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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 // 5.7 805 'wp-includes/blocks/classic/block.json', 806 // 5.8 807 'wp-admin/images/freedoms.png', 808 'wp-admin/images/privacy.png', 809 'wp-admin/images/about-badge.svg', 810 'wp-admin/images/about-color-palette.svg', 811 'wp-admin/images/about-color-palette-vert.svg', 812 'wp-admin/images/about-header-brushes.svg', 813 'wp-includes/block-patterns/large-header.php', 814 'wp-includes/block-patterns/heading-paragraph.php', 815 'wp-includes/block-patterns/quote.php', 816 'wp-includes/block-patterns/text-three-columns-buttons.php', 817 'wp-includes/block-patterns/two-buttons.php', 818 'wp-includes/block-patterns/two-images.php', 819 'wp-includes/block-patterns/three-buttons.php', 820 'wp-includes/block-patterns/text-two-columns-with-images.php', 821 'wp-includes/block-patterns/text-two-columns.php', 822 'wp-includes/block-patterns/large-header-button.php', 823 'wp-includes/blocks/subhead/block.json', 824 'wp-includes/blocks/subhead', 825 ); 826 827 /** 828 * Stores new files in wp-content to copy 829 * 830 * The contents of this array indicate any new bundled plugins/themes which 831 * should be installed with the WordPress Upgrade. These items will not be 832 * re-installed in future upgrades, this behaviour is controlled by the 833 * introduced version present here being older than the current installed version. 834 * 835 * The content of this array should follow the following format: 836 * Filename (relative to wp-content) => Introduced version 837 * Directories should be noted by suffixing it with a trailing slash (/) 838 * 839 * @since 3.2.0 840 * @since 4.7.0 New themes were not automatically installed for 4.4-4.6 on 841 * upgrade. New themes are now installed again. To disable new 842 * themes from being installed on upgrade, explicitly define 843 * CORE_UPGRADE_SKIP_NEW_BUNDLED as true. 844 * @global array $_new_bundled_files 845 * @var array 846 * @name $_new_bundled_files 847 */ 848 global $_new_bundled_files; 849 850 $_new_bundled_files = array( 851 'plugins/akismet/' => '2.0', 852 'themes/twentyten/' => '3.0', 853 'themes/twentyeleven/' => '3.2', 854 'themes/twentytwelve/' => '3.5', 855 'themes/twentythirteen/' => '3.6', 856 'themes/twentyfourteen/' => '3.8', 857 'themes/twentyfifteen/' => '4.1', 858 'themes/twentysixteen/' => '4.4', 859 'themes/twentyseventeen/' => '4.7', 860 'themes/twentynineteen/' => '5.0', 861 'themes/twentytwenty/' => '5.3', 862 'themes/twentytwentyone/' => '5.6', 863 ); 864 865 /** 866 * Upgrades the core of WordPress. 867 * 868 * This will create a .maintenance file at the base of the WordPress directory 869 * to ensure that people can not access the web site, when the files are being 870 * copied to their locations. 871 * 872 * The files in the `$_old_files` list will be removed and the new files 873 * copied from the zip file after the database is upgraded. 874 * 875 * The files in the `$_new_bundled_files` list will be added to the installation 876 * if the version is greater than or equal to the old version being upgraded. 877 * 878 * The steps for the upgrader for after the new release is downloaded and 879 * unzipped is: 880 * 1. Test unzipped location for select files to ensure that unzipped worked. 881 * 2. Create the .maintenance file in current WordPress base. 882 * 3. Copy new WordPress directory over old WordPress files. 883 * 4. Upgrade WordPress to new version. 884 * 4.1. Copy all files/folders other than wp-content 885 * 4.2. Copy any language files to WP_LANG_DIR (which may differ from WP_CONTENT_DIR 886 * 4.3. Copy any new bundled themes/plugins to their respective locations 887 * 5. Delete new WordPress directory path. 888 * 6. Delete .maintenance file. 889 * 7. Remove old files. 890 * 8. Delete 'update_core' option. 891 * 892 * There are several areas of failure. For instance if PHP times out before step 893 * 6, then you will not be able to access any portion of your site. Also, since 894 * the upgrade will not continue where it left off, you will not be able to 895 * automatically remove old files and remove the 'update_core' option. This 896 * isn't that bad. 897 * 898 * If the copy of the new WordPress over the old fails, then the worse is that 899 * the new WordPress directory will remain. 