682 'wp-includes/js/jquery/ui/jquery.ui.effect-fold.min.js', 683 'wp-includes/js/jquery/ui/jquery.ui.effect-highlight.min.js', 684 'wp-includes/js/jquery/ui/jquery.ui.effect-pulsate.min.js', 685 'wp-includes/js/jquery/ui/jquery.ui.effect-scale.min.js', 686 'wp-includes/js/jquery/ui/jquery.ui.effect-shake.min.js', 687 'wp-includes/js/jquery/ui/jquery.ui.effect-slide.min.js', 688 'wp-includes/js/jquery/ui/jquery.ui.effect-transfer.min.js', 689 'wp-includes/js/jquery/ui/jquery.ui.effect.min.js', 690 'wp-includes/js/jquery/ui/jquery.ui.menu.min.js', 691 'wp-includes/js/jquery/ui/jquery.ui.mouse.min.js', 692 'wp-includes/js/jquery/ui/jquery.ui.position.min.js', 693 'wp-includes/js/jquery/ui/jquery.ui.progressbar.min.js', 694 'wp-includes/js/jquery/ui/jquery.ui.resizable.min.js', 695 'wp-includes/js/jquery/ui/jquery.ui.selectable.min.js', 696 'wp-includes/js/jquery/ui/jquery.ui.slider.min.js', 697 'wp-includes/js/jquery/ui/jquery.ui.sortable.min.js', 698 'wp-includes/js/jquery/ui/jquery.ui.spinner.min.js', 699 'wp-includes/js/jquery/ui/jquery.ui.tabs.min.js', 700 'wp-includes/js/jquery/ui/jquery.ui.tooltip.min.js', 701 'wp-includes/js/jquery/ui/jquery.ui.widget.min.js', 702 'wp-includes/js/tinymce/skins/wordpress/images/dashicon-no-alt.png', 703 // 4.3 704 'wp-admin/js/wp-fullscreen.js', 705 'wp-admin/js/wp-fullscreen.min.js', 706 'wp-includes/js/tinymce/wp-mce-help.php', 707 'wp-includes/js/tinymce/plugins/wpfullscreen', 708 // 4.5 709 'wp-includes/theme-compat/comments-popup.php', 710 // 4.6 711 'wp-admin/includes/class-wp-automatic-upgrader.php', // Wrong file name, see #37628. 712 // 4.8 713 'wp-includes/js/tinymce/plugins/wpembed', 714 'wp-includes/js/tinymce/plugins/media/moxieplayer.swf', 715 'wp-includes/js/tinymce/skins/lightgray/fonts/readme.md', 716 'wp-includes/js/tinymce/skins/lightgray/fonts/tinymce-small.json', 717 'wp-includes/js/tinymce/skins/lightgray/fonts/tinymce.json', 718 'wp-includes/js/tinymce/skins/lightgray/skin.ie7.min.css', 719 // 4.9 720 'wp-admin/css/press-this-editor-rtl.css', 721 'wp-admin/css/press-this-editor-rtl.min.css', 722 'wp-admin/css/press-this-editor.css', 723 'wp-admin/css/press-this-editor.min.css', 724 'wp-admin/css/press-this-rtl.css', 725 'wp-admin/css/press-this-rtl.min.css', 726 'wp-admin/css/press-this.css', 727 'wp-admin/css/press-this.min.css', 728 'wp-admin/includes/class-wp-press-this.php', 729 'wp-admin/js/bookmarklet.js', 730 'wp-admin/js/bookmarklet.min.js', 731 'wp-admin/js/press-this.js', 732 'wp-admin/js/press-this.min.js', 733 'wp-includes/js/mediaelement/background.png', 734 'wp-includes/js/mediaelement/bigplay.png', 735 'wp-includes/js/mediaelement/bigplay.svg', 736 'wp-includes/js/mediaelement/controls.png', 737 'wp-includes/js/mediaelement/controls.svg', 738 'wp-includes/js/mediaelement/flashmediaelement.swf', 739 'wp-includes/js/mediaelement/froogaloop.min.js', 740 'wp-includes/js/mediaelement/jumpforward.png', 741 'wp-includes/js/mediaelement/loading.gif', 742 'wp-includes/js/mediaelement/silverlightmediaelement.xap', 743 'wp-includes/js/mediaelement/skipback.png', 744 'wp-includes/js/plupload/plupload.flash.swf', 745 'wp-includes/js/plupload/plupload.full.min.js', 746 'wp-includes/js/plupload/plupload.silverlight.xap', 747 'wp-includes/js/swfupload/plugins', 748 'wp-includes/js/swfupload/swfupload.swf', 749 // 4.9.2 750 'wp-includes/js/mediaelement/lang', 751 'wp-includes/js/mediaelement/lang/ca.js', 752 'wp-includes/js/mediaelement/lang/cs.js', 753 'wp-includes/js/mediaelement/lang/de.js', 754 'wp-includes/js/mediaelement/lang/es.js', 755 'wp-includes/js/mediaelement/lang/fa.js', 756 'wp-includes/js/mediaelement/lang/fr.js', 757 'wp-includes/js/mediaelement/lang/hr.js', 758 'wp-includes/js/mediaelement/lang/hu.js', 759 'wp-includes/js/mediaelement/lang/it.js', 760 'wp-includes/js/mediaelement/lang/ja.js', 761 'wp-includes/js/mediaelement/lang/ko.js', 762 'wp-includes/js/mediaelement/lang/nl.js', 763 'wp-includes/js/mediaelement/lang/pl.js', 764 'wp-includes/js/mediaelement/lang/pt.js', 765 'wp-includes/js/mediaelement/lang/ro.js', 766 'wp-includes/js/mediaelement/lang/ru.js', 767 'wp-includes/js/mediaelement/lang/sk.js', 768 'wp-includes/js/mediaelement/lang/sv.js', 769 'wp-includes/js/mediaelement/lang/uk.js', 770 'wp-includes/js/mediaelement/lang/zh-cn.js', 771 'wp-includes/js/mediaelement/lang/zh.js', 772 'wp-includes/js/mediaelement/mediaelement-flash-audio-ogg.swf', 