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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 * Note: Newly introduced functions and methods cannot be used here. 6 * All functions must be present in the previous version being upgraded from 7 * as this file is used there too. 8 * 9 * @package WordPress 10 * @subpackage Administration 11 * @since 2.7.0 12 */ 13 14 /** 15 * Stores files to be deleted. 16 * 17 * Bundled theme files should not be included in this list. 18 * 19 * @since 2.7.0 20 * 21 * @global string[] $_old_files 22 * @var string[] 23 * @name $_old_files 24 */ 25 global $_old_files; 26 27 $_old_files = array( 28 // 2.0 29 'wp-admin/import-b2.php', 30 'wp-admin/import-blogger.php', 31 'wp-admin/import-greymatter.php', 32 'wp-admin/import-livejournal.php', 33 'wp-admin/import-mt.php', 34 'wp-admin/import-rss.php', 35 'wp-admin/import-textpattern.php', 36 'wp-admin/quicktags.js', 37 'wp-images/fade-butt.png', 38 'wp-images/get-firefox.png', 39 'wp-images/header-shadow.png', 40 'wp-images/smilies', 41 'wp-images/wp-small.png', 42 'wp-images/wpminilogo.png', 43 'wp.php', 44 // 2.1 45 'wp-admin/edit-form-ajax-cat.php', 46 'wp-admin/execute-pings.php', 47 'wp-admin/inline-uploading.php', 48 'wp-admin/link-categories.php', 49 'wp-admin/list-manipulation.js', 50 'wp-admin/list-manipulation.php', 51 'wp-includes/comment-functions.php', 52 'wp-includes/feed-functions.php', 53 'wp-includes/functions-compat.php', 54 'wp-includes/functions-formatting.php', 55 'wp-includes/functions-post.php', 56 'wp-includes/js/dbx-key.js', 57 'wp-includes/links.php', 58 'wp-includes/pluggable-functions.php', 59 'wp-includes/template-functions-author.php', 60 'wp-includes/template-functions-category.php', 61 'wp-includes/template-functions-general.php', 62 'wp-includes/template-functions-links.php', 63 'wp-includes/template-functions-post.php', 64 'wp-includes/wp-l10n.php', 65 // 2.2 66 'wp-admin/cat-js.php', 67 'wp-includes/js/autosave-js.php', 68 'wp-includes/js/list-manipulation-js.php', 69 'wp-includes/js/wp-ajax-js.php', 70 // 2.3 71 'wp-admin/admin-db.php', 72 'wp-admin/cat.js', 73 'wp-admin/categories.js', 74 'wp-admin/custom-fields.js', 75 'wp-admin/dbx-admin-key.js', 76 'wp-admin/edit-comments.js', 77 'wp-admin/install-rtl.css', 78 'wp-admin/install.css', 79 'wp-admin/upgrade-schema.php', 80 'wp-admin/upload-functions.php', 81 'wp-admin/upload-rtl.css', 82 'wp-admin/upload.css', 83 'wp-admin/upload.js', 84 'wp-admin/users.js', 85 'wp-admin/widgets-rtl.css', 86 'wp-admin/widgets.css', 87 'wp-admin/xfn.js', 88 'wp-includes/js/tinymce/license.html', 89 // 2.5 90 'wp-admin/css/upload.css', 91 'wp-admin/images/box-bg-left.gif', 92 'wp-admin/images/box-bg-right.gif', 93 'wp-admin/images/box-bg.gif', 94 'wp-admin/images/box-butt-left.gif', 95 'wp-admin/images/box-butt-right.gif', 96 'wp-admin/images/box-butt.gif', 97 'wp-admin/images/box-head-left.gif', 98 'wp-admin/images/box-head-right.gif', 99 'wp-admin/images/box-head.gif', 100 'wp-admin/images/heading-bg.gif', 101 'wp-admin/images/login-bkg-bottom.gif', 102 'wp-admin/images/login-bkg-tile.gif', 103 'wp-admin/images/notice.gif', 104 'wp-admin/images/toggle.gif', 105 'wp-admin/includes/upload.php', 106 'wp-admin/js/dbx-admin-key.js', 107 'wp-admin/js/link-cat.js', 108 'wp-admin/profile-update.php', 109 'wp-admin/templates.php', 110 'wp-includes/js/dbx.js', 111 'wp-includes/js/fat.js', 112 'wp-includes/js/list-manipulation.js', 113 'wp-includes/js/tinymce/langs/en.js', 114 'wp-includes/js/tinymce/plugins/directionality/images', 115 'wp-includes/js/tinymce/plugins/directionality/langs', 116 'wp-includes/js/tinymce/plugins/paste/images', 117 'wp-includes/js/tinymce/plugins/paste/jscripts', 118 'wp-includes/js/tinymce/plugins/paste/langs', 119 'wp-includes/js/tinymce/plugins/wordpress/images', 120 'wp-includes/js/tinymce/plugins/wordpress/langs', 121 'wp-includes/js/tinymce/plugins/wordpress/wordpress.css', 122 'wp-includes/js/tinymce/plugins/wphelp', 123 // 2.5.1 124 'wp-includes/js/tinymce/tiny_mce_gzip.php', 125 // 2.6 126 'wp-admin/bookmarklet.php', 127 'wp-includes/js/jquery/jquery.dimensions.min.js', 128 'wp-includes/js/tinymce/plugins/wordpress/popups.css', 129 'wp-includes/js/wp-ajax.js', 130 // 2.7 131 'wp-admin/css/press-this-ie-rtl.css', 132 'wp-admin/css/press-this-ie.css', 133 'wp-admin/css/upload-rtl.css', 134 'wp-admin/edit-form.php', 135 'wp-admin/images/comment-pill.gif', 136 'wp-admin/images/comment-stalk-classic.gif', 137 'wp-admin/images/comment-stalk-fresh.gif', 138 'wp-admin/images/comment-stalk-rtl.gif', 139 'wp-admin/images/del.png', 140 'wp-admin/images/gear.png', 141 'wp-admin/images/media-button-gallery.gif', 142 'wp-admin/images/media-buttons.gif', 143 'wp-admin/images/postbox-bg.gif', 144 'wp-admin/images/tab.png', 145 'wp-admin/images/tail.gif', 146 'wp-admin/js/forms.js', 147 'wp-admin/js/upload.js', 148 'wp-admin/link-import.php', 149 'wp-includes/images/audio.png', 150 'wp-includes/images/css.png', 151 'wp-includes/images/default.png', 152 'wp-includes/images/doc.png', 153 'wp-includes/images/exe.png', 154 'wp-includes/images/html.png', 155 'wp-includes/images/js.png', 156 'wp-includes/images/pdf.png', 157 'wp-includes/images/swf.png', 158 'wp-includes/images/tar.png', 159 'wp-includes/images/text.png', 160 'wp-includes/images/video.png', 161 'wp-includes/images/zip.png', 162 'wp-includes/js/tinymce/tiny_mce_config.php', 163 'wp-includes/js/tinymce/tiny_mce_ext.js', 164 // 2.8 165 'wp-admin/js/users.js', 166 'wp-includes/js/swfupload/swfupload_f9.swf', 167 'wp-includes/js/tinymce/plugins/autosave', 168 'wp-includes/js/tinymce/plugins/paste/css', 169 'wp-includes/js/tinymce/utils/mclayer.js', 170 'wp-includes/js/tinymce/wordpress.css', 171 // 2.9 172 'wp-admin/js/page.dev.js', 173 'wp-admin/js/page.js', 174 'wp-admin/js/set-post-thumbnail-handler.dev.js', 175 'wp-admin/js/set-post-thumbnail-handler.js', 176 'wp-admin/js/slug.dev.js', 177 'wp-admin/js/slug.js', 178 'wp-includes/gettext.php', 179 'wp-includes/js/tinymce/plugins/wordpress/js', 180 'wp-includes/streams.php', 181 // MU 182 'README.txt', 183 'htaccess.dist', 184 'index-install.php', 185 'wp-admin/css/mu-rtl.css', 186 'wp-admin/css/mu.css', 187 'wp-admin/images/site-admin.png', 188 'wp-admin/includes/mu.php', 189 'wp-admin/wpmu-admin.php', 190 'wp-admin/wpmu-blogs.php', 191 'wp-admin/wpmu-edit.php', 192 'wp-admin/wpmu-options.php', 193 'wp-admin/wpmu-themes.php', 194 'wp-admin/wpmu-upgrade-site.php', 195 'wp-admin/wpmu-users.php', 196 'wp-includes/images/wordpress-mu.png', 197 'wp-includes/wpmu-default-filters.php', 198 'wp-includes/wpmu-functions.php', 199 'wpmu-settings.php', 200 // 3.0 201 'wp-admin/categories.php', 202 'wp-admin/edit-category-form.php', 203 'wp-admin/edit-page-form.php', 204 'wp-admin/edit-pages.php', 205 'wp-admin/images/admin-header-footer.png', 206 'wp-admin/images/browse-happy.gif', 207 'wp-admin/images/ico-add.png', 208 'wp-admin/images/ico-close.png', 209 'wp-admin/images/ico-edit.png', 210 'wp-admin/images/ico-viewpage.png', 211 'wp-admin/images/fav-top.png', 212 'wp-admin/images/screen-options-left.gif', 213 'wp-admin/images/wp-logo-vs.gif', 214 'wp-admin/images/wp-logo.gif', 215 'wp-admin/import', 216 'wp-admin/js/wp-gears.dev.js', 217 'wp-admin/js/wp-gears.js', 218 'wp-admin/options-misc.php', 219 'wp-admin/page-new.php', 220 'wp-admin/page.php', 221 'wp-admin/rtl.css', 222 'wp-admin/rtl.dev.css', 223 'wp-admin/update-links.php', 224 'wp-admin/wp-admin.css', 225 'wp-admin/wp-admin.dev.css', 226 'wp-includes/js/codepress', 227 'wp-includes/js/jquery/autocomplete.dev.js', 228 'wp-includes/js/jquery/autocomplete.js', 229 'wp-includes/js/jquery/interface.js', 230 // Following file added back in 5.1, see #45645. 231 //'wp-includes/js/tinymce/wp-tinymce.js', 232 // 3.1 233 'wp-admin/edit-attachment-rows.php', 234 'wp-admin/edit-link-categories.php', 235 'wp-admin/edit-link-category-form.php', 236 'wp-admin/edit-post-rows.php', 237 'wp-admin/images/button-grad-active-vs.png', 238 'wp-admin/images/button-grad-vs.png', 239 'wp-admin/images/fav-arrow-vs-rtl.gif', 240 'wp-admin/images/fav-arrow-vs.gif', 241 'wp-admin/images/fav-top-vs.gif', 242 'wp-admin/images/list-vs.png', 243 'wp-admin/images/screen-options-right-up.gif', 244 'wp-admin/images/screen-options-right.gif', 245 'wp-admin/images/visit-site-button-grad-vs.gif', 246 'wp-admin/images/visit-site-button-grad.gif', 247 'wp-admin/link-category.php', 248 'wp-admin/sidebar.php', 249 'wp-includes/classes.php', 250 'wp-includes/js/tinymce/blank.htm', 251 'wp-includes/js/tinymce/plugins/media/img', 252 'wp-includes/js/tinymce/plugins/safari', 253 // 3.2 254 'wp-admin/images/logo-login.gif', 255 'wp-admin/images/star.gif', 256 'wp-admin/js/list-table.dev.js', 257 'wp-admin/js/list-table.js', 258 'wp-includes/default-embeds.php', 259 // 3.3 260 'wp-admin/css/colors-classic-rtl.css', 261 'wp-admin/css/colors-classic-rtl.dev.css', 262 'wp-admin/css/colors-fresh-rtl.css', 263 'wp-admin/css/colors-fresh-rtl.dev.css', 264 'wp-admin/css/dashboard-rtl.dev.css', 265 'wp-admin/css/dashboard.dev.css', 266 'wp-admin/css/global-rtl.css', 267 'wp-admin/css/global-rtl.dev.css', 268 'wp-admin/css/global.css', 269 'wp-admin/css/global.dev.css', 270 'wp-admin/css/install-rtl.dev.css', 271 'wp-admin/css/login-rtl.dev.css', 