900 * 901 * If it is assumed that every file will be copied over, including plugins and 902 * themes, then if you edit the default theme, you should rename it, so that 903 * your changes remain. 904 * 905 * @since 2.7.0 906 * 907 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. 908 * @global array $_old_files 909 * @global array $_new_bundled_files 910 * @global wpdb $wpdb WordPress database abstraction object. 911 * @global string $wp_version 912 * @global string $required_php_version 913 * @global string $required_mysql_version 914 * 915 * @param string $from New release unzipped path. 916 * @param string $to Path to old WordPress installation. 917 * @return string|WP_Error New WordPress version on success, WP_Error on failure. 918 */ 919 function update_core( $from, $to ) { 920 global $wp_filesystem, $_old_files, $_new_bundled_files, $wpdb; 921 922 set_time_limit( 300 ); 923 924 /** 925 * Filters feedback messages displayed during the core update process. 926 * 927 * The filter is first evaluated after the zip file for the latest version 928 * has been downloaded and unzipped. It is evaluated five more times during 929 * the process: 930 * 931 * 1. Before WordPress begins the core upgrade process. 932 * 2. Before Maintenance Mode is enabled. 933 * 3. Before WordPress begins copying over the necessary files. 934 * 4. Before Maintenance Mode is disabled. 935 * 5. Before the database is upgraded. 936 * 937 * @since 2.5.0 938 * 939 * @param string $feedback The core update feedback messages. 940 */ 941 apply_filters( 'update_feedback', __( 'Verifying the unpacked files…' ) ); 942 943 // Sanity check the unzipped distribution. 944 $distro = ''; 945 $roots = array( '/wordpress/', '/wordpress-mu/' ); 946 947 foreach ( $roots as $root ) { 948 if ( $wp_filesystem->exists( $from . $root . 'readme.html' ) 949 && $wp_filesystem->exists( $from . $root . 'wp-includes/version.php' ) 950 ) { 951 $distro = $root; 952 break; 953 } 954 } 955 956 if ( ! $distro ) { 957 $wp_filesystem->delete( $from, true ); 958 959 return new WP_Error( 'insane_distro', __( 'The update could not be unpacked' ) ); 960 } 961 962 /* 963 * Import $wp_version, $required_php_version, and $required_mysql_version from the new version. 964 * DO NOT globalise any variables imported from `version-current.php` in this function. 965 * 966 * BC Note: $wp_filesystem->wp_content_dir() returned unslashed pre-2.8. 967 */ 968 $versions_file = trailingslashit( $wp_filesystem->wp_content_dir() ) . 'upgrade/version-current.php'; 969 970 if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $versions_file ) ) { 971 $wp_filesystem->delete( $from, true ); 972 973 return new WP_Error( 974 'copy_failed_for_version_file', 975 __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ), 976 'wp-includes/version.php' 977 ); 978 } 979 980 $wp_filesystem->chmod( $versions_file, FS_CHMOD_FILE ); 981 982 /* 983 * `wp_opcache_invalidate()` only exists in WordPress 5.5 or later, 984 * so don't run it when upgrading from older versions. 985 */ 986 if ( function_exists( 'wp_opcache_invalidate' ) ) { 987 wp_opcache_invalidate( $versions_file ); 988 } 989 990 require WP_CONTENT_DIR . '/upgrade/version-current.php'; 991 $wp_filesystem->delete( $versions_file ); 992 993 $php_version = phpversion(); 994 $mysql_version = $wpdb->db_version(); 995 $old_wp_version = $GLOBALS['wp_version']; // The version of WordPress we're updating from. 996 $development_build = ( false !== strpos( $old_wp_version . $wp_version, '-' ) ); // A dash in the version indicates a development release. 