773 'wp-includes/js/mediaelement/mediaelement-flash-audio.swf', 774 'wp-includes/js/mediaelement/mediaelement-flash-video-hls.swf', 775 'wp-includes/js/mediaelement/mediaelement-flash-video-mdash.swf', 776 'wp-includes/js/mediaelement/mediaelement-flash-video.swf', 777 'wp-includes/js/mediaelement/renderers/dailymotion.js', 778 'wp-includes/js/mediaelement/renderers/dailymotion.min.js', 779 'wp-includes/js/mediaelement/renderers/facebook.js', 780 'wp-includes/js/mediaelement/renderers/facebook.min.js', 781 'wp-includes/js/mediaelement/renderers/soundcloud.js', 782 'wp-includes/js/mediaelement/renderers/soundcloud.min.js', 783 'wp-includes/js/mediaelement/renderers/twitch.js', 784 'wp-includes/js/mediaelement/renderers/twitch.min.js', 785 // 5.0 786 'wp-includes/js/codemirror/jshint.js', 787 // 5.1 788 'wp-includes/random_compat/random_bytes_openssl.php', 789 'wp-includes/js/tinymce/wp-tinymce.js.gz', 790 // 5.3 791 'wp-includes/js/wp-a11y.js', // Moved to: wp-includes/js/dist/a11y.js 792 'wp-includes/js/wp-a11y.min.js', // Moved to: wp-includes/js/dist/a11y.min.js 793 // 5.4 794 'wp-admin/js/wp-fullscreen-stub.js', 795 'wp-admin/js/wp-fullscreen-stub.min.js', 796 // 5.5 797 'wp-admin/css/ie.css', 798 'wp-admin/css/ie.min.css', 799 'wp-admin/css/ie-rtl.css', 800 'wp-admin/css/ie-rtl.min.css', 801 // 5.6 802 'wp-includes/js/jquery/ui/position.min.js', 803 'wp-includes/js/jquery/ui/widget.min.js', 804 ); 805 806 /** 807 * Stores new files in wp-content to copy 808 * 809 * The contents of this array indicate any new bundled plugins/themes which 810 * should be installed with the WordPress Upgrade. These items will not be 811 * re-installed in future upgrades, this behaviour is controlled by the 812 * introduced version present here being older than the current installed version. 813 * 814 * The content of this array should follow the following format: 815 * Filename (relative to wp-content) => Introduced version 816 * Directories should be noted by suffixing it with a trailing slash (/) 817 * 818 * @since 3.2.0 819 * @since 4.7.0 New themes were not automatically installed for 4.4-4.6 on 820 * upgrade. New themes are now installed again. To disable new 821 * themes from being installed on upgrade, explicitly define 822 * CORE_UPGRADE_SKIP_NEW_BUNDLED as true. 823 * @global array $_new_bundled_files 824 * @var array 825 * @name $_new_bundled_files 826 */ 827 global $_new_bundled_files; 828 829 $_new_bundled_files = array( 830 'plugins/akismet/' => '2.0', 831 'themes/twentyten/' => '3.0', 832 'themes/twentyeleven/' => '3.2', 833 'themes/twentytwelve/' => '3.5', 834 'themes/twentythirteen/' => '3.6', 835 'themes/twentyfourteen/' => '3.8', 836 'themes/twentyfifteen/' => '4.1', 837 'themes/twentysixteen/' => '4.4', 838 'themes/twentyseventeen/' => '4.7', 839 'themes/twentynineteen/' => '5.0', 840 'themes/twentytwenty/' => '5.3', 841 'themes/twentytwentyone/' => '5.6', 842 ); 843 844 /** 845 * Upgrades the core of WordPress. 846 * 847 * This will create a .maintenance file at the base of the WordPress directory 848 * to ensure that people can not access the web site, when the files are being 849 * copied to their locations. 850 * 851 * The files in the `$_old_files` list will be removed and the new files 852 * copied from the zip file after the database is upgraded. 853 * 854 * The files in the `$_new_bundled_files` list will be added to the installation 855 * if the version is greater than or equal to the old version being upgraded. 856 * 857 * The steps for the upgrader for after the new release is downloaded and 858 * unzipped is: 859 * 1. Test unzipped location for select files to ensure that unzipped worked. 860 * 2. Create the .maintenance file in current WordPress base. 861 * 3. Copy new WordPress directory over old WordPress files. 862 * 4. Upgrade WordPress to new version. 863 * 4.1. Copy all files/folders other than wp-content 864 * 4.2. Copy any language files to WP_LANG_DIR (which may differ from WP_CONTENT_DIR 865 * 4.3. Copy any new bundled themes/plugins to their respective locations 866 * 5. Delete new WordPress directory path. 867 * 6. Delete .maintenance file. 868 * 7. Remove old files. 869 * 8. Delete 'update_core' option. 