272 'wp-admin/css/login.dev.css', 273 'wp-admin/css/ms.css', 274 'wp-admin/css/ms.dev.css', 275 'wp-admin/css/nav-menu-rtl.css', 276 'wp-admin/css/nav-menu-rtl.dev.css', 277 'wp-admin/css/nav-menu.css', 278 'wp-admin/css/nav-menu.dev.css', 279 'wp-admin/css/plugin-install-rtl.css', 280 'wp-admin/css/plugin-install-rtl.dev.css', 281 'wp-admin/css/plugin-install.css', 282 'wp-admin/css/plugin-install.dev.css', 283 'wp-admin/css/press-this-rtl.dev.css', 284 'wp-admin/css/press-this.dev.css', 285 'wp-admin/css/theme-editor-rtl.css', 286 'wp-admin/css/theme-editor-rtl.dev.css', 287 'wp-admin/css/theme-editor.css', 288 'wp-admin/css/theme-editor.dev.css', 289 'wp-admin/css/theme-install-rtl.css', 290 'wp-admin/css/theme-install-rtl.dev.css', 291 'wp-admin/css/theme-install.css', 292 'wp-admin/css/theme-install.dev.css', 293 'wp-admin/css/widgets-rtl.dev.css', 294 'wp-admin/css/widgets.dev.css', 295 'wp-admin/includes/internal-linking.php', 296 'wp-includes/images/admin-bar-sprite-rtl.png', 297 'wp-includes/js/jquery/ui.button.js', 298 'wp-includes/js/jquery/ui.core.js', 299 'wp-includes/js/jquery/ui.dialog.js', 300 'wp-includes/js/jquery/ui.draggable.js', 301 'wp-includes/js/jquery/ui.droppable.js', 302 'wp-includes/js/jquery/ui.mouse.js', 303 'wp-includes/js/jquery/ui.position.js', 304 'wp-includes/js/jquery/ui.resizable.js', 305 'wp-includes/js/jquery/ui.selectable.js', 306 'wp-includes/js/jquery/ui.sortable.js', 307 'wp-includes/js/jquery/ui.tabs.js', 308 'wp-includes/js/jquery/ui.widget.js', 309 'wp-includes/js/l10n.dev.js', 310 'wp-includes/js/l10n.js', 311 'wp-includes/js/tinymce/plugins/wplink/css', 312 'wp-includes/js/tinymce/plugins/wplink/img', 313 'wp-includes/js/tinymce/plugins/wplink/js', 314 // Don't delete, yet: 'wp-rss.php', 315 // Don't delete, yet: 'wp-rdf.php', 316 // Don't delete, yet: 'wp-rss2.php', 317 // Don't delete, yet: 'wp-commentsrss2.php', 318 // Don't delete, yet: 'wp-atom.php', 319 // Don't delete, yet: 'wp-feed.php', 320 // 3.4 321 'wp-admin/images/gray-star.png', 322 'wp-admin/images/logo-login.png', 323 'wp-admin/images/star.png', 324 'wp-admin/index-extra.php', 325 'wp-admin/network/index-extra.php', 326 'wp-admin/user/index-extra.php', 327 'wp-includes/css/editor-buttons.css', 328 'wp-includes/css/editor-buttons.dev.css', 329 'wp-includes/js/tinymce/plugins/paste/blank.htm', 330 'wp-includes/js/tinymce/plugins/wordpress/css', 331 'wp-includes/js/tinymce/plugins/wordpress/editor_plugin.dev.js', 332 'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin.dev.js', 333 'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin.dev.js', 334 'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.dev.js', 335 'wp-includes/js/tinymce/plugins/wplink/editor_plugin.dev.js', 336 // Don't delete, yet: 'wp-pass.php', 337 // Don't delete, yet: 'wp-register.php', 338 // 3.5 339 'wp-admin/gears-manifest.php', 340 'wp-admin/includes/manifest.php', 341 'wp-admin/images/archive-link.png', 342 'wp-admin/images/blue-grad.png', 343 'wp-admin/images/button-grad-active.png', 344 'wp-admin/images/button-grad.png', 345 'wp-admin/images/ed-bg-vs.gif', 346 'wp-admin/images/ed-bg.gif', 347 'wp-admin/images/fade-butt.png', 348 'wp-admin/images/fav-arrow-rtl.gif', 349 'wp-admin/images/fav-arrow.gif', 350 'wp-admin/images/fav-vs.png', 351 'wp-admin/images/fav.png', 352 'wp-admin/images/gray-grad.png', 353 'wp-admin/images/loading-publish.gif', 354 'wp-admin/images/logo-ghost.png', 355 'wp-admin/images/logo.gif', 356 'wp-admin/images/menu-arrow-frame-rtl.png', 357 'wp-admin/images/menu-arrow-frame.png', 358 'wp-admin/images/menu-arrows.gif', 359 'wp-admin/images/menu-bits-rtl-vs.gif', 360 'wp-admin/images/menu-bits-rtl.gif', 361 'wp-admin/images/menu-bits-vs.gif', 362 'wp-admin/images/menu-bits.gif', 363 'wp-admin/images/menu-dark-rtl-vs.gif', 364 'wp-admin/images/menu-dark-rtl.gif', 365 'wp-admin/images/menu-dark-vs.gif', 366 'wp-admin/images/menu-dark.gif', 367 'wp-admin/images/required.gif', 368 'wp-admin/images/screen-options-toggle-vs.gif', 369 'wp-admin/images/screen-options-toggle.gif', 370 'wp-admin/images/toggle-arrow-rtl.gif', 371 'wp-admin/images/toggle-arrow.gif', 372 'wp-admin/images/upload-classic.png', 373 'wp-admin/images/upload-fresh.png', 374 'wp-admin/images/white-grad-active.png', 375 'wp-admin/images/white-grad.png', 376 'wp-admin/images/widgets-arrow-vs.gif', 377 'wp-admin/images/widgets-arrow.gif', 378 'wp-admin/images/wpspin_dark.gif', 379 'wp-includes/images/upload.png', 380 'wp-includes/js/prototype.js', 381 'wp-includes/js/scriptaculous', 382 'wp-admin/css/wp-admin-rtl.dev.css', 383 'wp-admin/css/wp-admin.dev.css', 384 'wp-admin/css/media-rtl.dev.css', 385 'wp-admin/css/media.dev.css', 386 'wp-admin/css/colors-classic.dev.css', 387 'wp-admin/css/customize-controls-rtl.dev.css', 388 'wp-admin/css/customize-controls.dev.css', 389 'wp-admin/css/ie-rtl.dev.css', 390 'wp-admin/css/ie.dev.css', 391 'wp-admin/css/install.dev.css', 392 'wp-admin/css/colors-fresh.dev.css', 393 'wp-includes/js/customize-base.dev.js', 394 'wp-includes/js/json2.dev.js', 395 'wp-includes/js/comment-reply.dev.js', 396 'wp-includes/js/customize-preview.dev.js', 397 'wp-includes/js/wplink.dev.js', 398 'wp-includes/js/tw-sack.dev.js', 399 'wp-includes/js/wp-list-revisions.dev.js', 400 'wp-includes/js/autosave.dev.js', 401 'wp-includes/js/admin-bar.dev.js', 402 'wp-includes/js/quicktags.dev.js', 403 'wp-includes/js/wp-ajax-response.dev.js', 404 'wp-includes/js/wp-pointer.dev.js', 405 'wp-includes/js/hoverIntent.dev.js', 406 'wp-includes/js/colorpicker.dev.js', 407 'wp-includes/js/wp-lists.dev.js', 408 'wp-includes/js/customize-loader.dev.js', 409 'wp-includes/js/jquery/jquery.table-hotkeys.dev.js', 410 'wp-includes/js/jquery/jquery.color.dev.js', 411 'wp-includes/js/jquery/jquery.color.js', 412 'wp-includes/js/jquery/jquery.hotkeys.dev.js', 413 'wp-includes/js/jquery/jquery.form.dev.js', 414 'wp-includes/js/jquery/suggest.dev.js', 415 'wp-admin/js/xfn.dev.js', 416 'wp-admin/js/set-post-thumbnail.dev.js', 417 'wp-admin/js/comment.dev.js', 418 'wp-admin/js/theme.dev.js', 419 'wp-admin/js/cat.dev.js', 420 'wp-admin/js/password-strength-meter.dev.js', 421 'wp-admin/js/user-profile.dev.js', 422 'wp-admin/js/theme-preview.dev.js', 423 'wp-admin/js/post.dev.js', 424 'wp-admin/js/media-upload.dev.js', 425 'wp-admin/js/word-count.dev.js', 426 'wp-admin/js/plugin-install.dev.js', 427 'wp-admin/js/edit-comments.dev.js', 428 'wp-admin/js/media-gallery.dev.js', 429 'wp-admin/js/custom-fields.dev.js', 430 'wp-admin/js/custom-background.dev.js', 431 'wp-admin/js/common.dev.js', 432 'wp-admin/js/inline-edit-tax.dev.js', 433 'wp-admin/js/gallery.dev.js', 434 'wp-admin/js/utils.dev.js', 435 'wp-admin/js/widgets.dev.js', 436 'wp-admin/js/wp-fullscreen.dev.js', 437 'wp-admin/js/nav-menu.dev.js', 438 'wp-admin/js/dashboard.dev.js', 439 'wp-admin/js/link.dev.js', 440 'wp-admin/js/user-suggest.dev.js', 441 'wp-admin/js/postbox.dev.js', 442 'wp-admin/js/tags.dev.js', 443 'wp-admin/js/image-edit.dev.js', 444 'wp-admin/js/media.dev.js', 445 'wp-admin/js/customize-controls.dev.js', 446 'wp-admin/js/inline-edit-post.dev.js', 447 'wp-admin/js/categories.dev.js', 448 'wp-admin/js/editor.dev.js', 449 'wp-includes/js/plupload/handlers.dev.js', 450 'wp-includes/js/plupload/wp-plupload.dev.js', 451 'wp-includes/js/swfupload/handlers.dev.js', 452 'wp-includes/js/jcrop/jquery.Jcrop.dev.js', 453 'wp-includes/js/jcrop/jquery.Jcrop.js', 454 'wp-includes/js/jcrop/jquery.Jcrop.css', 455 'wp-includes/js/imgareaselect/jquery.imgareaselect.dev.js', 456 'wp-includes/css/wp-pointer.dev.css', 457 'wp-includes/css/editor.dev.css', 458 'wp-includes/css/jquery-ui-dialog.dev.css', 459 'wp-includes/css/admin-bar-rtl.dev.css', 460 'wp-includes/css/admin-bar.dev.css', 461 'wp-includes/js/jquery/ui/jquery.effects.clip.min.js', 462 'wp-includes/js/jquery/ui/jquery.effects.scale.min.js', 463 'wp-includes/js/jquery/ui/jquery.effects.blind.min.js', 464 'wp-includes/js/jquery/ui/jquery.effects.core.min.js', 465 'wp-includes/js/jquery/ui/jquery.effects.shake.min.js', 466 'wp-includes/js/jquery/ui/jquery.effects.fade.min.js', 467 'wp-includes/js/jquery/ui/jquery.effects.explode.min.js', 468 'wp-includes/js/jquery/ui/jquery.effects.slide.min.js', 469 'wp-includes/js/jquery/ui/jquery.effects.drop.min.js', 470 'wp-includes/js/jquery/ui/jquery.effects.highlight.min.js', 471 'wp-includes/js/jquery/ui/jquery.effects.bounce.min.js', 472 'wp-includes/js/jquery/ui/jquery.effects.pulsate.min.js', 473 'wp-includes/js/jquery/ui/jquery.effects.transfer.min.js', 474 'wp-includes/js/jquery/ui/jquery.effects.fold.min.js', 475 'wp-admin/js/utils.js', 476 // Added back in 5.3 [45448], see #43895. 