997 $php_compat = version_compare( $php_version, $required_php_version, '>=' ); 998 999 if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) { 1000 $mysql_compat = true; 1001 } else { 1002 $mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' ); 1003 } 1004 1005 if ( ! $mysql_compat || ! $php_compat ) { 1006 $wp_filesystem->delete( $from, true ); 1007 } 1008 1009 $php_update_message = ''; 1010 1011 if ( function_exists( 'wp_get_update_php_url' ) ) { 1012 $php_update_message = '</p><p>' . sprintf( 1013 /* translators: %s: URL to Update PHP page. */ 1014 __( '<a href="%s">Learn more about updating PHP</a>.' ), 1015 esc_url( wp_get_update_php_url() ) 1016 ); 1017 1018 if ( function_exists( 'wp_get_update_php_annotation' ) ) { 1019 $annotation = wp_get_update_php_annotation(); 1020 1021 if ( $annotation ) { 1022 $php_update_message .= '</p><p><em>' . $annotation . '</em>'; 1023 } 1024 } 1025 } 1026 1027 if ( ! $mysql_compat && ! $php_compat ) { 1028 return new WP_Error( 1029 'php_mysql_not_compatible', 1030 sprintf( 1031 /* translators: 1: WordPress version number, 2: Minimum required PHP version number, 3: Minimum required MySQL version number, 4: Current PHP version number, 5: Current MySQL version number. */ 1032 __( 'The update cannot be installed because WordPress %1$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.' ), 1033 $wp_version, 1034 $required_php_version, 1035 $required_mysql_version, 1036 $php_version, 1037 $mysql_version 1038 ) . $php_update_message 1039 ); 1040 } elseif ( ! $php_compat ) { 1041 return new WP_Error( 1042 'php_not_compatible', 1043 sprintf( 1044 /* translators: 1: WordPress version number, 2: Minimum required PHP version number, 3: Current PHP version number. */ 1045 __( 'The update cannot be installed because WordPress %1$s requires PHP version %2$s or higher. You are running version %3$s.' ), 1046 $wp_version, 1047 $required_php_version, 1048 $php_version 1049 ) . $php_update_message 1050 ); 1051 } elseif ( ! $mysql_compat ) { 1052 return new WP_Error( 1053 'mysql_not_compatible', 1054 sprintf( 1055 /* translators: 1: WordPress version number, 2: Minimum required MySQL version number, 3: Current MySQL version number. */ 1056 __( 'The update cannot be installed because WordPress %1$s requires MySQL version %2$s or higher. You are running version %3$s.' ), 1057 $wp_version, 1058 $required_mysql_version, 1059 $mysql_version 1060 ) 1061 ); 1062 } 1063 1064 // Add a warning when the JSON PHP extension is missing. 1065 if ( ! extension_loaded( 'json' ) ) { 1066 return new WP_Error( 1067 'php_not_compatible_json', 1068 sprintf( 1069 /* translators: 1: WordPress version number, 2: The PHP extension name needed. */ 1070 __( 'The update cannot be installed because WordPress %1$s requires the %2$s PHP extension.' ), 1071 $wp_version, 1072 'JSON' 1073 ) 1074 ); 1075 } 1076 1077 /** This filter is documented in wp-admin/includes/update-core.php */ 1078 apply_filters( 'update_feedback', __( 'Preparing to install the latest version…' ) ); 1079 1080 // Don't copy wp-content, we'll deal with that below. 1081 // We also copy version.php last so failed updates report their old version. 1082 $skip = array( 'wp-content', 'wp-includes/version.php' ); 1083 $check_is_writable = array(); 1084 1085 // Check to see which files don't really need updating - only available for 3.7 and higher. 1086 if ( function_exists( 'get_core_checksums' ) ) { 1087 // Find the local version of the working directory. 1088 $working_dir_local = WP_CONTENT_DIR . '/upgrade/' . basename( $from ) . $distro; 1089 1090 $checksums = get_core_checksums( $wp_version, isset( $wp_local_package ) ? $wp_local_package : 'en_US' ); 1091 1092 if ( is_array( $checksums ) && isset( $checksums[ $wp_version ] ) ) { 1093 $checksums = $checksums[ $wp_version ]; // Compat code for 3.7-beta2. 1094 } 1095 1096 if ( is_array( $checksums ) ) { 1097 foreach ( $checksums as $file => $checksum ) { 1098 if ( 'wp-content' === substr( $file, 0, 10 ) ) { 1099 continue; 1100 } 1101 1102 if ( ! file_exists( ABSPATH . $file ) ) { 1103 continue; 1104 } 1105 1106 if ( ! file_exists( $working_dir_local . $file ) ) { 1107 continue; 1108 } 1109 1110 if ( '.' === dirname( $file ) 1111 && in_array( pathinfo( $file, PATHINFO_EXTENSION ), array( 'html', 'txt' ), true ) 1112 ) { 1113 continue; 1114 } 1115 1116 if ( md5_file( ABSPATH . $file ) === $checksum ) { 1117 $skip[] = $file; 1118 } else { 1119 $check_is_writable[ $file ] = ABSPATH . $file; 1120 } 1121 } 1122 } 1123 } 1124 1125 // If we're using the direct method, we can predict write failures that are due to permissions. 