870 * 871 * There are several areas of failure. For instance if PHP times out before step 872 * 6, then you will not be able to access any portion of your site. Also, since 873 * the upgrade will not continue where it left off, you will not be able to 874 * automatically remove old files and remove the 'update_core' option. This 875 * isn't that bad. 876 * 877 * If the copy of the new WordPress over the old fails, then the worse is that 878 * the new WordPress directory will remain. 879 * 880 * If it is assumed that every file will be copied over, including plugins and 881 * themes, then if you edit the default theme, you should rename it, so that 882 * your changes remain. 883 * 884 * @since 2.7.0 885 * 886 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. 887 * @global array $_old_files 888 * @global array $_new_bundled_files 889 * @global wpdb $wpdb WordPress database abstraction object. 890 * @global string $wp_version 891 * @global string $required_php_version 892 * @global string $required_mysql_version 893 * 894 * @param string $from New release unzipped path. 895 * @param string $to Path to old WordPress installation. 896 * @return string|WP_Error New WordPress version on success, WP_Error on failure. 897 */ 898 function update_core( $from, $to ) { 899 global $wp_filesystem, $_old_files, $_new_bundled_files, $wpdb; 900 901 set_time_limit( 300 ); 902 903 /** 904 * Filters feedback messages displayed during the core update process. 905 * 906 * The filter is first evaluated after the zip file for the latest version 907 * has been downloaded and unzipped. It is evaluated five more times during 908 * the process: 909 * 910 * 1. Before WordPress begins the core upgrade process. 911 * 2. Before Maintenance Mode is enabled. 912 * 3. Before WordPress begins copying over the necessary files. 913 * 4. Before Maintenance Mode is disabled. 914 * 5. Before the database is upgraded. 915 * 916 * @since 2.5.0 917 * 918 * @param string $feedback The core update feedback messages. 919 */ 920 apply_filters( 'update_feedback', __( 'Verifying the unpacked files…' ) ); 921 922 // Sanity check the unzipped distribution. 923 $distro = ''; 924 $roots = array( '/wordpress/', '/wordpress-mu/' ); 925 foreach ( $roots as $root ) { 926 if ( $wp_filesystem->exists( $from . $root . 'readme.html' ) && $wp_filesystem->exists( $from . $root . 'wp-includes/version.php' ) ) { 927 $distro = $root; 928 break; 929 } 930 } 931 if ( ! $distro ) { 932 $wp_filesystem->delete( $from, true ); 933 return new WP_Error( 'insane_distro', __( 'The update could not be unpacked' ) ); 934 } 935 936 /* 937 * Import $wp_version, $required_php_version, and $required_mysql_version from the new version. 938 * DO NOT globalise any variables imported from `version-current.php` in this function. 939 * 940 * BC Note: $wp_filesystem->wp_content_dir() returned unslashed pre-2.8 941 */ 942 $versions_file = trailingslashit( $wp_filesystem->wp_content_dir() ) . 'upgrade/version-current.php'; 943 if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $versions_file ) ) { 944 $wp_filesystem->delete( $from, true ); 945 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' ); 946 } 947 948 $wp_filesystem->chmod( $versions_file, FS_CHMOD_FILE ); 949 require WP_CONTENT_DIR . '/upgrade/version-current.php'; 950 $wp_filesystem->delete( $versions_file ); 951 952 $php_version = phpversion(); 953 $mysql_version = $wpdb->db_version(); 954 $old_wp_version = $GLOBALS['wp_version']; // The version of WordPress we're updating from. 955 $development_build = ( false !== strpos( $old_wp_version . $wp_version, '-' ) ); // A dash in the version indicates a development release. 956 $php_compat = version_compare( $php_version, $required_php_version, '>=' ); 957 if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) { 958 $mysql_compat = true; 959 } else { 960 $mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' ); 961 } 962 963 if ( ! $mysql_compat || ! $php_compat ) { 964 $wp_filesystem->delete( $from, true ); 965 } 966 967 $php_update_message = ''; 968 969 if ( function_exists( 'wp_get_update_php_url' ) ) { 970 /* translators: %s: URL to Update PHP page. */ 971 $php_update_message = '</p><p>' . sprintf( 972 __( '<a href="%s">Learn more about updating PHP</a>.' ), 973 esc_url( wp_get_update_php_url() ) 974 ); 975 976 if ( function_exists( 'wp_get_update_php_annotation' ) ) { 977 $annotation = wp_get_update_php_annotation(); 978 979 if ( $annotation ) { 980 $php_update_message .