Description: WordPress core upgrade functionality.
1 <?php 2 /** 3 * WordPress core upgrade functionality. 4 * 5 * @package WordPress 6 * @subpackage Administration 7 * @since 2.7.0 8 */ 9 10 /** 11 * Stores files to be deleted. 12 * 13 * @since 2.7.0 14 * @global array $_old_files 15 * @var array 16 * @name $_old_files 17 */ 18 global $_old_files; 19 20 $_old_files = array( 21 // 2.0 22 'wp-admin/import-b2.php', 23 'wp-admin/import-blogger.php', 24 'wp-admin/import-greymatter.php', 25 'wp-admin/import-livejournal.php', 26 'wp-admin/import-mt.php', 27 'wp-admin/import-rss.php', 28 'wp-admin/import-textpattern.php', 29 'wp-admin/quicktags.js', 30 'wp-images/fade-butt.png', 31 'wp-images/get-firefox.png', 32 'wp-images/header-shadow.png', 33 'wp-images/smilies', 34 'wp-images/wp-small.png', 35 'wp-images/wpminilogo.png', 36 'wp.php', 37 // 2.0.8 38 'wp-includes/js/tinymce/plugins/inlinepopups/readme.txt', 39 // 2.1 40 'wp-admin/edit-form-ajax-cat.php', 41 'wp-admin/execute-pings.php', 42 'wp-admin/inline-uploading.php', 43 'wp-admin/link-categories.php', 44 'wp-admin/list-manipulation.js', 45 'wp-admin/list-manipulation.php', 46 'wp-includes/comment-functions.php', 47 'wp-includes/feed-functions.php', 48 'wp-includes/functions-compat.php', 49 'wp-includes/functions-formatting.php', 50 'wp-includes/functions-post.php', 51 'wp-includes/js/dbx-key.js', 52 'wp-includes/js/tinymce/plugins/autosave/langs/cs.js', 53 'wp-includes/js/tinymce/plugins/autosave/langs/sv.js', 54 'wp-includes/links.php', 55 'wp-includes/pluggable-functions.php', 56 'wp-includes/template-functions-author.php', 57 'wp-includes/template-functions-category.php', 58 'wp-includes/template-functions-general.php', 59 'wp-includes/template-functions-links.php', 60 'wp-includes/template-functions-post.php', 61 'wp-includes/wp-l10n.php', 62 // 2.2 63 'wp-admin/cat-js.php', 64 'wp-admin/import/b2.php', 65 'wp-includes/js/autosave-js.php', 66 'wp-includes/js/list-manipulation-js.php', 67 'wp-includes/js/wp-ajax-js.php', 68 // 2.3 69 'wp-admin/admin-db.php', 70 'wp-admin/cat.js', 71 'wp-admin/categories.js', 72 'wp-admin/custom-fields.js', 73 'wp-admin/dbx-admin-key.js', 74 'wp-admin/edit-comments.js', 75 'wp-admin/install-rtl.css', 76 'wp-admin/install.css', 77 'wp-admin/upgrade-schema.php', 78 'wp-admin/upload-functions.php', 79 'wp-admin/upload-rtl.css', 80 'wp-admin/upload.css', 81 'wp-admin/upload.js', 82 'wp-admin/users.js', 83 'wp-admin/widgets-rtl.css', 84 'wp-admin/widgets.css', 85 'wp-admin/xfn.js', 86 'wp-includes/js/tinymce/license.html', 87 // 2.5 88 'wp-admin/css/upload.css', 89 'wp-admin/images/box-bg-left.gif', 90 'wp-admin/images/box-bg-right.gif', 91 'wp-admin/images/box-bg.gif', 92 'wp-admin/images/box-butt-left.gif', 93 'wp-admin/images/box-butt-right.gif', 94 'wp-admin/images/box-butt.gif', 95 'wp-admin/images/box-head-left.gif', 96 'wp-admin/images/box-head-right.gif', 97 