1126 if ( $check_is_writable && 'direct' === $wp_filesystem->method ) { 1127 $files_writable = array_filter( $check_is_writable, array( $wp_filesystem, 'is_writable' ) ); 1128 1129 if ( $files_writable !== $check_is_writable ) { 1130 $files_not_writable = array_diff_key( $check_is_writable, $files_writable ); 1131 1132 foreach ( $files_not_writable as $relative_file_not_writable => $file_not_writable ) { 1133 // If the writable check failed, chmod file to 0644 and try again, same as copy_dir(). 1134 $wp_filesystem->chmod( $file_not_writable, FS_CHMOD_FILE ); 1135 1136 if ( $wp_filesystem->is_writable( $file_not_writable ) ) { 1137 unset( $files_not_writable[ $relative_file_not_writable ] ); 1138 } 1139 } 1140 1141 // Store package-relative paths (the key) of non-writable files in the WP_Error object. 1142 $error_data = version_compare( $old_wp_version, '3.7-beta2', '>' ) ? array_keys( $files_not_writable ) : ''; 1143 1144 if ( $files_not_writable ) { 1145 return new WP_Error( 1146 'files_not_writable', 1147 __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ), 1148 implode( ', ', $error_data ) 1149 ); 1150 } 1151 } 1152 } 1153 1154 /** This filter is documented in wp-admin/includes/update-core.php */ 1155 apply_filters( 'update_feedback', __( 'Enabling Maintenance mode…' ) ); 1156 1157 // Create maintenance file to signal that we are upgrading. 1158 $maintenance_string = '<?php $upgrading = ' . time() . '; ?>'; 1159 $maintenance_file = $to . '.maintenance'; 1160 $wp_filesystem->delete( $maintenance_file ); 1161 $wp_filesystem->put_contents( $maintenance_file, $maintenance_string, FS_CHMOD_FILE ); 1162 1163 /** This filter is documented in wp-admin/includes/update-core.php */ 1164 apply_filters( 'update_feedback', __( 'Copying the required files…' ) ); 1165 1166 // Copy new versions of WP files into place. 1167 $result = _copy_dir( $from . $distro, $to, $skip ); 1168 1169 if ( is_wp_error( $result ) ) { 1170 $result = new WP_Error( 1171 $result->get_error_code(), 1172 $result->get_error_message(), 1173 substr( $result->get_error_data(), strlen( $to ) ) 1174 ); 1175 } 1176 1177 // Since we know the core files have copied over, we can now copy the version file. 1178 if ( ! is_wp_error( $result ) ) { 1179 if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $to . 'wp-includes/version.php', true /* overwrite */ ) ) { 1180 $wp_filesystem->delete( $from, true ); 1181 $result = new WP_Error( 1182 'copy_failed_for_version_file', 1183 __( 'The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.' ), 1184 'wp-includes/version.php' 1185 ); 1186 } 1187 1188 $wp_filesystem->chmod( $to . 'wp-includes/version.php', FS_CHMOD_FILE ); 1189 1190 /* 1191 * `wp_opcache_invalidate()` only exists in WordPress 5.5 or later, 1192 * so don't run it when upgrading from older versions. 1193 */ 1194 if ( function_exists( 'wp_opcache_invalidate' ) ) { 1195 wp_opcache_invalidate( $to . 'wp-includes/version.php' ); 1196 } 1197 } 1198 1199 // Check to make sure everything copied correctly, ignoring the contents of wp-content. 1200 $skip = array( 'wp-content' ); 1201 $failed = array(); 1202 1203 if ( isset( $checksums ) && is_array( $checksums ) ) { 1204 foreach ( $checksums as $file => $checksum ) { 1205 if ( 'wp-content' === substr( $file, 0, 10 ) ) { 1206 continue; 1207 } 1208 1209 if ( ! file_exists( $working_dir_local . $file ) ) { 1210 continue; 1211 } 1212 1213 if ( '.' === dirname( $file ) 1214 && in_array( pathinfo( $file, PATHINFO_EXTENSION ), array( 'html', 'txt' ), true ) 1215 ) { 1216 $skip[] = $file; 1217 continue; 1218 } 1219 1220 if ( file_exists( ABSPATH . $file ) && md5_file( ABSPATH . $file ) === $checksum ) { 1221 $skip[] = $file; 1222 } else { 1223 $failed[] = $file; 1224 } 1225 } 1226 } 1227 1228 // Some files didn't copy properly. 1229 if ( ! empty( $failed ) ) { 1230 $total_size = 0; 1231 1232 foreach ( $failed as $file ) { 1233 if ( file_exists( $working_dir_local . $file ) ) { 1234 $total_size += filesize( $working_dir_local . $file ); 1235 } 1236 } 1237 1238 // If we don't have enough free space, it isn't worth trying again. 