= '</p><p><em>' . $annotation . '</em>'; 981 } 982 } 983 } 984 985 if ( ! $mysql_compat && ! $php_compat ) { 986 return new WP_Error( 987 'php_mysql_not_compatible', 988 sprintf( 989 /* translators: 1: WordPress version number, 2: Minimum required PHP version number, 3: Minimum required MySQL version number, 4: Current PHP version number, 5: Current MySQL version number. */ 990 __( 'The update cannot be installed because WordPress %1$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.' ), 991 $wp_version, 992 $required_php_version, 993 $required_mysql_version, 994 $php_version, 995 $mysql_version 996 ) . $php_update_message 997 ); 998 } elseif ( ! $php_compat ) { 999 return new WP_Error( 1000 'php_not_compatible', 1001 sprintf( 1002 /* translators: 1: WordPress version number, 2: Minimum required PHP version number, 3: Current PHP version number. */ 1003 __( 'The update cannot be installed because WordPress %1$s requires PHP version %2$s or higher. You are running version %3$s.' ), 1004 $wp_version, 1005 $required_php_version, 1006 $php_version 1007 ) . $php_update_message 1008 ); 1009 } elseif ( ! $mysql_compat ) { 1010 return new WP_Error( 1011 'mysql_not_compatible', 1012 sprintf( 1013 /* translators: 1: WordPress version number, 2: Minimum required MySQL version number, 3: Current MySQL version number. */ 1014 __( 'The update cannot be installed because WordPress %1$s requires MySQL version %2$s or higher. You are running version %3$s.' ), 1015 $wp_version, 1016 $required_mysql_version, 1017 $mysql_version 1018 ) 1019 ); 1020 } 1021 1022 // Add a warning when the JSON PHP extension is missing. 1023 if ( ! extension_loaded( 'json' ) ) { 1024 return new WP_Error( 1025 'php_not_compatible_json', 1026 sprintf( 1027 /* translators: 1: WordPress version number, 2: The PHP extension name needed. */ 1028 __( 'The update cannot be installed because WordPress %1$s requires the %2$s PHP extension.' ), 1029 $wp_version, 1030 'JSON' 1031 ) 1032 ); 1033 } 1034 1035 /** This filter is documented in wp-admin/includes/update-core.php */ 1036 apply_filters( 'update_feedback', __( 'Preparing to install the latest version…' ) ); 1037 1038 // Don't copy wp-content, we'll deal with that below. 1039 // We also copy version.php last so failed updates report their old version. 1040 $skip = array( 'wp-content', 'wp-includes/version.php' ); 1041 $check_is_writable = array(); 1042 1043 // Check to see which files don't really need updating - only available for 3.7 and higher. 1044 if ( function_exists( 'get_core_checksums' ) ) { 1045 // Find the local version of the working directory. 1046 $working_dir_local = WP_CONTENT_DIR . '/upgrade/' . basename( $from ) . $distro; 1047 1048 $checksums = get_core_checksums( $wp_version, isset( $wp_local_package ) ? $wp_local_package : 'en_US' ); 1049 if ( is_array( $checksums ) && isset( $checksums[ $wp_version ] ) ) { 1050 $checksums = $checksums[ $wp_version ]; // Compat code for 3.7-beta2. 1051 } 1052 if ( is_array( $checksums ) ) { 1053 foreach ( $checksums as $file => $checksum ) { 1054 if ( 'wp-content' === substr( $file, 0, 10 ) ) { 1055 continue; 1056 } 1057 if ( ! file_exists( ABSPATH . $file ) ) { 1058 continue; 1059 } 1060 if ( ! file_exists( $working_dir_local . $file ) ) { 1061 continue; 1062 } 1063 if ( '.' === dirname( $file ) && in_array( pathinfo( $file, PATHINFO_EXTENSION ), array( 'html', 'txt' ), true ) ) { 1064 continue; 1065 } 1066 if ( md5_file( ABSPATH . $file ) === $checksum ) { 1067 $skip[] = $file; 1068 } else { 1069 $check_is_writable[ $file ] = ABSPATH . $file; 1070 } 1071 } 1072 } 1073 } 1074 1075 // If we're using the direct method, we can predict write failures that are due to permissions. 1076 if ( $check_is_writable && 'direct' === $wp_filesystem->method ) { 1077 $files_writable = array_filter( $check_is_writable, array( $wp_filesystem, 'is_writable' ) ); 1078 if ( $files_writable !== $check_is_writable ) { 1079 $files_not_writable = array_diff_key( $check_is_writable, $files_writable ); 1080 foreach ( $files_not_writable as $relative_file_not_writable => $file_not_writable ) { 1081 // If the writable check failed, chmod file to 0644 and try again, same as copy_dir(). 1082 $wp_filesystem->chmod( $file_not_writable, FS_CHMOD_FILE ); 1083 if ( $wp_filesystem->is_writable( $file_not_writable ) ) { 1084 unset( $files_not_writable[ $relative_file_not_writable ] ); 1085 } 1086 } 1087 1088 // Store package-relative paths (the key) of non-writable files in the WP_Error object. 