'wp-admin/images/box-head.gif', 98 'wp-admin/images/heading-bg.gif', 99 'wp-admin/images/login-bkg-bottom.gif', 100 'wp-admin/images/login-bkg-tile.gif', 101 'wp-admin/images/notice.gif', 102 'wp-admin/images/toggle.gif', 103 'wp-admin/includes/upload.php', 104 'wp-admin/js/dbx-admin-key.js', 105 'wp-admin/js/link-cat.js', 106 'wp-admin/profile-update.php', 107 'wp-admin/templates.php', 108 'wp-includes/images/wlw/WpComments.png', 109 'wp-includes/images/wlw/WpIcon.png', 110 'wp-includes/images/wlw/WpWatermark.png', 111 'wp-includes/js/dbx.js', 112 'wp-includes/js/fat.js', 113 'wp-includes/js/list-manipulation.js', 114 'wp-includes/js/tinymce/langs/en.js', 115 'wp-includes/js/tinymce/plugins/autosave/editor_plugin_src.js', 116 'wp-includes/js/tinymce/plugins/autosave/langs', 117 'wp-includes/js/tinymce/plugins/directionality/images', 118 'wp-includes/js/tinymce/plugins/directionality/langs', 119 'wp-includes/js/tinymce/plugins/inlinepopups/css', 120 'wp-includes/js/tinymce/plugins/inlinepopups/images', 121 'wp-includes/js/tinymce/plugins/inlinepopups/jscripts', 122 'wp-includes/js/tinymce/plugins/paste/images', 123 'wp-includes/js/tinymce/plugins/paste/jscripts', 124 'wp-includes/js/tinymce/plugins/paste/langs', 125 'wp-includes/js/tinymce/plugins/spellchecker/classes/HttpClient.class.php', 126 'wp-includes/js/tinymce/plugins/spellchecker/classes/TinyGoogleSpell.class.php', 127 'wp-includes/js/tinymce/plugins/spellchecker/classes/TinyPspell.class.php', 128 'wp-includes/js/tinymce/plugins/spellchecker/classes/TinyPspellShell.class.php', 129 'wp-includes/js/tinymce/plugins/spellchecker/css/spellchecker.css', 130 'wp-includes/js/tinymce/plugins/spellchecker/images', 131 'wp-includes/js/tinymce/plugins/spellchecker/langs', 132 'wp-includes/js/tinymce/plugins/spellchecker/tinyspell.php', 133 'wp-includes/js/tinymce/plugins/wordpress/images', 134 'wp-includes/js/tinymce/plugins/wordpress/langs', 135 'wp-includes/js/tinymce/plugins/wordpress/wordpress.css', 136 'wp-includes/js/tinymce/plugins/wphelp', 137 'wp-includes/js/tinymce/themes/advanced/css', 138 'wp-includes/js/tinymce/themes/advanced/images', 139 'wp-includes/js/tinymce/themes/advanced/jscripts', 140 'wp-includes/js/tinymce/themes/advanced/langs', 141 // 2.5.1 142 'wp-includes/js/tinymce/tiny_mce_gzip.php', 143 // 2.6 144 'wp-admin/bookmarklet.php', 145 'wp-includes/js/jquery/jquery.dimensions.min.js', 146 'wp-includes/js/tinymce/plugins/wordpress/popups.css', 147 'wp-includes/js/wp-ajax.js', 148 // 2.7 149 'wp-admin/css/press-this-ie-rtl.css', 150 'wp-admin/css/press-this-ie.css', 151 'wp-admin/css/upload-rtl.css', 152 'wp-admin/edit-form.php', 153 'wp-admin/images/comment-pill.gif', 154 'wp-admin/images/comment-stalk-classic.gif', 155 'wp-admin/images/comment-stalk-fresh.gif', 156 'wp-admin/images/comment-stalk-rtl.gif', 157 'wp-admin/images/del.png', 158 'wp-admin/images/gear.png', 159 'wp-admin/images/media-button-gallery.gif', 