477 // 'wp-admin/options-privacy.php', 478 'wp-app.php', 479 'wp-includes/class-wp-atom-server.php', 480 // 3.5.2 481 'wp-includes/js/swfupload/swfupload-all.js', 482 // 3.6 483 'wp-admin/js/revisions-js.php', 484 'wp-admin/images/screenshots', 485 'wp-admin/js/categories.js', 486 'wp-admin/js/categories.min.js', 487 'wp-admin/js/custom-fields.js', 488 'wp-admin/js/custom-fields.min.js', 489 // 3.7 490 'wp-admin/js/cat.js', 491 'wp-admin/js/cat.min.js', 492 // 3.8 493 'wp-includes/js/thickbox/tb-close-2x.png', 494 'wp-includes/js/thickbox/tb-close.png', 495 'wp-includes/images/wpmini-blue-2x.png', 496 'wp-includes/images/wpmini-blue.png', 497 'wp-admin/css/colors-fresh.css', 498 'wp-admin/css/colors-classic.css', 499 'wp-admin/css/colors-fresh.min.css', 500 'wp-admin/css/colors-classic.min.css', 501 'wp-admin/js/about.min.js', 502 'wp-admin/js/about.js', 503 'wp-admin/images/arrows-dark-vs-2x.png', 504 'wp-admin/images/wp-logo-vs.png', 505 'wp-admin/images/arrows-dark-vs.png', 506 'wp-admin/images/wp-logo.png', 507 'wp-admin/images/arrows-pr.png', 508 'wp-admin/images/arrows-dark.png', 509 'wp-admin/images/press-this.png', 510 'wp-admin/images/press-this-2x.png', 511 'wp-admin/images/arrows-vs-2x.png', 512 'wp-admin/images/welcome-icons.png', 513 'wp-admin/images/wp-logo-2x.png', 514 'wp-admin/images/stars-rtl-2x.png', 515 'wp-admin/images/arrows-dark-2x.png', 516 'wp-admin/images/arrows-pr-2x.png', 517 'wp-admin/images/menu-shadow-rtl.png', 518 'wp-admin/images/arrows-vs.png', 519 'wp-admin/images/about-search-2x.png', 520 'wp-admin/images/bubble_bg-rtl-2x.gif', 521 'wp-admin/images/wp-badge-2x.png', 522 'wp-admin/images/wordpress-logo-2x.png', 523 'wp-admin/images/bubble_bg-rtl.gif', 524 'wp-admin/images/wp-badge.png', 525 'wp-admin/images/menu-shadow.png', 526 'wp-admin/images/about-globe-2x.png', 527 'wp-admin/images/welcome-icons-2x.png', 528 'wp-admin/images/stars-rtl.png', 529 'wp-admin/images/wp-logo-vs-2x.png', 530 'wp-admin/images/about-updates-2x.png', 531 // 3.9 532 'wp-admin/css/colors.css', 533 'wp-admin/css/colors.min.css', 534 'wp-admin/css/colors-rtl.css', 535 'wp-admin/css/colors-rtl.min.css', 536 // Following files added back in 4.5, see #36083. 537 // 'wp-admin/css/media-rtl.min.css', 538 // 'wp-admin/css/media.min.css', 539 // 'wp-admin/css/farbtastic-rtl.min.css', 540 'wp-admin/images/lock-2x.png', 541 'wp-admin/images/lock.png', 542 'wp-admin/js/theme-preview.js', 543 'wp-admin/js/theme-install.min.js', 544 'wp-admin/js/theme-install.js', 545 'wp-admin/js/theme-preview.min.js', 546 'wp-includes/js/plupload/plupload.html4.js', 547 'wp-includes/js/plupload/plupload.html5.js', 548 'wp-includes/js/plupload/changelog.txt', 549 'wp-includes/js/plupload/plupload.silverlight.js', 550 'wp-includes/js/plupload/plupload.flash.js', 551 // Added back in 4.9 [41328], see #41755. 552 // 'wp-includes/js/plupload/plupload.js', 553 'wp-includes/js/tinymce/plugins/spellchecker', 554 'wp-includes/js/tinymce/plugins/inlinepopups', 555 'wp-includes/js/tinymce/plugins/media/js', 556 'wp-includes/js/tinymce/plugins/media/css', 557 'wp-includes/js/tinymce/plugins/wordpress/img', 558 'wp-includes/js/tinymce/plugins/wpdialogs/js', 559 'wp-includes/js/tinymce/plugins/wpeditimage/img', 560 'wp-includes/js/tinymce/plugins/wpeditimage/js', 561 'wp-includes/js/tinymce/plugins/wpeditimage/css', 562 'wp-includes/js/tinymce/plugins/wpgallery/img', 563 'wp-includes/js/tinymce/plugins/paste/js', 564 'wp-includes/js/tinymce/themes/advanced', 565 'wp-includes/js/tinymce/tiny_mce.js', 566 'wp-includes/js/tinymce/mark_loaded_src.js', 567 'wp-includes/js/tinymce/wp-tinymce-schema.js', 568 'wp-includes/js/tinymce/plugins/media/editor_plugin.js', 569 'wp-includes/js/tinymce/plugins/media/editor_plugin_src.js', 570 'wp-includes/js/tinymce/plugins/media/media.htm', 571 'wp-includes/js/tinymce/plugins/wpview/editor_plugin_src.js', 572 'wp-includes/js/tinymce/plugins/wpview/editor_plugin.js', 573 'wp-includes/js/tinymce/plugins/directionality/editor_plugin.js', 574 'wp-includes/js/tinymce/plugins/directionality/editor_plugin_src.js', 575 'wp-includes/js/tinymce/plugins/wordpress/editor_plugin.js', 576 'wp-includes/js/tinymce/plugins/wordpress/editor_plugin_src.js', 577 'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin_src.js', 578 'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin.js', 579 'wp-includes/js/tinymce/plugins/wpeditimage/editimage.html', 580 'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin.js', 581 'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin_src.js', 582 'wp-includes/js/tinymce/plugins/fullscreen/editor_plugin_src.js', 583 'wp-includes/js/tinymce/plugins/fullscreen/fullscreen.htm', 584 'wp-includes/js/tinymce/plugins/fullscreen/editor_plugin.js', 585 'wp-includes/js/tinymce/plugins/wplink/editor_plugin_src.js', 586 'wp-includes/js/tinymce/plugins/wplink/editor_plugin.js', 587 'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin_src.js', 588 'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.js', 589 'wp-includes/js/tinymce/plugins/tabfocus/editor_plugin.js', 590 'wp-includes/js/tinymce/plugins/tabfocus/editor_plugin_src.js', 591 'wp-includes/js/tinymce/plugins/paste/editor_plugin.js', 592 'wp-includes/js/tinymce/plugins/paste/pasteword.htm', 593 'wp-includes/js/tinymce/plugins/paste/editor_plugin_src.js', 594 'wp-includes/js/tinymce/plugins/paste/pastetext.htm', 595 'wp-includes/js/tinymce/langs/wp-langs.php', 596 // 4.1 597 'wp-includes/js/jquery/ui/jquery.ui.accordion.min.js', 598 'wp-includes/js/jquery/ui/jquery.ui.autocomplete.min.js', 599 'wp-includes/js/jquery/ui/jquery.ui.button.min.js', 600 'wp-includes/js/jquery/ui/jquery.ui.core.min.js', 601 'wp-includes/js/jquery/ui/jquery.ui.datepicker.min.js', 602 'wp-includes/js/jquery/ui/jquery.ui.dialog.min.js', 603 'wp-includes/js/jquery/ui/jquery.ui.draggable.min.js', 604 'wp-includes/js/jquery/ui/jquery.ui.droppable.min.js', 605 'wp-includes/js/jquery/ui/jquery.ui.effect-blind.min.js', 606 'wp-includes/js/jquery/ui/jquery.ui.effect-bounce.min.js', 607 'wp-includes/js/jquery/ui/jquery.ui.effect-clip.min.js', 608 'wp-includes/js/jquery/ui/jquery.ui.effect-drop.min.js', 609 'wp-includes/js/jquery/ui/jquery.ui.effect-explode.min.js', 610 'wp-includes/js/jquery/ui/jquery.ui.effect-fade.min.js', 611 'wp-includes/js/jquery/ui/jquery.ui.effect-fold.min.js', 612 'wp-includes/js/jquery/ui/jquery.ui.effect-highlight.min.js', 613 'wp-includes/js/jquery/ui/jquery.ui.effect-pulsate.min.js', 614 'wp-includes/js/jquery/ui/jquery.ui.effect-scale.min.js', 615 'wp-includes/js/jquery/ui/jquery.ui.effect-shake.min.js', 616 'wp-includes/js/jquery/ui/jquery.ui.effect-slide.min.js', 617 'wp-includes/js/jquery/ui/jquery.ui.effect-transfer.min.js', 618 'wp-includes/js/jquery/ui/jquery.ui.effect.min.js', 619 'wp-includes/js/jquery/ui/jquery.ui.menu.min.js', 620 'wp-includes/js/jquery/ui/jquery.ui.mouse.min.js', 621 'wp-includes/js/jquery/ui/jquery.ui.position.min.js', 622 'wp-includes/js/jquery/ui/jquery.ui.progressbar.min.js', 623 'wp-includes/js/jquery/ui/jquery.ui.resizable.min.js', 624 'wp-includes/js/jquery/ui/jquery.ui.selectable.min.js', 625 'wp-includes/js/jquery/ui/jquery.ui.slider.min.js', 626 'wp-includes/js/jquery/ui/jquery.ui.sortable.min.js', 627 'wp-includes/js/jquery/ui/jquery.ui.spinner.min.js', 628 'wp-includes/js/jquery/ui/jquery.ui.tabs.min.js', 629 'wp-includes/js/jquery/ui/jquery.ui.tooltip.min.js', 630 'wp-includes/js/jquery/ui/jquery.ui.widget.min.js', 631 'wp-includes/js/tinymce/skins/wordpress/images/dashicon-no-alt.png', 632 // 4.3 633 'wp-admin/js/wp-fullscreen.js', 634 'wp-admin/js/wp-fullscreen.min.js', 635 'wp-includes/js/tinymce/wp-mce-help.php', 636 'wp-includes/js/tinymce/plugins/wpfullscreen', 637 // 4.5 638 'wp-includes/theme-compat/comments-popup.php', 639 // 4.6 640 'wp-admin/includes/class-wp-automatic-upgrader.php', // Wrong file name, see #37628. 641 // 4.8 642 'wp-includes/js/tinymce/plugins/wpembed', 643 'wp-includes/js/tinymce/plugins/media/moxieplayer.swf', 644 'wp-includes/js/tinymce/skins/lightgray/fonts/readme.md', 645 'wp-includes/js/tinymce/skins/lightgray/fonts/tinymce-small.json', 646 'wp-includes/js/tinymce/skins/lightgray/fonts/tinymce.json', 647 'wp-includes/js/tinymce/skins/lightgray/skin.ie7.min.css', 648 // 4.9 649 'wp-admin/css/press-this-editor-rtl.css', 650 'wp-admin/css/press-this-editor-rtl.min.css', 651 'wp-admin/css/press-this-editor.css', 652 'wp-admin/css/press-this-editor.min.css', 653 'wp-admin/css/press-this-rtl.css', 654 'wp-admin/css/press-this-rtl.min.css', 655 'wp-admin/css/press-this.css', 656 'wp-admin/css/press-this.min.css', 657 'wp-admin/includes/class-wp-press-this.php', 658 'wp-admin/js/bookmarklet.js', 659 'wp-admin/js/bookmarklet.min.js', 660 'wp-admin/js/press-this.js', 661 'wp-admin/js/press-this.min.js', 662 'wp-includes/js/mediaelement/background.png', 663 'wp-includes/js/mediaelement/bigplay.png', 664 'wp-includes/js/mediaelement/bigplay.svg', 665 'wp-includes/js/mediaelement/controls.png', 666 'wp-includes/js/mediaelement/controls.svg', 667 'wp-includes/js/mediaelement/flashmediaelement.swf', 668 'wp-includes/js/mediaelement/froogaloop.min.js', 669 'wp-includes/js/mediaelement/jumpforward.png', 670 'wp-includes/js/mediaelement/loading.gif', 671 'wp-includes/js/mediaelement/silverlightmediaelement.xap', 672 'wp-includes/js/mediaelement/skipback.png', 673 'wp-includes/js/plupload/plupload.flash.swf', 674 'wp-includes/js/plupload/plupload.full.min.js', 675 'wp-includes/js/plupload/plupload.silverlight.xap', 676 'wp-includes/js/swfupload/plugins', 677 'wp-includes/js/swfupload/swfupload.swf', 678 // 4.9.2 679 'wp-includes/js/mediaelement/lang', 680 'wp-includes/js/mediaelement/mediaelement-flash-audio-ogg.swf', 681 'wp-includes/js/mediaelement/mediaelement-flash-audio.swf', 682 'wp-includes/js/mediaelement/mediaelement-flash-video-hls.swf', 