1239 // Unlikely to be hit due to the check in unzip_file(). 1240 $available_space = @disk_free_space( ABSPATH ); 1241 1242 if ( $available_space && $total_size >= $available_space ) { 1243 $result = new WP_Error( 'disk_full', __( 'There is not enough free disk space to complete the update.' ) ); 1244 } else { 1245 $result = _copy_dir( $from . $distro, $to, $skip ); 1246 1247 if ( is_wp_error( $result ) ) { 1248 $result = new WP_Error( 1249 $result->get_error_code() . '_retry', 1250 $result->get_error_message(), 1251 substr( $result->get_error_data(), strlen( $to ) ) 1252 ); 1253 } 1254 } 1255 } 1256 1257 // Custom content directory needs updating now. 1258 // Copy languages. 1259 if ( ! is_wp_error( $result ) && $wp_filesystem->is_dir( $from . $distro . 'wp-content/languages' ) ) { 1260 if ( WP_LANG_DIR !== ABSPATH . WPINC . '/languages' || @is_dir( WP_LANG_DIR ) ) { 1261 $lang_dir = WP_LANG_DIR; 1262 } else { 1263 $lang_dir = WP_CONTENT_DIR . '/languages'; 1264 } 1265 1266 // Check if the language directory exists first. 1267 if ( ! @is_dir( $lang_dir ) && 0 === strpos( $lang_dir, ABSPATH ) ) { 1268 // If it's within the ABSPATH we can handle it here, otherwise they're out of luck. 1269 $wp_filesystem->mkdir( $to . str_replace( ABSPATH, '', $lang_dir ), FS_CHMOD_DIR ); 1270 clearstatcache(); // For FTP, need to clear the stat cache. 1271 } 1272 1273 if ( @is_dir( $lang_dir ) ) { 1274 $wp_lang_dir = $wp_filesystem->find_folder( $lang_dir ); 1275 1276 if ( $wp_lang_dir ) { 1277 $result = copy_dir( $from . $distro . 'wp-content/languages/', $wp_lang_dir ); 1278 1279 if ( is_wp_error( $result ) ) { 1280 $result = new WP_Error( 1281 $result->get_error_code() . '_languages', 1282 $result->get_error_message(), 1283 substr( $result->get_error_data(), strlen( $wp_lang_dir ) ) 1284 ); 1285 } 1286 } 1287 } 1288 } 1289 1290 /** This filter is documented in wp-admin/includes/update-core.php */ 1291 apply_filters( 'update_feedback', __( 'Disabling Maintenance mode…' ) ); 1292 1293 // Remove maintenance file, we're done with potential site-breaking changes. 1294 $wp_filesystem->delete( $maintenance_file ); 1295 1296 // 3.5 -> 3.5+ - an empty twentytwelve directory was created upon upgrade to 3.5 for some users, 1297 // preventing installation of Twenty Twelve. 1298 if ( '3.5' === $old_wp_version ) { 1299 if ( is_dir( WP_CONTENT_DIR . '/themes/twentytwelve' ) 1300 && ! file_exists( WP_CONTENT_DIR . '/themes/twentytwelve/style.css' ) 1301 ) { 1302 $wp_filesystem->delete( $wp_filesystem->wp_themes_dir() . 'twentytwelve/' ); 1303 } 1304 } 1305 1306 /* 1307 * Copy new bundled plugins & themes. 1308 * This gives us the ability to install new plugins & themes bundled with 1309 * future versions of WordPress whilst avoiding the re-install upon upgrade issue. 1310 * $development_build controls us overwriting bundled themes and plugins when a non-stable release is being updated. 1311 */ 1312 if ( ! is_wp_error( $result ) 1313 && ( ! defined( 'CORE_UPGRADE_SKIP_NEW_BUNDLED' ) || ! CORE_UPGRADE_SKIP_NEW_BUNDLED ) 1314 ) { 1315 foreach ( (array) $_new_bundled_files as $file => $introduced_version ) { 1316 // If a $development_build or if $introduced version is greater than what the site was previously running. 1317 if ( $development_build || version_compare( $introduced_version, $old_wp_version, '>' ) ) { 1318 $directory = ( '/' === $file[ strlen( $file ) - 1 ] ); 1319 1320 list( $type, $filename ) = explode( '/', $file, 2 ); 1321 1322 // Check to see if the bundled items exist before attempting to copy them. 1323 if ( ! $wp_filesystem->exists( $from . $distro . 'wp-content/' . $file ) ) { 1324 continue; 1325 } 1326 1327 if ( 'plugins' === $type ) { 1328 $dest = $wp_filesystem->wp_plugins_dir(); 1329 } elseif ( 'themes' === $type ) { 1330 // Back-compat, ::wp_themes_dir() did not return trailingslash'd pre-3.2. 1331 $dest = trailingslashit( $wp_filesystem->wp_themes_dir() ); 1332 } else { 1333 continue; 1334 } 1335 1336 if ( ! $directory ) { 1337 if ( ! $development_build && $wp_filesystem->exists( $dest . $filename ) ) { 1338 continue; 1339 } 1340 1341 if ( ! $wp_filesystem->copy( $from . $distro . 