160 'wp-admin/images/media-buttons.gif', 161 'wp-admin/images/postbox-bg.gif', 162 'wp-admin/images/tab.png', 163 'wp-admin/images/tail.gif', 164 'wp-admin/js/forms.js', 165 'wp-admin/js/upload.js', 166 'wp-admin/link-import.php', 167 'wp-includes/images/audio.png', 168 'wp-includes/images/css.png', 169 'wp-includes/images/default.png', 170 'wp-includes/images/doc.png', 171 'wp-includes/images/exe.png', 172 'wp-includes/images/html.png', 173 'wp-includes/images/js.png', 174 'wp-includes/images/pdf.png', 175 'wp-includes/images/swf.png', 176 'wp-includes/images/tar.png', 177 'wp-includes/images/text.png', 178 'wp-includes/images/video.png', 179 'wp-includes/images/zip.png', 180 'wp-includes/js/tinymce/tiny_mce_config.php', 181 'wp-includes/js/tinymce/tiny_mce_ext.js', 182 // 2.8 183 'wp-admin/js/users.js', 184 'wp-includes/js/swfupload/plugins/swfupload.documentready.js', 185 'wp-includes/js/swfupload/plugins/swfupload.graceful_degradation.js', 186 'wp-includes/js/swfupload/swfupload_f9.swf', 187 'wp-includes/js/tinymce/plugins/autosave', 188 'wp-includes/js/tinymce/plugins/paste/css', 189 'wp-includes/js/tinymce/utils/mclayer.js', 190 'wp-includes/js/tinymce/wordpress.css', 191 // 2.8.5 192 'wp-admin/import/btt.php', 193 'wp-admin/import/jkw.php', 194 // 2.9 195 'wp-admin/js/page.dev.js', 196 'wp-admin/js/page.js', 197 'wp-admin/js/set-post-thumbnail-handler.dev.js', 198 'wp-admin/js/set-post-thumbnail-handler.js', 199 'wp-admin/js/slug.dev.js', 200 'wp-admin/js/slug.js', 201 'wp-includes/gettext.php', 202 'wp-includes/js/tinymce/plugins/wordpress/js', 203 'wp-includes/streams.php', 204 // MU 205 'README.txt', 206 'htaccess.dist', 207 'index-install.php', 208 'wp-admin/css/mu-rtl.css', 209 'wp-admin/css/mu.css', 210 'wp-admin/images/site-admin.png', 211 'wp-admin/includes/mu.php', 212 'wp-admin/wpmu-admin.php', 213 'wp-admin/wpmu-blogs.php', 214 'wp-admin/wpmu-edit.php', 215 'wp-admin/wpmu-options.php', 216 'wp-admin/wpmu-themes.php', 217 'wp-admin/wpmu-upgrade-site.php', 218 'wp-admin/wpmu-users.php', 219 'wp-includes/images/wordpress-mu.png', 220 'wp-includes/wpmu-default-filters.php', 221 'wp-includes/wpmu-functions.php', 222 'wpmu-settings.php', 223 // 3.0 224 'wp-admin/categories.php', 225 'wp-admin/edit-category-form.php', 226 'wp-admin/edit-page-form.php', 227 'wp-admin/edit-pages.php', 228 'wp-admin/images/admin-header-footer.png', 229 'wp-admin/images/browse-happy.gif', 230 'wp-admin/images/ico-add.png', 231 'wp-admin/images/ico-close.png', 232 'wp-admin/images/ico-edit.png', 233 'wp-admin/images/ico-viewpage.png', 234 'wp-admin/images/fav-top.png', 235 'wp-admin/images/screen-options-left.gif', 236 'wp-admin/images/wp-logo-vs.gif', 237 'wp-admin/images/wp-logo.gif', 238 'wp-admin/import', 239 'wp-admin/js/wp-gears.dev.js', 240 'wp-admin/js/wp-gears.js', 241 'wp-admin/options-misc.php', 242 'wp-admin/page-new.php', 243 'wp-admin/page.php', 244 