1089 $error_data = version_compare( $old_wp_version, '3.7-beta2', '>' ) ? array_keys( $files_not_writable ) : ''; 1090 1091 if ( $files_not_writable ) { 1092 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 ) ); 1093 } 1094 } 1095 } 1096 1097 /** This filter is documented in wp-admin/includes/update-core.php */ 1098 apply_filters( 'update_feedback', __( 'Enabling Maintenance mode…' ) ); 1099 // Create maintenance file to signal that we are upgrading. 1100 $maintenance_string = '<?php $upgrading = ' . time() . '; ?>'; 1101 $maintenance_file = $to . '.maintenance'; 1102 $wp_filesystem->delete( $maintenance_file ); 1103 $wp_filesystem->put_contents( $maintenance_file, $maintenance_string, FS_CHMOD_FILE ); 1104 1105 /** This filter is documented in wp-admin/includes/update-core.php */ 1106 apply_filters( 'update_feedback', __( 'Copying the required files…' ) ); 1107 // Copy new versions of WP files into place. 1108 $result = _copy_dir( $from . $distro, $to, $skip ); 1109 if ( is_wp_error( $result ) ) { 1110 $result = new WP_Error( $result->get_error_code(), $result->get_error_message(), substr( $result->get_error_data(), strlen( $to ) ) ); 1111 } 1112 1113 // Since we know the core files have copied over, we can now copy the version file. 1114 if ( ! is_wp_error( $result ) ) { 1115 if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $to . 'wp-includes/version.php', true /* overwrite */ ) ) { 1116 $wp_filesystem->delete( $from, true ); 1117 $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' ); 1118 } 1119 $wp_filesystem->chmod( $to . 'wp-includes/version.php', FS_CHMOD_FILE ); 1120 } 1121 1122 // Check to make sure everything copied correctly, ignoring the contents of wp-content. 1123 $skip = array( 'wp-content' ); 1124 $failed = array(); 1125 if ( isset( $checksums ) && is_array( $checksums ) ) { 1126 foreach ( $checksums as $file => $checksum ) { 1127 if ( 'wp-content' === substr( $file, 0, 10 ) ) { 1128 continue; 1129 } 1130 if ( ! file_exists( $working_dir_local . $file ) ) { 1131 continue; 1132 } 1133 if ( '.' === dirname( $file ) && in_array( pathinfo( $file, PATHINFO_EXTENSION ), array( 'html', 'txt' ), true ) ) { 1134 $skip[] = $file; 1135 continue; 1136 } 1137 if ( file_exists( ABSPATH . $file ) && md5_file( ABSPATH . $file ) == $checksum ) { 1138 $skip[] = $file; 1139 } else { 1140 $failed[] = $file; 1141 } 1142 } 1143 } 1144 1145 // Some files didn't copy properly. 1146 if ( ! empty( $failed ) ) { 1147 $total_size = 0; 1148 foreach ( $failed as $file ) { 1149 if ( file_exists( $working_dir_local . $file ) ) { 1150 $total_size += filesize( $working_dir_local . $file ); 1151 } 1152 } 1153 1154 // If we don't have enough free space, it isn't worth trying again. 1155 // Unlikely to be hit due to the check in unzip_file(). 1156 $available_space = @disk_free_space( ABSPATH ); 1157 if ( $available_space && $total_size >= $available_space ) { 1158 $result = new WP_Error( 'disk_full', __( 'There is not enough free disk space to complete the update.' ) ); 1159 } else { 1160 $result = _copy_dir( $from . $distro, $to, $skip ); 1161 if ( is_wp_error( $result ) ) { 1162 $result = new WP_Error( $result->get_error_code() . '_retry', $result->get_error_message(), substr( $result->get_error_data(), strlen( $to ) ) ); 1163 } 1164 } 1165 } 1166 1167 // Custom content directory needs updating now. 1168 // Copy languages. 1169 if ( ! is_wp_error( $result ) && $wp_filesystem->is_dir( $from . $distro . 'wp-content/languages' ) ) { 1170 if ( WP_LANG_DIR != ABSPATH . WPINC . '/languages' || @is_dir( WP_LANG_DIR ) ) { 1171 $lang_dir = WP_LANG_DIR; 1172 } else { 1173 $lang_dir = WP_CONTENT_DIR . '/languages'; 1174 } 1175 1176 // Check if the language directory exists first. 1177 if ( ! @is_dir( $lang_dir ) && 0 === strpos( $lang_dir, ABSPATH ) ) { 1178 // If it's within the ABSPATH we can handle it here, otherwise they're out of luck. 1179 $wp_filesystem->mkdir( $to . str_replace( ABSPATH, '', $lang_dir ), FS_CHMOD_DIR ); 1180 clearstatcache(); // For FTP, need to clear the stat cache. 1181 } 1182 1183 if ( @is_dir( $lang_dir ) ) { 1184 $wp_lang_dir = $wp_filesystem->find_folder( $lang_dir ); 1185 if ( $wp_lang_dir ) { 1186 $result = copy_dir( $from . $distro . 