683 'wp-includes/js/mediaelement/mediaelement-flash-video-mdash.swf', 684 'wp-includes/js/mediaelement/mediaelement-flash-video.swf', 685 'wp-includes/js/mediaelement/renderers/dailymotion.js', 686 'wp-includes/js/mediaelement/renderers/dailymotion.min.js', 687 'wp-includes/js/mediaelement/renderers/facebook.js', 688 'wp-includes/js/mediaelement/renderers/facebook.min.js', 689 'wp-includes/js/mediaelement/renderers/soundcloud.js', 690 'wp-includes/js/mediaelement/renderers/soundcloud.min.js', 691 'wp-includes/js/mediaelement/renderers/twitch.js', 692 'wp-includes/js/mediaelement/renderers/twitch.min.js', 693 // 5.0 694 'wp-includes/js/codemirror/jshint.js', 695 // 5.1 696 'wp-includes/js/tinymce/wp-tinymce.js.gz', 697 // 5.3 698 'wp-includes/js/wp-a11y.js', // Moved to: wp-includes/js/dist/a11y.js 699 'wp-includes/js/wp-a11y.min.js', // Moved to: wp-includes/js/dist/a11y.min.js 700 // 5.4 701 'wp-admin/js/wp-fullscreen-stub.js', 702 'wp-admin/js/wp-fullscreen-stub.min.js', 703 // 5.5 704 'wp-admin/css/ie.css', 705 'wp-admin/css/ie.min.css', 706 'wp-admin/css/ie-rtl.css', 707 'wp-admin/css/ie-rtl.min.css', 708 // 5.6 709 'wp-includes/js/jquery/ui/position.min.js', 710 'wp-includes/js/jquery/ui/widget.min.js', 711 // 5.7 712 'wp-includes/blocks/classic/block.json', 713 // 5.8 714 'wp-admin/images/freedoms.png', 715 'wp-admin/images/privacy.png', 716 'wp-admin/images/about-badge.svg', 717 'wp-admin/images/about-color-palette.svg', 718 'wp-admin/images/about-color-palette-vert.svg', 719 'wp-admin/images/about-header-brushes.svg', 720 'wp-includes/block-patterns/large-header.php', 721 'wp-includes/block-patterns/heading-paragraph.php', 722 'wp-includes/block-patterns/quote.php', 723 'wp-includes/block-patterns/text-three-columns-buttons.php', 724 'wp-includes/block-patterns/two-buttons.php', 725 'wp-includes/block-patterns/two-images.php', 726 'wp-includes/block-patterns/three-buttons.php', 727 'wp-includes/block-patterns/text-two-columns-with-images.php', 728 'wp-includes/block-patterns/text-two-columns.php', 729 'wp-includes/block-patterns/large-header-button.php', 730 'wp-includes/blocks/subhead', 731 'wp-includes/css/dist/editor/editor-styles.css', 732 'wp-includes/css/dist/editor/editor-styles.min.css', 733 'wp-includes/css/dist/editor/editor-styles-rtl.css', 734 'wp-includes/css/dist/editor/editor-styles-rtl.min.css', 735 // 5.9 736 'wp-includes/blocks/heading/editor.css', 737 'wp-includes/blocks/heading/editor.min.css', 738 'wp-includes/blocks/heading/editor-rtl.css', 739 'wp-includes/blocks/heading/editor-rtl.min.css', 740 'wp-includes/blocks/query-title/editor.css', 741 'wp-includes/blocks/query-title/editor.min.css', 742 'wp-includes/blocks/query-title/editor-rtl.css', 743 'wp-includes/blocks/query-title/editor-rtl.min.css', 744 /* 745 * Restored in WordPress 6.7 746 * 747 * 'wp-includes/blocks/tag-cloud/editor.css', 748 * 'wp-includes/blocks/tag-cloud/editor.min.css', 749 * 'wp-includes/blocks/tag-cloud/editor-rtl.css', 750 * 'wp-includes/blocks/tag-cloud/editor-rtl.min.css', 751 */ 752 // 6.1 753 'wp-includes/blocks/post-comments.php', 754 'wp-includes/blocks/post-comments', 755 'wp-includes/blocks/comments-query-loop', 756 // 6.3 757 'wp-includes/images/wlw', 758 'wp-includes/wlwmanifest.xml', 759 'wp-includes/random_compat', 760 // 6.4 761 'wp-includes/navigation-fallback.php', 762 'wp-includes/blocks/navigation/view-modal.min.js', 763 'wp-includes/blocks/navigation/view-modal.js', 764 // 6.5 765 'wp-includes/ID3/license.commercial.txt', 766 'wp-includes/blocks/query/style-rtl.min.css', 767 'wp-includes/blocks/query/style.min.css', 768 'wp-includes/blocks/query/style-rtl.css', 769 'wp-includes/blocks/query/style.css', 770 'wp-admin/images/about-header-privacy.svg', 771 'wp-admin/images/about-header-about.svg', 772 'wp-admin/images/about-header-credits.svg', 773 'wp-admin/images/about-header-freedoms.svg', 774 'wp-admin/images/about-header-contribute.svg', 775 'wp-admin/images/about-header-background.svg', 776 // 6.6 777 'wp-includes/blocks/block/editor.css', 778 'wp-includes/blocks/block/editor.min.css', 779 'wp-includes/blocks/block/editor-rtl.css', 780 'wp-includes/blocks/block/editor-rtl.min.css', 781 /* 782 * 6.7 783 * 784 * WordPress 6.7 included a SimplePie upgrade that included a major 785 * refactoring of the file structure and library. The old files are 786 * split in to two sections to account for this: files and directories. 787 * 788 * See https://core.trac.wordpress.org/changeset/59141 789 */ 790 // 6.7 - files 791 'wp-includes/js/dist/interactivity-router.asset.php', 792 'wp-includes/js/dist/interactivity-router.js', 793 'wp-includes/js/dist/interactivity-router.min.js', 794 'wp-includes/js/dist/interactivity-router.min.asset.php', 795 'wp-includes/js/dist/interactivity.js', 796 'wp-includes/js/dist/interactivity.min.js', 797 'wp-includes/js/dist/vendor/react-dom.min.js.LICENSE.txt', 798 'wp-includes/js/dist/vendor/react.min.js.LICENSE.txt', 799 'wp-includes/js/dist/vendor/wp-polyfill-importmap.js', 800 'wp-includes/js/dist/vendor/wp-polyfill-importmap.min.js', 801 'wp-includes/sodium_compat/src/Core/Base64/Common.php', 802 'wp-includes/SimplePie/Author.php', 803 'wp-includes/SimplePie/Cache.php', 804 'wp-includes/SimplePie/Caption.php', 805 'wp-includes/SimplePie/Category.php', 806 'wp-includes/SimplePie/Copyright.php', 807 'wp-includes/SimplePie/Core.php', 808 'wp-includes/SimplePie/Credit.php', 809 'wp-includes/SimplePie/Enclosure.php', 810 'wp-includes/SimplePie/Exception.php', 811 'wp-includes/SimplePie/File.php', 812 'wp-includes/SimplePie/gzdecode.php', 813 'wp-includes/SimplePie/IRI.php', 814 'wp-includes/SimplePie/Item.php', 815 'wp-includes/SimplePie/Locator.php', 816 'wp-includes/SimplePie/Misc.php', 817 'wp-includes/SimplePie/Parser.php', 818 'wp-includes/SimplePie/Rating.php', 819 'wp-includes/SimplePie/Registry.php', 820 'wp-includes/SimplePie/Restriction.php', 821 'wp-includes/SimplePie/Sanitize.php', 822 'wp-includes/SimplePie/Source.php', 823 // 6.7 - directories 824 'wp-includes/SimplePie/Cache/', 825 'wp-includes/SimplePie/Content/', 826 'wp-includes/SimplePie/Decode/', 827 'wp-includes/SimplePie/HTTP/', 828 'wp-includes/SimplePie/Net/', 829 'wp-includes/SimplePie/Parse/', 830 'wp-includes/SimplePie/XML/', 831 // 6.8 832 'wp-includes/blocks/post-content/editor.css', 833 'wp-includes/blocks/post-content/editor.min.css', 834 'wp-includes/blocks/post-content/editor-rtl.css', 835 'wp-includes/blocks/post-content/editor-rtl.min.css', 836 'wp-includes/blocks/post-template/editor.css', 837 'wp-includes/blocks/post-template/editor.min.css', 838 'wp-includes/blocks/post-template/editor-rtl.css', 839 'wp-includes/blocks/post-template/editor-rtl.min.css', 840 'wp-includes/js/dist/undo-manager.js', 841 'wp-includes/js/dist/undo-manager.min.js', 842 'wp-includes/js/dist/fields.min.js', 843 'wp-includes/js/dist/fields.js', 844 ); 845 846 /** 847 * Stores Requests files to be preloaded and deleted. 848 * 849 * For classes/interfaces, use the class/interface name 850 * as the array key. 851 * 852 * All other files/directories should not have a key. 853 * 854 * @since 6.2.0 855 * 856 * @global string[] $_old_requests_files 857 * @var string[] 858 * @name $_old_requests_files 859 */ 860 global $_old_requests_files; 861 862 $_old_requests_files = array( 863 // Interfaces. 864 'Requests_Auth' => 'wp-includes/Requests/Auth.php', 865 'Requests_Hooker' => 'wp-includes/Requests/Hooker.php', 866 'Requests_Proxy' => 'wp-includes/Requests/Proxy.php', 867 'Requests_Transport' => 'wp-includes/Requests/Transport.php', 868 869 // Classes. 870 'Requests_Auth_Basic' => 'wp-includes/Requests/Auth/Basic.php', 871 'Requests_Cookie_Jar' => 'wp-includes/Requests/Cookie/Jar.php', 872 'Requests_Exception_HTTP' => 'wp-includes/Requests/Exception/HTTP.php', 873 'Requests_Exception_Transport' => 'wp-includes/Requests/Exception/Transport.php', 874 'Requests_Exception_HTTP_304' => 'wp-includes/Requests/Exception/HTTP/304.php', 875 'Requests_Exception_HTTP_305' => 'wp-includes/Requests/Exception/HTTP/305.php', 876 'Requests_Exception_HTTP_306' => 'wp-includes/Requests/Exception/HTTP/306.php', 877 'Requests_Exception_HTTP_400' => 'wp-includes/Requests/Exception/HTTP/400.php', 878 'Requests_Exception_HTTP_401' => 'wp-includes/Requests/Exception/HTTP/401.php', 879 'Requests_Exception_HTTP_402' => 'wp-includes/Requests/Exception/HTTP/402.php', 880 'Requests_Exception_HTTP_403' => 'wp-includes/Requests/Exception/HTTP/403.php', 881 'Requests_Exception_HTTP_404' => 'wp-includes/Requests/Exception/HTTP/404.php', 882 'Requests_Exception_HTTP_405' => 'wp-includes/Requests/Exception/HTTP/405.php', 883 'Requests_Exception_HTTP_406' => 'wp-includes/Requests/Exception/HTTP/406.php', 884 'Requests_Exception_HTTP_407' => 'wp-includes/Requests/Exception/HTTP/407.php', 885 'Requests_Exception_HTTP_408' => 'wp-includes/Requests/Exception/HTTP/408.php', 886 'Requests_Exception_HTTP_409' => 'wp-includes/Requests/Exception/HTTP/409.php', 887 'Requests_Exception_HTTP_410' => 'wp-includes/Requests/Exception/HTTP/410.php', 888 'Requests_Exception_HTTP_411' => 'wp-includes/Requests/Exception/HTTP/411.php', 889 'Requests_Exception_HTTP_412' => 'wp-includes/Requests/Exception/HTTP/412.php', 890 'Requests_Exception_HTTP_413' => 