'wp-content/' . $file, $dest . $filename, FS_CHMOD_FILE ) ) { 1342 $result = new WP_Error( "copy_failed_for_new_bundled_$type", __( 'Could not copy file.' ), $dest . $filename ); 1343 } 1344 } else { 1345 if ( ! $development_build && $wp_filesystem->is_dir( $dest . $filename ) ) { 1346 continue; 1347 } 1348 1349 $wp_filesystem->mkdir( $dest . $filename, FS_CHMOD_DIR ); 1350 $_result = copy_dir( $from . $distro . 'wp-content/' . $file, $dest . $filename ); 1351 1352 // If a error occurs partway through this final step, keep the error flowing through, but keep process going. 1353 if ( is_wp_error( $_result ) ) { 1354 if ( ! is_wp_error( $result ) ) { 1355 $result = new WP_Error; 1356 } 1357 1358 $result->add( 1359 $_result->get_error_code() . "_$type", 1360 $_result->get_error_message(), 1361 substr( $_result->get_error_data(), strlen( $dest ) ) 1362 ); 1363 } 1364 } 1365 } 1366 } // End foreach. 1367 } 1368 1369 // Handle $result error from the above blocks. 1370 if ( is_wp_error( $result ) ) { 1371 $wp_filesystem->delete( $from, true ); 1372 1373 return $result; 1374 } 1375 1376 // Remove old files. 1377 foreach ( $_old_files as $old_file ) { 1378 $old_file = $to . $old_file; 1379 1380 if ( ! $wp_filesystem->exists( $old_file ) ) { 1381 continue; 1382 } 1383 1384 // If the file isn't deleted, try writing an empty string to the file instead. 1385 if ( ! $wp_filesystem->delete( $old_file, true ) && $wp_filesystem->is_file( $old_file ) ) { 1386 $wp_filesystem->put_contents( $old_file, '' ); 1387 } 1388 } 1389 1390 // Remove any Genericons example.html's from the filesystem. 1391 _upgrade_422_remove_genericons(); 1392 1393 // Deactivate the REST API plugin if its version is 2.0 Beta 4 or lower. 1394 _upgrade_440_force_deactivate_incompatible_plugins(); 1395 1396 // Deactivate the Gutenberg plugin if its version is 10.7 or lower. 1397 _upgrade_580_force_deactivate_incompatible_plugins(); 1398 1399 // Upgrade DB with separate request. 1400 /** This filter is documented in wp-admin/includes/update-core.php */ 1401 apply_filters( 'update_feedback', __( 'Upgrading database…' ) ); 1402 1403 $db_upgrade_url = admin_url( 'upgrade.php?step=upgrade_db' ); 1404 wp_remote_post( $db_upgrade_url, array( 'timeout' => 60 ) ); 1405 1406 // Clear the cache to prevent an update_option() from saving a stale db_version to the cache. 1407 wp_cache_flush(); 1408 // Not all cache back ends listen to 'flush'. 1409 wp_cache_delete( 'alloptions', 'options' ); 1410 1411 // Remove working directory. 1412 $wp_filesystem->delete( $from, true ); 1413 1414 // Force refresh of update information. 1415 if ( function_exists( 'delete_site_transient' ) ) { 1416 delete_site_transient( 'update_core' ); 1417 } else { 1418 delete_option( 'update_core' ); 1419 } 1420 1421 /** 1422 * Fires after WordPress core has been successfully updated. 1423 * 1424 * @since 3.3.0 1425 * 1426 * @param string $wp_version The current WordPress version. 1427 */ 1428 do_action( '_core_updated_successfully', $wp_version ); 1429 1430 // Clear the option that blocks auto-updates after failures, now that we've been successful. 1431 if ( function_exists( 'delete_site_option' ) ) { 1432 delete_site_option( 'auto_core_update_failed' ); 1433 } 1434 1435 return $wp_version; 1436 } 1437 1438 /** 1439 * Copies a directory from one location to another via the WordPress Filesystem Abstraction. 1440 * 1441 * Assumes that WP_Filesystem() has already been called and setup. 1442 * 1443 * This is a standalone copy of the `copy_dir()` function that is used to 1444 * upgrade the core files. It is placed here so that the version of this 1445 * function from the *new* WordPress version will be called. 1446 * 1447 * It was initially added for the 3.1 -> 3.2 upgrade. 1448 * 1449 * @ignore 1450 * @since 3.2.0 1451 * @since 3.7.0 Updated not to use a regular expression for the skip list. 1452 * 1453 * @see copy_dir() 1454 * @link https://core.trac.wordpress.org/ticket/17173 1455 * 1456 * @global WP_Filesystem_Base $wp_filesystem 1457 * 1458 * @param string $from Source directory. 