'wp-admin/rtl.css', 245 'wp-admin/rtl.dev.css', 246 'wp-admin/update-links.php', 247 'wp-admin/wp-admin.css', 248 'wp-admin/wp-admin.dev.css', 249 'wp-includes/js/codepress', 250 'wp-includes/js/codepress/engines/khtml.js', 251 'wp-includes/js/codepress/engines/older.js', 252 'wp-includes/js/jquery/autocomplete.dev.js', 253 'wp-includes/js/jquery/autocomplete.js', 254 'wp-includes/js/jquery/interface.js', 255 'wp-includes/js/scriptaculous/prototype.js', 256 'wp-includes/js/tinymce/wp-tinymce.js', 257 // 3.1 258 'wp-admin/edit-attachment-rows.php', 259 'wp-admin/edit-link-categories.php', 260 'wp-admin/edit-link-category-form.php', 261 'wp-admin/edit-post-rows.php', 262 'wp-admin/images/button-grad-active-vs.png', 263 'wp-admin/images/button-grad-vs.png', 264 'wp-admin/images/fav-arrow-vs-rtl.gif', 265 'wp-admin/images/fav-arrow-vs.gif', 266 'wp-admin/images/fav-top-vs.gif', 267 'wp-admin/images/list-vs.png', 268 'wp-admin/images/screen-options-right-up.gif', 269 'wp-admin/images/screen-options-right.gif', 270 'wp-admin/images/visit-site-button-grad-vs.gif', 271 'wp-admin/images/visit-site-button-grad.gif', 272 'wp-admin/link-category.php', 273 'wp-admin/sidebar.php', 274 'wp-includes/classes.php', 275 'wp-includes/js/tinymce/blank.htm', 276 'wp-includes/js/tinymce/plugins/media/css/content.css', 277 'wp-includes/js/tinymce/plugins/media/img', 278 'wp-includes/js/tinymce/plugins/safari', 279 // 3.2 280 'wp-admin/images/logo-login.gif', 281 'wp-admin/images/star.gif', 282 'wp-admin/js/list-table.dev.js', 283 'wp-admin/js/list-table.js', 284 'wp-includes/default-embeds.php', 285 'wp-includes/js/tinymce/plugins/wordpress/img/help.gif', 286 'wp-includes/js/tinymce/plugins/wordpress/img/more.gif', 287 'wp-includes/js/tinymce/plugins/wordpress/img/toolbars.gif', 288 'wp-includes/js/tinymce/themes/advanced/img/fm.gif', 289 'wp-includes/js/tinymce/themes/advanced/img/sflogo.png', 290 // 3.3 291 'wp-admin/css/colors-classic-rtl.css', 292 'wp-admin/css/colors-classic-rtl.dev.css', 293 'wp-admin/css/colors-fresh-rtl.css', 294 'wp-admin/css/colors-fresh-rtl.dev.css', 295 'wp-admin/css/dashboard-rtl.css', 296 'wp-admin/css/dashboard-rtl.dev.css', 297 'wp-admin/css/dashboard.css', 298 'wp-admin/css/dashboard.dev.css', 299 'wp-admin/css/farbtastic-rtl.css', 300 'wp-admin/css/global-rtl.css', 301 'wp-admin/css/global-rtl.dev.css', 302 'wp-admin/css/global.css', 303 'wp-admin/css/global.dev.css', 304 'wp-admin/css/install-rtl.css', 305 'wp-admin/css/install-rtl.dev.css', 306 'wp-admin/css/login-rtl.css', 307 'wp-admin/css/login-rtl.dev.css', 308 'wp-admin/css/login.css', 309 'wp-admin/css/login.dev.css', 310 'wp-admin/css/ms.css', 311 'wp-admin/css/ms.dev.css', 312 'wp-admin/css/nav-menu-rtl.css', 313 'wp-admin/css/nav-menu-rtl.dev.css', 314 'wp-admin/css/nav-menu.css', 315 'wp-admin/css/nav-menu.dev.css', 316 'wp-admin/css/plugin-install-rtl.css', 317 'wp-admin/css/plugin-install-rtl.dev.css', 