'wp-includes/Requests/Exception/HTTP/413.php', 891 'Requests_Exception_HTTP_414' => 'wp-includes/Requests/Exception/HTTP/414.php', 892 'Requests_Exception_HTTP_415' => 'wp-includes/Requests/Exception/HTTP/415.php', 893 'Requests_Exception_HTTP_416' => 'wp-includes/Requests/Exception/HTTP/416.php', 894 'Requests_Exception_HTTP_417' => 'wp-includes/Requests/Exception/HTTP/417.php', 895 'Requests_Exception_HTTP_418' => 'wp-includes/Requests/Exception/HTTP/418.php', 896 'Requests_Exception_HTTP_428' => 'wp-includes/Requests/Exception/HTTP/428.php', 897 'Requests_Exception_HTTP_429' => 'wp-includes/Requests/Exception/HTTP/429.php', 898 'Requests_Exception_HTTP_431' => 'wp-includes/Requests/Exception/HTTP/431.php', 899 'Requests_Exception_HTTP_500' => 'wp-includes/Requests/Exception/HTTP/500.php', 900 'Requests_Exception_HTTP_501' => 'wp-includes/Requests/Exception/HTTP/501.php', 901 'Requests_Exception_HTTP_502' => 'wp-includes/Requests/Exception/HTTP/502.php', 902 'Requests_Exception_HTTP_503' => 'wp-includes/Requests/Exception/HTTP/503.php', 903 'Requests_Exception_HTTP_504' => 'wp-includes/Requests/Exception/HTTP/504.php', 904 'Requests_Exception_HTTP_505' => 'wp-includes/Requests/Exception/HTTP/505.php', 905 'Requests_Exception_HTTP_511' => 'wp-includes/Requests/Exception/HTTP/511.php', 906 'Requests_Exception_HTTP_Unknown' => 'wp-includes/Requests/Exception/HTTP/Unknown.php', 907 'Requests_Exception_Transport_cURL' => 'wp-includes/Requests/Exception/Transport/cURL.php', 908 'Requests_Proxy_HTTP' => 'wp-includes/Requests/Proxy/HTTP.php', 909 'Requests_Response_Headers' => 'wp-includes/Requests/Response/Headers.php', 910 'Requests_Transport_cURL' => 'wp-includes/Requests/Transport/cURL.php', 911 'Requests_Transport_fsockopen' => 'wp-includes/Requests/Transport/fsockopen.php', 912 'Requests_Utility_CaseInsensitiveDictionary' => 'wp-includes/Requests/Utility/CaseInsensitiveDictionary.php', 913 'Requests_Utility_FilteredIterator' => 'wp-includes/Requests/Utility/FilteredIterator.php', 914 'Requests_Cookie' => 'wp-includes/Requests/Cookie.php', 915 'Requests_Exception' => 'wp-includes/Requests/Exception.php', 916 'Requests_Hooks' => 'wp-includes/Requests/Hooks.php', 917 'Requests_IDNAEncoder' => 'wp-includes/Requests/IDNAEncoder.php', 918 'Requests_IPv6' => 'wp-includes/Requests/IPv6.php', 919 'Requests_IRI' => 'wp-includes/Requests/IRI.php', 920 'Requests_Response' => 'wp-includes/Requests/Response.php', 921 'Requests_SSL' => 'wp-includes/Requests/SSL.php', 922 'Requests_Session' => 'wp-includes/Requests/Session.php', 923 924 // Directories. 925 'wp-includes/Requests/Auth/', 926 'wp-includes/Requests/Cookie/', 927 'wp-includes/Requests/Exception/HTTP/', 928 'wp-includes/Requests/Exception/Transport/', 929 'wp-includes/Requests/Exception/', 930 'wp-includes/Requests/Proxy/', 931 'wp-includes/Requests/Response/', 932 'wp-includes/Requests/Transport/', 933 'wp-includes/Requests/Utility/', 934 ); 935 936 /** 937 * Stores new files in wp-content to copy 938 * 939 * The contents of this array indicate any new bundled plugins/themes which 940 * should be installed with the WordPress Upgrade. These items will not be 941 * re-installed in future upgrades, this behavior is controlled by the 942 * introduced version present here being older than the current installed version. 943 * 944 * The content of this array should follow the following format: 945 * Filename (relative to wp-content) => Introduced version 946 * Directories should be noted by suffixing it with a trailing slash (/) 947 * 948 * @since 3.2.0 949 * @since 4.7.0 New themes were not automatically installed for 4.4-4.6 on 950 * upgrade. New themes are now installed again. To disable new 951 * themes from being installed on upgrade, explicitly define 952 * CORE_UPGRADE_SKIP_NEW_BUNDLED as true. 953 * @global string[] $_new_bundled_files 954 * @var string[] 955 * @name $_new_bundled_files 956 */ 957 global $_new_bundled_files; 958 959 $_new_bundled_files = array( 960 'plugins/akismet/' => '2.0', 961 'themes/twentyten/' => '3.0', 962 'themes/twentyeleven/' => '3.2', 963 'themes/twentytwelve/' => '3.5', 964 'themes/twentythirteen/' => '3.6', 965 'themes/twentyfourteen/' => '3.8', 966 'themes/twentyfifteen/' => '4.1', 967 'themes/twentysixteen/' => '4.4', 968 'themes/twentyseventeen/' => '4.7', 969 'themes/twentynineteen/' => '5.0', 970 'themes/twentytwenty/' => '5.3', 971 'themes/twentytwentyone/' => '5.6', 972 'themes/twentytwentytwo/' => '5.9', 973 'themes/twentytwentythree/' => '6.1', 974 'themes/twentytwentyfour/' => '6.4', 975 'themes/twentytwentyfive/' => '6.7', 976 ); 977 978 /** 979 * Upgrades the core of WordPress. 980 * 981 * This will create a .maintenance file at the base of the WordPress directory 982 * to ensure that people can not access the website, when the files are being 983 * copied to their locations. 984 * 985 * The files in the `$_old_files` list will be removed and the new files 986 * copied from the zip file after the database is upgraded. 987 * 988 * The files in the `$_new_bundled_files` list will be added to the installation 989 * if the version is greater than or equal to the old version being upgraded. 990 * 991 * The steps for the upgrader for after the new release is downloaded and 992 * unzipped is: 993 * 994 * 1. Test unzipped location for select files to ensure that unzipped worked. 995 * 2. Create the .maintenance file in current WordPress base. 996 * 3. Copy new WordPress directory over old WordPress files. 997 * 4. Upgrade WordPress to new version. 998 * 1. Copy all files/folders other than wp-content 999 * 2. Copy any language files to `WP_LANG_DIR` (which may differ from `WP_CONTENT_DIR` 1000 * 3. Copy any new bundled themes/plugins to their respective locations 1001 * 5. Delete new WordPress directory path. 1002 * 6. Delete .maintenance file. 1003 * 7. Remove old files. 1004 * 8. Delete 'update_core' option. 1005 * 1006 * There are several areas of failure. For instance if PHP times out before step 1007 * 6, then you will not be able to access any portion of your site. Also, since 1008 * the upgrade will not continue where it left off, you will not be able to 1009 * automatically remove old files and remove the 'update_core' option. This 1010 * isn't that bad. 1011 * 1012 * If the copy of the new WordPress over the old fails, then the worse is that 1013 * the new WordPress directory will remain. 1014 * 1015 * If it is assumed that every file will be copied over, including plugins and 1016 * themes, then if you edit the default theme, you should rename it, so that 1017 * your changes remain. 1018 * 1019 * @since 2.7.0 1020 * 1021 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. 1022 * @global string[] $_old_files 1023 * @global string[] $_old_requests_files 1024 * @global string[] $_new_bundled_files 1025 * @global wpdb $wpdb WordPress database abstraction object. 1026 * 1027 * @param string $from New release unzipped path. 1028 * @param string $to Path to old WordPress installation. 1029 * @return string|WP_Error New WordPress version on success, WP_Error on failure. 1030 */ 1031 function update_core( $from, $to ) { 1032 global $wp_filesystem, $_old_files, $_old_requests_files, $_new_bundled_files, $wpdb; 1033 1034 /* 1035 * Give core update script an additional 300 seconds (5 minutes) 1036 * to finish updating large files when running on slower servers. 1037 */ 1038 if ( function_exists( 'set_time_limit' ) ) { 1039 set_time_limit( 300 ); 1040 } 1041 1042 /* 1043 * Merge the old Requests files and directories into the `$_old_files`. 1044 * Then preload these Requests files first, before the files are deleted 1045 * and replaced to ensure the code is in memory if needed. 1046 */ 1047 $_old_files = array_merge( $_old_files, array_values( $_old_requests_files ) ); 1048 _preload_old_requests_classes_and_interfaces( $to ); 1049 1050 /** 1051 * Filters feedback messages displayed during the core update process. 1052 * 1053 * The filter is first evaluated after the zip file for the latest version 1054 * has been downloaded and unzipped. It is evaluated five more times during 1055 * the process: 1056 * 1057 * 1. Before WordPress begins the core upgrade process. 1058 * 2. Before Maintenance Mode is enabled. 1059 * 3. Before WordPress begins copying over the necessary files. 1060 * 4. Before Maintenance Mode is disabled. 1061 * 5. Before the database is upgraded. 1062 * 1063 * @since 2.5.0 1064 * 1065 * @param string $feedback The core update feedback messages. 1066 */ 1067 apply_filters( 'update_feedback', __( 'Verifying the unpacked files…' ) ); 1068 1069 // Confidence check the unzipped distribution. 1070 $distro = ''; 1071 $roots = array( '/wordpress/', '/wordpress-mu/' ); 1072 1073 foreach ( $roots as $root ) { 1074 if ( $wp_filesystem->exists( $from . $root . 'readme.html' ) 1075 && $wp_filesystem->exists( $from . $root . 'wp-includes/version.php' ) 1076 ) { 1077 $distro = $root; 1078 break; 1079 } 1080 } 1081 1082 if ( ! $distro ) { 1083 $wp_filesystem->delete( $from, true ); 1084 1085 return new WP_Error( 'insane_distro', __( 'The update could not be unpacked' ) ); 1086 } 1087 1088 /* 1089 * Import $wp_version, $required_php_version, $required_php_extensions, and $required_mysql_version from the new version. 