1459 * @param string $to Destination directory. 1460 * @param string[] $skip_list Array of files/folders to skip copying. 1461 * @return true|WP_Error True on success, WP_Error on failure. 1462 */ 1463 function _copy_dir( $from, $to, $skip_list = array() ) { 1464 global $wp_filesystem; 1465 1466 $dirlist = $wp_filesystem->dirlist( $from ); 1467 1468 if ( false === $dirlist ) { 1469 return new WP_Error( 'dirlist_failed__copy_dir', __( 'Directory listing failed.' ), basename( $to ) ); 1470 } 1471 1472 $from = trailingslashit( $from ); 1473 $to = trailingslashit( $to ); 1474 1475 foreach ( (array) $dirlist as $filename => $fileinfo ) { 1476 if ( in_array( $filename, $skip_list, true ) ) { 1477 continue; 1478 } 1479 1480 if ( 'f' === $fileinfo['type'] ) { 1481 if ( ! $wp_filesystem->copy( $from . $filename, $to . $filename, true, FS_CHMOD_FILE ) ) { 1482 // If copy failed, chmod file to 0644 and try again. 1483 $wp_filesystem->chmod( $to . $filename, FS_CHMOD_FILE ); 1484 1485 if ( ! $wp_filesystem->copy( $from . $filename, $to . $filename, true, FS_CHMOD_FILE ) ) { 1486 return new WP_Error( 'copy_failed__copy_dir', __( 'Could not copy file.' ), $to . $filename ); 1487 } 1488 } 1489 1490 /* 1491 * `wp_opcache_invalidate()` only exists in WordPress 5.5 or later, 1492 * so don't run it when upgrading from older versions. 1493 */ 1494 if ( function_exists( 'wp_opcache_invalidate' ) ) { 1495 wp_opcache_invalidate( $to . $filename ); 1496 } 1497 } elseif ( 'd' === $fileinfo['type'] ) { 1498 if ( ! $wp_filesystem->is_dir( $to . $filename ) ) { 1499 if ( ! $wp_filesystem->mkdir( $to . $filename, FS_CHMOD_DIR ) ) { 1500 return new WP_Error( 'mkdir_failed__copy_dir', __( 'Could not create directory.' ), $to . $filename ); 1501 } 1502 } 1503 1504 /* 1505 * Generate the $sub_skip_list for the subdirectory as a sub-set 1506 * of the existing $skip_list. 1507 */ 1508 $sub_skip_list = array(); 1509 1510 foreach ( $skip_list as $skip_item ) { 1511 if ( 0 === strpos( $skip_item, $filename . '/' ) ) { 1512 $sub_skip_list[] = preg_replace( '!^' . preg_quote( $filename, '!' ) . '/!i', '', $skip_item ); 1513 } 1514 } 1515 1516 $result = _copy_dir( $from . $filename, $to . $filename, $sub_skip_list ); 1517 1518 if ( is_wp_error( $result ) ) { 1519 return $result; 1520 } 1521 } 1522 } 1523 1524 return true; 1525 } 1526 1527 /** 1528 * Redirect to the About WordPress page after a successful upgrade. 1529 * 1530 * This function is only needed when the existing installation is older than 3.4.0. 1531 * 1532 * @since 3.3.0 1533 * 1534 * @global string $wp_version The WordPress version string. 1535 * @global string $pagenow 1536 * @global string $action 1537 * 1538 * @param string $new_version 1539 */ 1540 function _redirect_to_about_wordpress( $new_version ) { 1541 global $wp_version, $pagenow, $action; 1542 1543 if ( version_compare( $wp_version, '3.4-RC1', '>=' ) ) { 1544 return; 1545 } 1546 1547 // Ensure we only run this on the update-core.php page. The Core_Upgrader may be used in other contexts. 1548 if ( 'update-core.php' !== $pagenow ) { 1549 return; 1550 } 1551 1552 if ( 'do-core-upgrade' !== $action && 'do-core-reinstall' !== $action ) { 1553 return; 1554 } 1555 1556 // Load the updated default text localization domain for new strings. 1557 load_default_textdomain(); 1558 1559 // See do_core_upgrade(). 1560 show_message( __( 'WordPress updated successfully.' ) ); 1561 1562 // self_admin_url() won't exist when upgrading from <= 3.0, so relative URLs are intentional. 1563 show_message( 1564 '<span class="hide-if-no-js">' . sprintf( 1565 /* translators: 1: WordPress version, 2: URL to About screen. */ 1566 __( 'Welcome to WordPress %1$s. You will be redirected to the About WordPress screen. If not, click <a href="%2$s">here</a>.' ), 1567 $new_version, 1568 'about.php?updated' 1569 ) . '</span>' 1570 ); 1571 show_message( 1572 '<span class="hide-if-js">' . sprintf( 1573 /* translators: 1: WordPress version, 2: URL to About screen. */ 1574 __( 'Welcome to WordPress %1$s. <a href="%2$s">Learn more</a>.' ), 1575 $new_version, 1576 'about.php?updated' 1577 ) . '</span>' 1578 ); 1579 echo '</div>'; 1580 ?