'wp-content/languages/', $wp_lang_dir ); 1187 if ( is_wp_error( $result ) ) { 1188 $result = new WP_Error( $result->get_error_code() . '_languages', $result->get_error_message(), substr( $result->get_error_data(), strlen( $wp_lang_dir ) ) ); 1189 } 1190 } 1191 } 1192 } 1193 1194 /** This filter is documented in wp-admin/includes/update-core.php */ 1195 apply_filters( 'update_feedback', __( 'Disabling Maintenance mode…' ) ); 1196 // Remove maintenance file, we're done with potential site-breaking changes. 1197 $wp_filesystem->delete( $maintenance_file ); 1198 1199 // 3.5 -> 3.5+ - an empty twentytwelve directory was created upon upgrade to 3.5 for some users, preventing installation of Twenty Twelve. 1200 if ( '3.5' === $old_wp_version ) { 1201 if ( is_dir( WP_CONTENT_DIR . '/themes/twentytwelve' ) && ! file_exists( WP_CONTENT_DIR . '/themes/twentytwelve/style.css' ) ) { 1202 $wp_filesystem->delete( $wp_filesystem->wp_themes_dir() . 'twentytwelve/' ); 1203 } 1204 } 1205 1206 /* 1207 * Copy new bundled plugins & themes. 1208 * This gives us the ability to install new plugins & themes bundled with 1209 * future versions of WordPress whilst avoiding the re-install upon upgrade issue. 1210 * $development_build controls us overwriting bundled themes and plugins when a non-stable release is being updated. 1211 */ 1212 if ( ! is_wp_error( $result ) && ( ! defined( 'CORE_UPGRADE_SKIP_NEW_BUNDLED' ) || ! CORE_UPGRADE_SKIP_NEW_BUNDLED ) ) { 1213 foreach ( (array) $_new_bundled_files as $file => $introduced_version ) { 1214 // If a $development_build or if $introduced version is greater than what the site was previously running. 1215 if ( $development_build || version_compare( $introduced_version, $old_wp_version, '>' ) ) { 1216 $directory = ( '/' === $file[ strlen( $file ) - 1 ] ); 1217 1218 list( $type, $filename ) = explode( '/', $file, 2 ); 1219 1220 // Check to see if the bundled items exist before attempting to copy them. 1221 if ( ! $wp_filesystem->exists( $from . $distro . 'wp-content/' . $file ) ) { 1222 continue; 1223 } 1224 1225 if ( 'plugins' === $type ) { 1226 $dest = $wp_filesystem->wp_plugins_dir(); 1227 } elseif ( 'themes' === $type ) { 1228 // Back-compat, ::wp_themes_dir() did not return trailingslash'd pre-3.2. 1229 $dest = trailingslashit( $wp_filesystem->wp_themes_dir() ); 1230 } else { 1231 continue; 1232 } 1233 1234 if ( ! $directory ) { 1235 if ( ! $development_build && $wp_filesystem->exists( $dest . $filename ) ) { 1236 continue; 1237 } 1238 1239 if ( ! $wp_filesystem->copy( $from . $distro . 'wp-content/' . $file, $dest . $filename, FS_CHMOD_FILE ) ) { 1240 $result = new WP_Error( "copy_failed_for_new_bundled_$type", __( 'Could not copy file.' ), $dest . $filename ); 1241 } 1242 } else { 1243 if ( ! $development_build && $wp_filesystem->is_dir( $dest . $filename ) ) { 1244 continue; 1245 } 1246 1247 $wp_filesystem->mkdir( $dest . $filename, FS_CHMOD_DIR ); 1248 $_result = copy_dir( $from . $distro . 'wp-content/' . $file, $dest . $filename ); 1249 1250 // If a error occurs partway through this final step, keep the error flowing through, but keep process going. 1251 if ( is_wp_error( $_result ) ) { 1252 if ( ! is_wp_error( $result ) ) { 1253 $result = new WP_Error; 1254 } 1255 $result->add( $_result->get_error_code() . "_$type", $_result->get_error_message(), substr( $_result->get_error_data(), strlen( $dest ) ) ); 1256 } 1257 } 1258 } 1259 } // End foreach. 1260 } 1261 1262 // Handle $result error from the above blocks. 1263 if ( is_wp_error( $result ) ) { 1264 $wp_filesystem->delete( $from, true ); 1265 return $result; 1266 } 1267 1268 // Remove old files. 1269 foreach ( $_old_files as $old_file ) { 1270 $old_file = $to . $old_file; 1271 if ( ! $wp_filesystem->exists( $old_file ) ) { 1272 continue; 1273 } 1274 1275 // If the file isn't deleted, try writing an empty string to the file instead. 1276 if ( ! $wp_filesystem->delete( $old_file, true ) && $wp_filesystem->is_file( $old_file ) ) { 1277 $wp_filesystem->put_contents( $old_file, '' ); 1278 } 1279 } 1280 1281 // Remove any Genericons example.html's from the filesystem. 1282 _upgrade_422_remove_genericons(); 1283 1284 // Remove the REST API plugin if its version is Beta 4 or lower. 1285 _upgrade_440_force_deactivate_incompatible_plugins(); 1286 1287 // Upgrade DB with separate request. 