1090 * DO NOT globalize any variables imported from `version-current.php` in this function. 1091 * 1092 * BC Note: $wp_filesystem->wp_content_dir() returned unslashed pre-2.8. 1093 */ 1094 $versions_file = trailingslashit( $wp_filesystem->wp_content_dir() ) . 'upgrade/version-current.php'; 1095 1096 if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $versions_file ) ) { 1097 $wp_filesystem->delete( $from, true ); 1098 1099 return new WP_Error( 1100 'copy_failed_for_version_file', 1101 __( 'The update cannot be installed because some files could not be copied. This is usually due to inconsistent file permissions.' ), 1102 'wp-includes/version.php' 1103 ); 1104 } 1105 1106 $wp_filesystem->chmod( $versions_file, FS_CHMOD_FILE ); 1107 1108 /* 1109 * `wp_opcache_invalidate()` only exists in WordPress 5.5 or later, 1110 * so don't run it when upgrading from older versions. 1111 */ 1112 if ( function_exists( 'wp_opcache_invalidate' ) ) { 1113 wp_opcache_invalidate( $versions_file ); 1114 } 1115 1116 require WP_CONTENT_DIR . '/upgrade/version-current.php'; 1117 $wp_filesystem->delete( $versions_file ); 1118 1119 $php_version = PHP_VERSION; 1120 $mysql_version = $wpdb->db_version(); 1121 $old_wp_version = $GLOBALS['wp_version']; // The version of WordPress we're updating from. 1122 /* 1123 * Note: str_contains() is not used here, as this file is included 1124 * when updating from older WordPress versions, in which case 1125 * the polyfills from wp-includes/compat.php may not be available. 1126 */ 1127 $development_build = ( false !== strpos( $old_wp_version . $wp_version, '-' ) ); // A dash in the version indicates a development release. 1128 $php_compat = version_compare( $php_version, $required_php_version, '>=' ); 1129 1130 if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) { 1131 $mysql_compat = true; 1132 } else { 1133 $mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' ); 1134 } 1135 1136 if ( ! $mysql_compat || ! $php_compat ) { 1137 $wp_filesystem->delete( $from, true ); 1138 } 1139 1140 $php_update_message = ''; 1141 1142 if ( function_exists( 'wp_get_update_php_url' ) ) { 1143 $php_update_message = '</p><p>' . sprintf( 1144 /* translators: %s: URL to Update PHP page. */ 1145 __( '<a href="%s">Learn more about updating PHP</a>.' ), 1146 esc_url( wp_get_update_php_url() ) 1147 ); 1148 1149 if ( function_exists( 'wp_get_update_php_annotation' ) ) { 1150 $annotation = wp_get_update_php_annotation(); 1151 1152 if ( $annotation ) { 1153 $php_update_message .= '</p><p><em>' . $annotation . '</em>'; 1154 } 1155 } 1156 } 1157 1158 if ( ! $mysql_compat && ! $php_compat ) { 1159 return new WP_Error( 1160 'php_mysql_not_compatible', 1161 sprintf( 1162 /* translators: 1: WordPress version number, 2: Minimum required PHP version number, 3: Minimum required MySQL version number, 4: Current PHP version number, 5: Current MySQL version number. */ 1163 __( 'The update cannot be installed because WordPress %1$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.' ), 1164 $wp_version, 1165 $required_php_version, 1166 $required_mysql_version, 1167 $php_version, 1168 $mysql_version 1169 ) . $php_update_message 1170 ); 1171 } elseif ( ! $php_compat ) { 1172 return new WP_Error( 1173 'php_not_compatible', 1174 sprintf( 1175 /* translators: 1: WordPress version number, 2: Minimum required PHP version number, 3: Current PHP version number. */ 1176 __( 'The update cannot be installed because WordPress %1$s requires PHP version %2$s or higher. You are running version %3$s.' ), 1177 $wp_version, 1178 $required_php_version, 1179 $php_version 1180 ) . $php_update_message 1181 ); 1182 } elseif ( ! $mysql_compat ) { 1183 return new WP_Error( 1184 'mysql_not_compatible', 1185 sprintf( 1186 /* translators: 1: WordPress version number, 2: Minimum required MySQL version number, 3: Current MySQL version number. */ 1187 __( 'The update cannot be installed because WordPress %1$s requires MySQL version %2$s or higher. You are running version %3$s.' ), 1188 $wp_version, 1189 $required_mysql_version, 1190 $mysql_version 1191 ) 1192 ); 1193 } 1194 1195 if ( isset( $required_php_extensions ) && is_array( $required_php_extensions ) ) { 1196 $missing_extensions = new WP_Error(); 1197 1198 foreach ( $required_php_extensions as $extension ) { 1199 if ( extension_loaded( $extension ) ) { 1200 continue; 1201 } 1202 1203 $missing_extensions->add( 1204 "php_not_compatible_{$extension}", 1205 sprintf( 1206 /* translators: 1: WordPress version number, 2: The PHP extension name needed. */ 1207 __( 'The update cannot be installed because WordPress %1$s requires the %2$s PHP extension.' ), 1208 $wp_version, 1209 $extension 1210 ) 1211 ); 1212 } 1213 1214 // Add a warning when required PHP extensions are missing. 1215 if ( ! empty( $missing_extensions->errors ) ) { 1216 return $missing_extensions; 1217 } 1218 } 1219 1220 /** This filter is documented in wp-admin/includes/update-core.php */ 1221 apply_filters( 'update_feedback', __( 'Preparing to install the latest version…' ) ); 1222 1223 /* 1224 * Don't copy wp-content, we'll deal with that below. 1225 * We also copy version.php last so failed updates report their old version. 1226 */ 1227 $skip = array( 'wp-content', 'wp-includes/version.php' ); 1228 $check_is_writable = array(); 1229 1230 // Check to see which files don't really need updating - only available for 3.7 and higher. 1231 if ( function_exists( 'get_core_checksums' ) ) { 1232 // Find the local version of the working directory. 1233 $working_dir_local = WP_CONTENT_DIR . '/upgrade/' . basename( $from ) . $distro; 1234 1235 $checksums = get_core_checksums( $wp_version, isset( $wp_local_package ) ? $wp_local_package : 'en_US' ); 1236 1237 if ( is_array( $checksums ) && isset( $checksums[ $wp_version ] ) ) { 1238 $checksums = $checksums[ $wp_version ]; // Compat code for 3.7-beta2. 1239 } 1240 1241 if ( is_array( $checksums ) ) { 1242 foreach ( $checksums as $file => $checksum ) { 1243 /* 1244 * Note: str_starts_with() is not used here, as this file is included 1245 * when updating from older WordPress versions, in which case 1246 * the polyfills from wp-includes/compat.php may not be available. 1247 */ 1248 if ( 'wp-content' === substr( $file, 0, 10 ) ) { 1249 continue; 1250 } 1251 1252 if ( ! file_exists( ABSPATH . $file ) ) { 1253 continue; 1254 } 1255 1256 if ( ! file_exists( $working_dir_local . $file ) ) { 1257 continue; 1258 } 1259 1260 if ( '.' === dirname( $file ) 1261 && in_array( pathinfo( $file, PATHINFO_EXTENSION ), array( 'html', 'txt' ), true ) 1262 ) { 1263 continue; 1264 } 1265 1266 if ( md5_file( ABSPATH . $file ) === $checksum ) { 1267 $skip[] = $file; 1268 } else { 1269 $check_is_writable[ $file ] = ABSPATH . $file; 1270 } 1271 } 1272 } 1273 } 1274 1275 // If we're using the direct method, we can predict write failures that are due to permissions. 1276 if ( $check_is_writable && 'direct' === $wp_filesystem->method ) { 1277 $files_writable = array_filter( $check_is_writable, array( $wp_filesystem, 'is_writable' ) ); 1278 1279 if ( $files_writable !== $check_is_writable ) { 1280 $files_not_writable = array_diff_key( $check_is_writable, $files_writable ); 1281 1282 foreach ( $files_not_writable as $relative_file_not_writable => $file_not_writable ) { 1283 // If the writable check failed, chmod file to 0644 and try again, same as copy_dir(). 1284 $wp_filesystem->chmod( $file_not_writable, FS_CHMOD_FILE ); 1285 1286 if ( $wp_filesystem->is_writable( $file_not_writable ) ) { 1287 unset( $files_not_writable[ $relative_file_not_writable ] ); 1288 } 1289 } 1290 1291 // Store package-relative paths (the key) of non-writable files in the WP_Error object. 1292 $error_data = version_compare( $old_wp_version, '3.7-beta2', '>' ) ? array_keys( $files_not_writable ) : ''; 1293 1294 if ( $files_not_writable ) { 1295 return new WP_Error( 1296 'files_not_writable', 1297 __( 'The update cannot be installed because your site is unable to copy some files. This is usually due to inconsistent file permissions.' ), 1298 implode( ', ', $error_data ) 1299 ); 1300 } 1301 } 1302 } 1303 1304 /** This filter is documented in wp-admin/includes/update-core.php */ 1305 apply_filters( 'update_feedback', __( 'Enabling Maintenance mode…' ) ); 1306 1307 // Create maintenance file to signal that we are upgrading. 1308 $maintenance_string = '<?php $upgrading = ' . time() . '; ?>'; 1309 $maintenance_file = $to . '.maintenance'; 1310 $wp_filesystem->delete( $maintenance_file ); 1311 $wp_filesystem->put_contents( $maintenance_file, $maintenance_string, FS_CHMOD_FILE ); 1312 1313 /** This filter is documented in wp-admin/includes/update-core.php */ 1314 apply_filters( 'update_feedback', __( 'Copying the required files…' ) ); 1315 1316 // Copy new versions of WP files into place. 1317 $result = copy_dir( $from . $distro, $to, $skip ); 1318 1319 if ( is_wp_error( $result ) ) { 1320 $result = new WP_Error( 1321 $result->get_error_code(), 1322 $result->get_error_message(), 1323 substr( $result->get_error_data(), strlen( $to ) ) 1324 ); 1325 } 1326 1327 // Since we know the core files have copied over, we can now copy the version file. 1328 if ( ! is_wp_error( $result ) ) { 1329 if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $to . 