> 1581 <script type="text/javascript"> 1582 window.location = 'about.php?updated'; 1583 </script> 1584 <?php 1585 1586 // Include admin-footer.php and exit. 1587 require_once ABSPATH . 'wp-admin/admin-footer.php'; 1588 exit; 1589 } 1590 1591 /** 1592 * Cleans up Genericons example files. 1593 * 1594 * @since 4.2.2 1595 * 1596 * @global array $wp_theme_directories 1597 * @global WP_Filesystem_Base $wp_filesystem 1598 */ 1599 function _upgrade_422_remove_genericons() { 1600 global $wp_theme_directories, $wp_filesystem; 1601 1602 // A list of the affected files using the filesystem absolute paths. 1603 $affected_files = array(); 1604 1605 // Themes. 1606 foreach ( $wp_theme_directories as $directory ) { 1607 $affected_theme_files = _upgrade_422_find_genericons_files_in_folder( $directory ); 1608 $affected_files = array_merge( $affected_files, $affected_theme_files ); 1609 } 1610 1611 // Plugins. 1612 $affected_plugin_files = _upgrade_422_find_genericons_files_in_folder( WP_PLUGIN_DIR ); 1613 $affected_files = array_merge( $affected_files, $affected_plugin_files ); 1614 1615 foreach ( $affected_files as $file ) { 1616 $gen_dir = $wp_filesystem->find_folder( trailingslashit( dirname( $file ) ) ); 1617 1618 if ( empty( $gen_dir ) ) { 1619 continue; 1620 } 1621 1622 // The path when the file is accessed via WP_Filesystem may differ in the case of FTP. 1623 $remote_file = $gen_dir . basename( $file ); 1624 1625 if ( ! $wp_filesystem->exists( $remote_file ) ) { 1626 continue; 1627 } 1628 1629 if ( ! $wp_filesystem->delete( $remote_file, false, 'f' ) ) { 1630 $wp_filesystem->put_contents( $remote_file, '' ); 1631 } 1632 } 1633 } 1634 1635 /** 1636 * Recursively find Genericons example files in a given folder. 1637 * 1638 * @ignore 1639 * @since 4.2.2 1640 * 1641 * @param string $directory Directory path. Expects trailingslashed. 1642 * @return array 1643 */ 1644 function _upgrade_422_find_genericons_files_in_folder( $directory ) { 1645 $directory = trailingslashit( $directory ); 1646 $files = array(); 1647 1648 if ( file_exists( "{$directory}example.html" ) 1649 && false !== strpos( file_get_contents( "{$directory}example.html" ), '<title>Genericons</title>' ) 1650 ) { 1651 $files[] = "{$directory}example.html"; 1652 } 1653 1654 $dirs = glob( $directory . '*', GLOB_ONLYDIR ); 1655 1656 if ( $dirs ) { 1657 foreach ( $dirs as $dir ) { 1658 $files = array_merge( $files, _upgrade_422_find_genericons_files_in_folder( $dir ) ); 1659 } 1660 } 1661 1662 return $files; 1663 } 1664 1665 /** 1666 * @ignore 1667 * @since 4.4.0 1668 */ 1669 function _upgrade_440_force_deactivate_incompatible_plugins() { 1670 if ( defined( 'REST_API_VERSION' ) && version_compare( REST_API_VERSION, '2.0-beta4', '<=' ) ) { 1671 deactivate_plugins( array( 'rest-api/plugin.php' ), true ); 1672 } 1673 } 1674 1675 /** 1676 * @ignore 1677 * @since 5.8.0 1678 */ 1679 function _upgrade_580_force_deactivate_incompatible_plugins() { 1680 if ( defined( 'GUTENBERG_VERSION' ) && version_compare( GUTENBERG_VERSION, '10.7', '<=' ) ) { 1681 $deactivated_gutenberg['gutenberg'] = array( 1682 'plugin_name' => 'Gutenberg', 1683 'version_deactivated' => GUTENBERG_VERSION, 1684 'version_compatible' => '10.8', 1685 ); 1686 if ( is_plugin_active_for_network( 'gutenberg/gutenberg.php' ) ) { 1687 $deactivated_plugins = get_site_option( 'wp_force_deactivated_plugins', array() ); 1688 $deactivated_plugins = array_merge( $deactivated_plugins, $deactivated_gutenberg ); 1689 update_site_option( 'wp_force_deactivated_plugins', $deactivated_plugins ); 1690 } else { 1691 $deactivated_plugins = get_option( 'wp_force_deactivated_plugins', array() ); 1692 $deactivated_plugins = array_merge( $deactivated_plugins, $deactivated_gutenberg ); 1693 update_option( 'wp_force_deactivated_plugins', $deactivated_plugins ); 1694 } 1695 deactivate_plugins( array( 'gutenberg/gutenberg.php' ), true ); 1696 } 1697 }
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| Generated : Sat Jul 24 08:20:02 2021 | Cross-referenced by PHPXref |