1288 /** This filter is documented in wp-admin/includes/update-core.php */ 1289 apply_filters( 'update_feedback', __( 'Upgrading database…' ) ); 1290 $db_upgrade_url = admin_url( 'upgrade.php?step=upgrade_db' ); 1291 wp_remote_post( $db_upgrade_url, array( 'timeout' => 60 ) ); 1292 1293 // Clear the cache to prevent an update_option() from saving a stale db_version to the cache. 1294 wp_cache_flush(); 1295 // Not all cache back ends listen to 'flush'. 1296 wp_cache_delete( 'alloptions', 'options' ); 1297 1298 // Remove working directory. 1299 $wp_filesystem->delete( $from, true ); 1300 1301 // Force refresh of update information. 1302 if ( function_exists( 'delete_site_transient' ) ) { 1303 delete_site_transient( 'update_core' ); 1304 } else { 1305 delete_option( 'update_core' ); 1306 } 1307 1308 /** 1309 * Fires after WordPress core has been successfully updated. 1310 * 1311 * @since 3.3.0 1312 * 1313 * @param string $wp_version The current WordPress version. 1314 */ 1315 do_action( '_core_updated_successfully', $wp_version ); 1316 1317 // Clear the option that blocks auto-updates after failures, now that we've been successful. 1318 if ( function_exists( 'delete_site_option' ) ) { 1319 delete_site_option( 'auto_core_update_failed' ); 1320 } 1321 1322 return $wp_version; 1323 } 1324 1325 /** 1326 * Copies a directory from one location to another via the WordPress Filesystem Abstraction. 1327 * 1328 * Assumes that WP_Filesystem() has already been called and setup. 1329 * 1330 * This is a standalone copy of the `copy_dir()` function that is used to 1331 * upgrade the core files. It is placed here so that the version of this 1332 * function from the *new* WordPress version will be called. 1333 * 1334 * It was initially added for the 3.1 -> 3.2 upgrade. 1335 * 1336 * @ignore 1337 * @since 3.2.0 1338 * @since 3.7.0 Updated not to use a regular expression for the skip list. 1339 * 1340 * @see copy_dir() 1341 * @link https://core.trac.wordpress.org/ticket/17173 1342 * 1343 * @global WP_Filesystem_Base $wp_filesystem 1344 * 1345 * @param string $from Source directory. 1346 * @param string $to Destination directory. 1347 * @param string[] $skip_list Array of files/folders to skip copying. 1348 * @return true|WP_Error True on success, WP_Error on failure. 1349 */ 1350 function _copy_dir( $from, $to, $skip_list = array() ) { 1351 global $wp_filesystem; 1352 1353 $dirlist = $wp_filesystem->dirlist( $from ); 1354 1355 $from = trailingslashit( $from ); 1356 $to = trailingslashit( $to ); 1357 1358 foreach ( (array) $dirlist as $filename => $fileinfo ) { 1359 if ( in_array( $filename, $skip_list, true ) ) { 1360 continue; 1361 } 1362 1363 if ( 'f' === $fileinfo['type'] ) { 1364 if ( ! $wp_filesystem->copy( $from . $filename, $to . $filename, true, FS_CHMOD_FILE ) ) { 1365 // If copy failed, chmod file to 0644 and try again. 1366 $wp_filesystem->chmod( $to . $filename, FS_CHMOD_FILE ); 1367 if ( ! $wp_filesystem->copy( $from . $filename, $to . $filename, true, FS_CHMOD_FILE ) ) { 1368 return new WP_Error( 'copy_failed__copy_dir', __( 'Could not copy file.' ), $to . $filename ); 1369 } 1370 } 1371 1372 // `wp_opcache_invalidate()` only exists in WordPress 5.5, so don't run it when upgrading to 5.5. 1373 if ( function_exists( 'wp_opcache_invalidate' ) ) { 1374 wp_opcache_invalidate( $to . $filename ); 1375 } 1376 } elseif ( 'd' === $fileinfo['type'] ) { 1377 if ( ! $wp_filesystem->is_dir( $to . $filename ) ) { 1378 if ( ! $wp_filesystem->mkdir( $to . $filename, FS_CHMOD_DIR ) ) { 1379 return new WP_Error( 'mkdir_failed__copy_dir', __( 'Could not create directory.' ), $to . $filename ); 1380 } 1381 } 1382 1383 /* 1384 * Generate the $sub_skip_list for the subdirectory as a sub-set 1385 * of the existing $skip_list. 1386 */ 1387 $sub_skip_list = array(); 1388 foreach ( $skip_list as $skip_item ) { 1389 if ( 0 === strpos( $skip_item, $filename . '/' ) ) { 1390 $sub_skip_list[] = preg_replace( '!^' . preg_quote( $filename, '!' ) . '/!i', '', $skip_item ); 1391 } 1392 } 1393 1394 $result = _copy_dir( $from . $filename, $to . $filename, $sub_skip_list ); 1395 if ( is_wp_error( $result ) ) { 1396 return $result; 1397 } 1398 } 1399 } 1400 return true; 1401 } 1402 1403 /** 1404 * Redirect to the About WordPress page after a successful upgrade. 1405 * 1406 * This function is only needed when the existing installation is older than 3.4.0. 1407 * 1408 * @since 3.3.0 1409 * 1410 * @global string $wp_version The WordPress version string. 