'wp-includes/version.php', true /* overwrite */ ) ) { 1330 $wp_filesystem->delete( $from, true ); 1331 $result = new WP_Error( 1332 'copy_failed_for_version_file', 1333 __( 'The update cannot be installed because your site is unable to copy some files. This is usually due to inconsistent file permissions.' ), 1334 'wp-includes/version.php' 1335 ); 1336 } 1337 1338 $wp_filesystem->chmod( $to . 'wp-includes/version.php', FS_CHMOD_FILE ); 1339 1340 /* 1341 * `wp_opcache_invalidate()` only exists in WordPress 5.5 or later, 1342 * so don't run it when upgrading from older versions. 1343 */ 1344 if ( function_exists( 'wp_opcache_invalidate' ) ) { 1345 wp_opcache_invalidate( $to . 'wp-includes/version.php' ); 1346 } 1347 } 1348 1349 // Check to make sure everything copied correctly, ignoring the contents of wp-content. 1350 $skip = array( 'wp-content' ); 1351 $failed = array(); 1352 1353 if ( isset( $checksums ) && is_array( $checksums ) ) { 1354 foreach ( $checksums as $file => $checksum ) { 1355 /* 1356 * Note: str_starts_with() is not used here, as this file is included 1357 * when updating from older WordPress versions, in which case 1358 * the polyfills from wp-includes/compat.php may not be available. 1359 */ 1360 if ( 'wp-content' === substr( $file, 0, 10 ) ) { 1361 continue; 1362 } 1363 1364 if ( ! file_exists( $working_dir_local . $file ) ) { 1365 continue; 1366 } 1367 1368 if ( '.' === dirname( $file ) 1369 && in_array( pathinfo( $file, PATHINFO_EXTENSION ), array( 'html', 'txt' ), true ) 1370 ) { 1371 $skip[] = $file; 1372 continue; 1373 } 1374 1375 if ( file_exists( ABSPATH . $file ) && md5_file( ABSPATH . $file ) === $checksum ) { 1376 $skip[] = $file; 1377 } else { 1378 $failed[] = $file; 1379 } 1380 } 1381 } 1382 1383 // Some files didn't copy properly. 1384 if ( ! empty( $failed ) ) { 1385 $total_size = 0; 1386 1387 foreach ( $failed as $file ) { 1388 if ( file_exists( $working_dir_local . $file ) ) { 1389 $total_size += filesize( $working_dir_local . $file ); 1390 } 1391 } 1392 1393 /* 1394 * If we don't have enough free space, it isn't worth trying again. 1395 * Unlikely to be hit due to the check in unzip_file(). 1396 */ 1397 $available_space = function_exists( 'disk_free_space' ) ? @disk_free_space( ABSPATH ) : false; 1398 1399 if ( $available_space && $total_size >= $available_space ) { 1400 $result = new WP_Error( 'disk_full', __( 'There is not enough free disk space to complete the update.' ) ); 1401 } else { 1402 $result = copy_dir( $from . $distro, $to, $skip ); 1403 1404 if ( is_wp_error( $result ) ) { 1405 $result = new WP_Error( 1406 $result->get_error_code() . '_retry', 1407 $result->get_error_message(), 1408 substr( $result->get_error_data(), strlen( $to ) ) 1409 ); 1410 } 1411 } 1412 } 1413 1414 /* 1415 * Custom content directory needs updating now. 1416 * Copy languages. 1417 */ 1418 if ( ! is_wp_error( $result ) && $wp_filesystem->is_dir( $from . $distro . 'wp-content/languages' ) ) { 1419 if ( WP_LANG_DIR !== ABSPATH . WPINC . '/languages' || @is_dir( WP_LANG_DIR ) ) { 1420 $lang_dir = WP_LANG_DIR; 1421 } else { 1422 $lang_dir = WP_CONTENT_DIR . '/languages'; 1423 } 1424 /* 1425 * Note: str_starts_with() is not used here, as this file is included 1426 * when updating from older WordPress versions, in which case 1427 * the polyfills from wp-includes/compat.php may not be available. 1428 */ 1429 // Check if the language directory exists first. 1430 if ( ! @is_dir( $lang_dir ) && 0 === strpos( $lang_dir, ABSPATH ) ) { 1431 // If it's within the ABSPATH we can handle it here, otherwise they're out of luck. 1432 $wp_filesystem->mkdir( $to . str_replace( ABSPATH, '', $lang_dir ), FS_CHMOD_DIR ); 1433 clearstatcache(); // For FTP, need to clear the stat cache. 1434 } 1435 1436 if ( @is_dir( $lang_dir ) ) { 1437 $wp_lang_dir = $wp_filesystem->find_folder( $lang_dir ); 1438 1439 if ( $wp_lang_dir ) { 1440 $result = copy_dir( $from . $distro . 'wp-content/languages/', $wp_lang_dir ); 1441 1442 if ( is_wp_error( $result ) ) { 1443 $result = new WP_Error( 1444 $result->get_error_code() . '_languages', 1445 $result->get_error_message(), 1446 substr( $result->get_error_data(), strlen( $wp_lang_dir ) ) 1447 ); 1448 } 1449 } 1450 } 1451 } 1452 1453 /** This filter is documented in wp-admin/includes/update-core.php */ 1454 apply_filters( 'update_feedback', __( 'Disabling Maintenance mode…' ) ); 1455 1456 // Remove maintenance file, we're done with potential site-breaking changes. 1457 $wp_filesystem->delete( $maintenance_file ); 1458 1459 /* 1460 * 3.5 -> 3.5+ - an empty twentytwelve directory was created upon upgrade to 3.5 for some users, 1461 * preventing installation of Twenty Twelve. 1462 */ 1463 if ( '3.5' === $old_wp_version ) { 1464 if ( is_dir( WP_CONTENT_DIR . '/themes/twentytwelve' ) 1465 && ! file_exists( WP_CONTENT_DIR . '/themes/twentytwelve/style.css' ) 1466 ) { 1467 $wp_filesystem->delete( $wp_filesystem->wp_themes_dir() . 'twentytwelve/' ); 1468 } 1469 } 1470 1471 /* 1472 * Copy new bundled plugins & themes. 1473 * This gives us the ability to install new plugins & themes bundled with 1474 * future versions of WordPress whilst avoiding the re-install upon upgrade issue. 1475 * $development_build controls us overwriting bundled themes and plugins when a non-stable release is being updated. 1476 */ 1477 if ( ! is_wp_error( $result ) 1478 && ( ! defined( 'CORE_UPGRADE_SKIP_NEW_BUNDLED' ) || ! CORE_UPGRADE_SKIP_NEW_BUNDLED ) 1479 ) { 1480 foreach ( (array) $_new_bundled_files as $file => $introduced_version ) { 1481 // If a $development_build or if $introduced version is greater than what the site was previously running. 1482 if ( $development_build || version_compare( $introduced_version, $old_wp_version, '>' ) ) { 1483 $directory = ( '/' === $file[ strlen( $file ) - 1 ] ); 1484 1485 list( $type, $filename ) = explode( '/', $file, 2 ); 1486 1487 // Check to see if the bundled items exist before attempting to copy them. 1488 if ( ! $wp_filesystem->exists( $from . $distro . 'wp-content/' . $file ) ) { 1489 continue; 1490 } 1491 1492 if ( 'plugins' === $type ) { 1493 $dest = $wp_filesystem->wp_plugins_dir(); 1494 } elseif ( 'themes' === $type ) { 1495 // Back-compat, ::wp_themes_dir() did not return trailingslash'd pre-3.2. 1496 $dest = trailingslashit( $wp_filesystem->wp_themes_dir() ); 1497 } else { 1498 continue; 1499 } 1500 1501 if ( ! $directory ) { 1502 if ( ! $development_build && $wp_filesystem->exists( $dest . $filename ) ) { 1503 continue; 1504 } 1505 1506 if ( ! $wp_filesystem->copy( $from . $distro . 'wp-content/' . $file, $dest . $filename, FS_CHMOD_FILE ) ) { 1507 $result = new WP_Error( "copy_failed_for_new_bundled_$type", __( 'Could not copy file.' ), $dest . $filename ); 1508 } 1509 } else { 1510 if ( ! $development_build && $wp_filesystem->is_dir( $dest . $filename ) ) { 1511 continue; 1512 } 1513 1514 $wp_filesystem->mkdir( $dest . $filename, FS_CHMOD_DIR ); 1515 $_result = copy_dir( $from . $distro . 'wp-content/' . $file, $dest . $filename ); 1516 1517 /* 1518 * If an error occurs partway through this final step, 1519 * keep the error flowing through, but keep the process going. 1520 */ 1521 if ( is_wp_error( $_result ) ) { 1522 if ( ! is_wp_error( $result ) ) { 1523 $result = new WP_Error(); 1524 } 1525 1526 $result->add( 1527 $_result->get_error_code() . "_$type", 1528 $_result->get_error_message(), 1529 substr( $_result->get_error_data(), strlen( $dest ) ) 1530 ); 1531 } 1532 } 1533 } 1534 } // End foreach. 1535 } 1536 1537 // Handle $result error from the above blocks. 1538 if ( is_wp_error( $result ) ) { 1539 $wp_filesystem->delete( $from, true ); 1540 1541 return $result; 1542 } 1543 1544 // Remove old files. 1545 foreach ( $_old_files as $old_file ) { 1546 $old_file = $to . $old_file; 1547 1548 if ( ! $wp_filesystem->exists( $old_file ) ) { 1549 continue; 1550 } 1551 1552 // If the file isn't deleted, try writing an empty string to the file instead. 1553 if ( ! $wp_filesystem->delete( $old_file, true ) && $wp_filesystem->is_file( $old_file ) ) { 1554 $wp_filesystem->put_contents( $old_file, '' ); 1555 } 1556 } 1557 1558 // Remove any Genericons example.html's from the filesystem. 1559 _upgrade_422_remove_genericons(); 1560 1561 // Deactivate the REST API plugin if its version is 2.0 Beta 4 or lower. 1562 _upgrade_440_force_deactivate_incompatible_plugins(); 1563 1564 // Deactivate incompatible plugins. 1565 _upgrade_core_deactivate_incompatible_plugins(); 1566 1567 // Upgrade DB with separate request. 1568 /** This filter is documented in wp-admin/includes/update-core.php */ 1569 apply_filters( 'update_feedback', __( 'Upgrading database…' ) ); 1570 1571 $db_upgrade_url = admin_url( 'upgrade.php?step=upgrade_db' ); 1572 wp_remote_post( $db_upgrade_url, array( 'timeout' => 60 ) ); 1573 1574 // Clear the cache to prevent an update_option() from saving a stale db_version to the cache. 1575 wp_cache_flush(); 1576 // Not all cache back ends listen to 'flush'. 1577 wp_cache_delete( 'alloptions', 'options' ); 1578 1579 // Remove working directory. 1580 $wp_filesystem->delete( $from, true ); 1581 1582 // Force refresh of update information. 1583 if ( function_exists( 'delete_site_transient' ) ) { 1584 delete_site_transient( 'update_core' ); 1585 } else { 1586 delete_option( 'update_core' ); 1587 } 1588 1589 /** 1590 * Fires after WordPress core has been successfully updated. 