318 'wp-admin/css/plugin-install.css', 319 'wp-admin/css/plugin-install.dev.css', 320 'wp-admin/css/press-this-rtl.css', 321 'wp-admin/css/press-this-rtl.dev.css', 322 'wp-admin/css/press-this.css', 323 'wp-admin/css/press-this.dev.css', 324 'wp-admin/css/theme-editor-rtl.css', 325 'wp-admin/css/theme-editor-rtl.dev.css', 326 'wp-admin/css/theme-editor.css', 327 'wp-admin/css/theme-editor.dev.css', 328 'wp-admin/css/theme-install-rtl.css', 329 'wp-admin/css/theme-install-rtl.dev.css', 330 'wp-admin/css/theme-install.css', 331 'wp-admin/css/theme-install.dev.css', 332 'wp-admin/css/widgets-rtl.css', 333 'wp-admin/css/widgets-rtl.dev.css', 334 'wp-admin/css/widgets.css', 335 'wp-admin/css/widgets.dev.css', 336 'wp-admin/includes/internal-linking.php', 337 'wp-includes/images/admin-bar-sprite-rtl.png', 338 'wp-includes/js/jquery/ui.button.js', 339 'wp-includes/js/jquery/ui.core.js', 340 'wp-includes/js/jquery/ui.dialog.js', 341 'wp-includes/js/jquery/ui.draggable.js', 342 'wp-includes/js/jquery/ui.droppable.js', 343 'wp-includes/js/jquery/ui.mouse.js', 344 'wp-includes/js/jquery/ui.position.js', 345 'wp-includes/js/jquery/ui.resizable.js', 346 'wp-includes/js/jquery/ui.selectable.js', 347 'wp-includes/js/jquery/ui.sortable.js', 348 'wp-includes/js/jquery/ui.tabs.js', 349 'wp-includes/js/jquery/ui.widget.js', 350 'wp-includes/js/l10n.dev.js', 351 'wp-includes/js/l10n.js', 352 'wp-includes/js/tinymce/plugins/wplink/css', 353 'wp-includes/js/tinymce/plugins/wplink/img', 354 'wp-includes/js/tinymce/plugins/wplink/js', 355 'wp-includes/js/tinymce/themes/advanced/img/wpicons.png', 356 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/butt2.png', 357 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/button_bg.png', 358 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/down_arrow.gif', 359 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/fade-butt.png', 360 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/separator.gif', 361 // Don't delete, yet: 'wp-rss.php', 362 // Don't delete, yet: 'wp-rdf.php', 363 // Don't delete, yet: 'wp-rss2.php', 364 // Don't delete, yet: 'wp-commentsrss2.php', 365 // Don't delete, yet: 'wp-atom.php', 366 // Don't delete, yet: 'wp-feed.php', 367 // 3.4 368 'wp-admin/images/gray-star.png', 369 'wp-admin/images/logo-login.png', 370 'wp-admin/images/star.png', 371 'wp-admin/index-extra.php', 372 'wp-admin/network/index-extra.php', 373 'wp-admin/user/index-extra.php', 374 'wp-admin/images/screenshots/admin-flyouts.png', 375 'wp-admin/images/screenshots/coediting.png', 376 'wp-admin/images/screenshots/drag-and-drop.png', 377 'wp-admin/images/screenshots/help-screen.png', 378 'wp-admin/images/screenshots/media-icon.png', 379 'wp-admin/images/screenshots/new-feature-pointer.png', 380 'wp-admin/images/screenshots/welcome-screen.png', 381 'wp-includes/css/editor-buttons.css', 382 'wp-includes/css/editor-buttons.dev.css', 