1411 * @global string $pagenow 1412 * @global string $action 1413 * 1414 * @param string $new_version 1415 */ 1416 function _redirect_to_about_wordpress( $new_version ) { 1417 global $wp_version, $pagenow, $action; 1418 1419 if ( version_compare( $wp_version, '3.4-RC1', '>=' ) ) { 1420 return; 1421 } 1422 1423 // Ensure we only run this on the update-core.php page. The Core_Upgrader may be used in other contexts. 1424 if ( 'update-core.php' !== $pagenow ) { 1425 return; 1426 } 1427 1428 if ( 'do-core-upgrade' !== $action && 'do-core-reinstall' !== $action ) { 1429 return; 1430 } 1431 1432 // Load the updated default text localization domain for new strings. 1433 load_default_textdomain(); 1434 1435 // See do_core_upgrade(). 1436 show_message( __( 'WordPress updated successfully.' ) ); 1437 1438 // self_admin_url() won't exist when upgrading from <= 3.0, so relative URLs are intentional. 1439 show_message( 1440 '<span class="hide-if-no-js">' . sprintf( 1441 /* translators: 1: WordPress version, 2: URL to About screen. */ 1442 __( 'Welcome to WordPress %1$s. You will be redirected to the About WordPress screen. If not, click <a href="%2$s">here</a>.' ), 1443 $new_version, 1444 'about.php?updated' 1445 ) . '</span>' 1446 ); 1447 show_message( 1448 '<span class="hide-if-js">' . sprintf( 1449 /* translators: 1: WordPress version, 2: URL to About screen. */ 1450 __( 'Welcome to WordPress %1$s. <a href="%2$s">Learn more</a>.' ), 1451 $new_version, 1452 'about.php?updated' 1453 ) . '</span>' 1454 ); 1455 echo '</div>'; 1456 ?> 1457 <script type="text/javascript"> 1458 window.location = 'about.php?updated'; 1459 </script> 1460 <?php 1461 1462 // Include admin-footer.php and exit. 1463 require_once ABSPATH . 'wp-admin/admin-footer.php'; 1464 exit; 1465 } 1466 1467 /** 1468 * Cleans up Genericons example files. 1469 * 1470 * @since 4.2.2 1471 * 1472 * @global array $wp_theme_directories 1473 * @global WP_Filesystem_Base $wp_filesystem 1474 */ 1475 function _upgrade_422_remove_genericons() { 1476 global $wp_theme_directories, $wp_filesystem; 1477 1478 // A list of the affected files using the filesystem absolute paths. 1479 $affected_files = array(); 1480 1481 // Themes. 1482 foreach ( $wp_theme_directories as $directory ) { 1483 $affected_theme_files = _upgrade_422_find_genericons_files_in_folder( $directory ); 1484 $affected_files = array_merge( $affected_files, $affected_theme_files ); 1485 } 1486 1487 // Plugins. 1488 $affected_plugin_files = _upgrade_422_find_genericons_files_in_folder( WP_PLUGIN_DIR ); 1489 $affected_files = array_merge( $affected_files, $affected_plugin_files ); 1490 1491 foreach ( $affected_files as $file ) { 1492 $gen_dir = $wp_filesystem->find_folder( trailingslashit( dirname( $file ) ) ); 1493 if ( empty( $gen_dir ) ) { 1494 continue; 1495 } 1496 1497 // The path when the file is accessed via WP_Filesystem may differ in the case of FTP. 1498 $remote_file = $gen_dir . basename( $file ); 1499 1500 if ( ! $wp_filesystem->exists( $remote_file ) ) { 1501 continue; 1502 } 1503 1504 if ( ! $wp_filesystem->delete( $remote_file, false, 'f' ) ) { 1505 $wp_filesystem->put_contents( $remote_file, '' ); 1506 } 1507 } 1508 } 1509 1510 /** 1511 * Recursively find Genericons example files in a given folder. 1512 * 1513 * @ignore 1514 * @since 4.2.2 1515 * 1516 * @param string $directory Directory path. Expects trailingslashed. 1517 * @return array 1518 */ 1519 function _upgrade_422_find_genericons_files_in_folder( $directory ) { 1520 $directory = trailingslashit( $directory ); 1521 $files = array(); 1522 1523 if ( file_exists( "{$directory}example.html" ) && false !== strpos( file_get_contents( "{$directory}example.html" ), '<title>Genericons</title>' ) ) { 1524 $files[] = "{$directory}example.html"; 1525 } 1526 1527 $dirs = glob( $directory . '*', GLOB_ONLYDIR ); 1528 if ( $dirs ) { 1529 foreach ( $dirs as $dir ) { 1530 $files = array_merge( $files, _upgrade_422_find_genericons_files_in_folder( $dir ) ); 1531 } 1532 } 1533 1534 return $files; 1535 } 1536 1537 /** 1538 * @ignore 1539 * @since 4.4.0 1540 */ 1541 function _upgrade_440_force_deactivate_incompatible_plugins() { 1542 if ( defined( 'REST_API_VERSION' ) && version_compare( REST_API_VERSION, '2.0-beta4', '<=' ) ) { 1543 deactivate_plugins( array( 'rest-api/plugin.php' ), true ); 1544 } 1545 }
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| Generated : Mon Jan 25 08:20:01 2021 | Cross-referenced by PHPXref |