1591 * 1592 * @since 3.3.0 1593 * 1594 * @param string $wp_version The current WordPress version. 1595 */ 1596 do_action( '_core_updated_successfully', $wp_version ); 1597 1598 // Clear the option that blocks auto-updates after failures, now that we've been successful. 1599 if ( function_exists( 'delete_site_option' ) ) { 1600 delete_site_option( 'auto_core_update_failed' ); 1601 } 1602 1603 return $wp_version; 1604 } 1605 1606 /** 1607 * Preloads old Requests classes and interfaces. 1608 * 1609 * This function preloads the old Requests code into memory before the 1610 * upgrade process deletes the files. Why? Requests code is loaded into 1611 * memory via an autoloader, meaning when a class or interface is needed 1612 * If a request is in process, Requests could attempt to access code. If 1613 * the file is not there, a fatal error could occur. If the file was 1614 * replaced, the new code is not compatible with the old, resulting in 1615 * a fatal error. Preloading ensures the code is in memory before the 1616 * code is updated. 1617 * 1618 * @since 6.2.0 1619 * 1620 * @global string[] $_old_requests_files Requests files to be preloaded. 1621 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. 1622 * @global string $wp_version The WordPress version string. 1623 * 1624 * @param string $to Path to old WordPress installation. 1625 */ 1626 function _preload_old_requests_classes_and_interfaces( $to ) { 1627 global $_old_requests_files, $wp_filesystem, $wp_version; 1628 1629 /* 1630 * Requests was introduced in WordPress 4.6. 1631 * 1632 * Skip preloading if the website was previously using 1633 * an earlier version of WordPress. 1634 */ 1635 if ( version_compare( $wp_version, '4.6', '<' ) ) { 1636 return; 1637 } 1638 1639 if ( ! defined( 'REQUESTS_SILENCE_PSR0_DEPRECATIONS' ) ) { 1640 define( 'REQUESTS_SILENCE_PSR0_DEPRECATIONS', true ); 1641 } 1642 1643 foreach ( $_old_requests_files as $name => $file ) { 1644 // Skip files that aren't interfaces or classes. 1645 if ( is_int( $name ) ) { 1646 continue; 1647 } 1648 1649 // Skip if it's already loaded. 1650 if ( class_exists( $name ) || interface_exists( $name ) ) { 1651 continue; 1652 } 1653 1654 // Skip if the file is missing. 1655 if ( ! $wp_filesystem->is_file( $to . $file ) ) { 1656 continue; 1657 } 1658 1659 require_once $to . $file; 1660 } 1661 } 1662 1663 /** 1664 * Redirect to the About WordPress page after a successful upgrade. 1665 * 1666 * This function is only needed when the existing installation is older than 3.4.0. 1667 * 1668 * @since 3.3.0 1669 * 1670 * @global string $wp_version The WordPress version string. 1671 * @global string $pagenow The filename of the current screen. 1672 * @global string $action 1673 * 1674 * @param string $new_version 1675 */ 1676 function _redirect_to_about_wordpress( $new_version ) { 1677 global $wp_version, $pagenow, $action; 1678 1679 if ( version_compare( $wp_version, '3.4-RC1', '>=' ) ) { 1680 return; 1681 } 1682 1683 // Ensure we only run this on the update-core.php page. The Core_Upgrader may be used in other contexts. 1684 if ( 'update-core.php' !== $pagenow ) { 1685 return; 1686 } 1687 1688 if ( 'do-core-upgrade' !== $action && 'do-core-reinstall' !== $action ) { 1689 return; 1690 } 1691 1692 // Load the updated default text localization domain for new strings. 1693 load_default_textdomain(); 1694 1695 // See do_core_upgrade(). 1696 show_message( __( 'WordPress updated successfully.' ) ); 1697 1698 // self_admin_url() won't exist when upgrading from <= 3.0, so relative URLs are intentional. 1699 show_message( 1700 '<span class="hide-if-no-js">' . sprintf( 1701 /* translators: 1: WordPress version, 2: URL to About screen. */ 1702 __( 'Welcome to WordPress %1$s. You will be redirected to the About WordPress screen. If not, click <a href="%2$s">here</a>.' ), 1703 $new_version, 1704 'about.php?updated' 1705 ) . '</span>' 1706 ); 1707 show_message( 1708 '<span class="hide-if-js">' . sprintf( 1709 /* translators: 1: WordPress version, 2: URL to About screen. */ 1710 __( 'Welcome to WordPress %1$s. <a href="%2$s">Learn more</a>.' ), 1711 $new_version, 1712 'about.php?updated' 1713 ) . '</span>' 1714 ); 1715 echo '</div>'; 1716 ?> 1717 <script type="text/javascript"> 1718 window.location = 'about.php?updated'; 1719 </script> 1720 <?php 1721 1722 // Include admin-footer.php and exit. 1723 require_once ABSPATH . 'wp-admin/admin-footer.php'; 1724 exit; 1725 } 1726 1727 /** 1728 * Cleans up Genericons example files. 1729 * 1730 * @since 4.2.2 1731 * 1732 * @global string[] $wp_theme_directories 1733 * @global WP_Filesystem_Base $wp_filesystem 1734 */ 1735 function _upgrade_422_remove_genericons() { 1736 global $wp_theme_directories, $wp_filesystem; 1737 1738 // A list of the affected files using the filesystem absolute paths. 1739 $affected_files = array(); 1740 1741 // Themes. 1742 foreach ( $wp_theme_directories as $directory ) { 1743 $affected_theme_files = _upgrade_422_find_genericons_files_in_folder( $directory ); 1744 $affected_files = array_merge( $affected_files, $affected_theme_files ); 1745 } 1746 1747 // Plugins. 1748 $affected_plugin_files = _upgrade_422_find_genericons_files_in_folder( WP_PLUGIN_DIR ); 1749 $affected_files = array_merge( $affected_files, $affected_plugin_files ); 1750 1751 foreach ( $affected_files as $file ) { 1752 $gen_dir = $wp_filesystem->find_folder( trailingslashit( dirname( $file ) ) ); 1753 1754 if ( empty( $gen_dir ) ) { 1755 continue; 1756 } 1757 1758 // The path when the file is accessed via WP_Filesystem may differ in the case of FTP. 1759 $remote_file = $gen_dir . basename( $file ); 1760 1761 if ( ! $wp_filesystem->exists( $remote_file ) ) { 1762 continue; 1763 } 1764 1765 if ( ! $wp_filesystem->delete( $remote_file, false, 'f' ) ) { 1766 $wp_filesystem->put_contents( $remote_file, '' ); 1767 } 1768 } 1769 } 1770 1771 /** 1772 * Recursively find Genericons example files in a given folder. 1773 * 1774 * @ignore 1775 * @since 4.2.2 1776 * 1777 * @param string $directory Directory path. Expects trailingslashed. 1778 * @return string[] 1779 */ 1780 function _upgrade_422_find_genericons_files_in_folder( $directory ) { 1781 $directory = trailingslashit( $directory ); 1782 $files = array(); 1783 1784 if ( file_exists( "{$directory}example.html" ) 1785 /* 1786 * Note: str_contains() is not used here, as this file is included 1787 * when updating from older WordPress versions, in which case 1788 * the polyfills from wp-includes/compat.php may not be available. 1789 */ 1790 && false !== strpos( file_get_contents( "{$directory}example.html" ), '<title>Genericons</title>' ) 1791 ) { 1792 $files[] = "{$directory}example.html"; 1793 } 1794 1795 $dirs = glob( $directory . '*', GLOB_ONLYDIR ); 1796 $dirs = array_filter( 1797 $dirs, 1798 static function ( $dir ) { 1799 /* 1800 * Skip any node_modules directories. 1801 * 1802 * Note: str_contains() is not used here, as this file is included 1803 * when updating from older WordPress versions, in which case 1804 * the polyfills from wp-includes/compat.php may not be available. 1805 */ 1806 return false === strpos( $dir, 'node_modules' ); 1807 } 1808 ); 1809 1810 if ( $dirs ) { 1811 foreach ( $dirs as $dir ) { 1812 $files = array_merge( $files, _upgrade_422_find_genericons_files_in_folder( $dir ) ); 1813 } 1814 } 1815 1816 return $files; 1817 } 1818 1819 /** 1820 * @ignore 1821 * @since 4.4.0 1822 */ 1823 function _upgrade_440_force_deactivate_incompatible_plugins() { 1824 if ( defined( 'REST_API_VERSION' ) && version_compare( REST_API_VERSION, '2.0-beta4', '<=' ) ) { 1825 deactivate_plugins( array( 'rest-api/plugin.php' ), true ); 1826 } 1827 } 1828 1829 /** 1830 * @access private 1831 * @ignore 1832 * @since 5.8.0 1833 * @since 5.9.0 The minimum compatible version of Gutenberg is 11.9. 1834 * @since 6.1.1 The minimum compatible version of Gutenberg is 14.1. 1835 * @since 6.4.0 The minimum compatible version of Gutenberg is 16.5. 1836 * @since 6.5.0 The minimum compatible version of Gutenberg is 17.6. 1837 */ 1838 function _upgrade_core_deactivate_incompatible_plugins() { 1839 if ( defined( 'GUTENBERG_VERSION' ) && version_compare( GUTENBERG_VERSION, '17.6', '<' ) ) { 1840 $deactivated_gutenberg['gutenberg'] = array( 1841 'plugin_name' => 'Gutenberg', 1842 'version_deactivated' => GUTENBERG_VERSION, 1843 'version_compatible' => '17.6', 1844 ); 1845 if ( is_plugin_active_for_network( 'gutenberg/gutenberg.php' ) ) { 1846 $deactivated_plugins = get_site_option( 'wp_force_deactivated_plugins', array() ); 1847 $deactivated_plugins = array_merge( $deactivated_plugins, $deactivated_gutenberg ); 1848 update_site_option( 'wp_force_deactivated_plugins', $deactivated_plugins ); 1849 } else { 1850 $deactivated_plugins = get_option( 'wp_force_deactivated_plugins', array() ); 1851 $deactivated_plugins = array_merge( $deactivated_plugins, $deactivated_gutenberg ); 1852 update_option( 'wp_force_deactivated_plugins', $deactivated_plugins, false ); 1853 } 1854 deactivate_plugins( array( 'gutenberg/gutenberg.php' ), true ); 1855 } 1856 }
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| Generated : Thu Apr 24 08:20:01 2025 | Cross-referenced by PHPXref |