383 'wp-includes/js/tinymce/plugins/paste/blank.htm', 384 'wp-includes/js/tinymce/plugins/wordpress/css', 385 'wp-includes/js/tinymce/plugins/wordpress/editor_plugin.dev.js', 386 'wp-includes/js/tinymce/plugins/wordpress/img/embedded.png', 387 'wp-includes/js/tinymce/plugins/wordpress/img/more_bug.gif', 388 'wp-includes/js/tinymce/plugins/wordpress/img/page_bug.gif', 389 'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin.dev.js', 390 'wp-includes/js/tinymce/plugins/wpeditimage/css/editimage-rtl.css', 391 'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin.dev.js', 392 'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin.dev.js', 393 'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.dev.js', 394 'wp-includes/js/tinymce/plugins/wpgallery/img/gallery.png', 395 'wp-includes/js/tinymce/plugins/wplink/editor_plugin.dev.js', 396 // Don't delete, yet: 'wp-pass.php', 397 // Don't delete, yet: 'wp-register.php', 398 // 3.5 399 'wp-admin/gears-manifest.php', 400 'wp-admin/includes/manifest.php', 401 'wp-admin/images/archive-link.png', 402 'wp-admin/images/blue-grad.png', 403 'wp-admin/images/button-grad-active.png', 404 'wp-admin/images/button-grad.png', 405 'wp-admin/images/ed-bg-vs.gif', 406 'wp-admin/images/ed-bg.gif', 407 'wp-admin/images/fade-butt.png', 408 'wp-admin/images/fav-arrow-rtl.gif', 409 'wp-admin/images/fav-arrow.gif', 410 'wp-admin/images/fav-vs.png', 411 'wp-admin/images/fav.png', 412 'wp-admin/images/gray-grad.png', 413 'wp-admin/images/loading-publish.gif', 414 'wp-admin/images/logo-ghost.png', 415 'wp-admin/images/logo.gif', 416 'wp-admin/images/menu-arrow-frame-rtl.png', 417 'wp-admin/images/menu-arrow-frame.png', 418 'wp-admin/images/menu-arrows.gif', 419 'wp-admin/images/menu-bits-rtl-vs.gif', 420 'wp-admin/images/menu-bits-rtl.gif', 421 'wp-admin/images/menu-bits-vs.gif', 422 'wp-admin/images/menu-bits.gif', 423 'wp-admin/images/menu-dark-rtl-vs.gif', 424 'wp-admin/images/menu-dark-rtl.gif', 425 'wp-admin/images/menu-dark-vs.gif', 426 'wp-admin/images/menu-dark.gif', 427 'wp-admin/images/required.gif', 428 'wp-admin/images/screen-options-toggle-vs.gif', 429 'wp-admin/images/screen-options-toggle.gif', 430 'wp-admin/images/toggle-arrow-rtl.gif', 431 'wp-admin/images/toggle-arrow.gif', 432 'wp-admin/images/upload-classic.png', 433 'wp-admin/images/upload-fresh.png', 434 'wp-admin/images/white-grad-active.png', 435 'wp-admin/images/white-grad.png', 436 'wp-admin/images/widgets-arrow-vs.gif', 437 'wp-admin/images/widgets-arrow.gif', 438 'wp-admin/images/wpspin_dark.gif', 439 'wp-includes/images/upload.png', 440 'wp-includes/js/prototype.js', 441 'wp-includes/js/scriptaculous', 442 'wp-admin/css/wp-admin-rtl.dev.css', 443 'wp-admin/css/wp-admin.dev.css', 444 'wp-admin/css/media-rtl.dev.css', 445 'wp-admin/css/media.dev.css', 446 'wp-admin/css/colors-classic.dev.css', 447 'wp-admin/css/customize-controls-rtl.dev.css', 448 'wp-admin/css/customize-controls.dev.css', 449 'wp-admin/css/ie-rtl.dev.css', 450 'wp-admin/css/ie.dev.css', 451 'wp-admin/css/install.dev.css', 452 'wp-admin/css/colors-fresh.dev.css', 453 'wp-includes/js/customize-base.dev.js', 454 'wp-includes/js/json2.dev.js', 455 'wp-includes/js/comment-reply.dev.js', 456 'wp-includes/js/customize-preview.dev.js', 457 'wp-includes/js/wplink.dev.js', 458 'wp-includes/js/tw-sack.dev.js', 459 'wp-includes/js/wp-list-revisions.dev.js', 460 'wp-includes/js/autosave.dev.js', 461 'wp-includes/js/admin-bar.dev.js', 462 'wp-includes/js/quicktags.dev.js', 463 'wp-includes/js/wp-ajax-response.dev.js', 464 'wp-includes/js/wp-pointer.dev.js', 465 'wp-includes/js/hoverIntent.dev.js', 466 'wp-includes/js/colorpicker.dev.js', 467 'wp-includes/js/wp-lists.dev.js', 468 'wp-includes/js/customize-loader.dev.js', 469 'wp-includes/js/jquery/jquery.table-hotkeys.dev.js', 470 'wp-includes/js/jquery/jquery.color.dev.js', 471 'wp-includes/js/jquery/jquery.color.js', 472 'wp-includes/js/jquery/jquery.hotkeys.dev.js', 473 'wp-includes/js/jquery/jquery.form.dev.js', 474 'wp-includes/js/jquery/suggest.dev.js', 475 'wp-admin/js/xfn.dev.js', 476 'wp-admin/js/set-post-thumbnail.dev.js', 477 'wp-admin/js/comment.dev.js', 478 'wp-admin/js/theme.dev.js', 479 'wp-admin/js/cat.dev.js', 480 'wp-admin/js/password-strength-meter.dev.js', 481 'wp-admin/js/user-profile.dev.js', 482 'wp-admin/js/theme-preview.dev.js', 483 'wp-admin/js/post.dev.js', 484 'wp-admin/js/media-upload.dev.js', 485 'wp-admin/js/word-count.dev.js', 486 'wp-admin/js/plugin-install.dev.js', 487 'wp-admin/js/edit-comments.dev.js', 488 'wp-admin/js/media-gallery.dev.js', 489 'wp-admin/js/custom-fields.dev.js', 490 'wp-admin/js/custom-background.dev.js', 491 'wp-admin/js/common.dev.js', 492 'wp-admin/js/inline-edit-tax.dev.js', 493 'wp-admin/js/gallery.dev.js', 494 'wp-admin/js/utils.dev.js', 495 'wp-admin/js/widgets.dev.js', 496 'wp-admin/js/wp-fullscreen.dev.js', 497 'wp-admin/js/nav-menu.dev.js', 498 'wp-admin/js/dashboard.dev.js', 499 'wp-admin/js/link.dev.js', 500 'wp-admin/js/user-suggest.dev.js', 501 'wp-admin/js/postbox.dev.js', 502 'wp-admin/js/tags.dev.js', 503 'wp-admin/js/image-edit.dev.js', 504 'wp-admin/js/media.dev.js', 505 'wp-admin/js/customize-controls.dev.js', 506 'wp-admin/js/inline-edit-post.dev.js', 507 'wp-admin/js/categories.dev.js', 508 'wp-admin/js/editor.dev.js', 509 'wp-includes/js/tinymce/plugins/wpeditimage/js/editimage.dev.js', 510 'wp-includes/js/tinymce/plugins/wpdialogs/js/popup.dev.js', 511 'wp-includes/js/tinymce/plugins/wpdialogs/js/wpdialog.dev.js', 512 'wp-includes/js/plupload/handlers.dev.js', 513 'wp-includes/js/plupload/wp-plupload.dev.js', 514 'wp-includes/js/swfupload/handlers.dev.js', 515 'wp-includes/js/jcrop/jquery.Jcrop.dev.js', 516 'wp-includes/js/jcrop/jquery.Jcrop.js', 517 'wp-includes/js/jcrop/jquery.Jcrop.css', 518 'wp-includes/js/imgareaselect/jquery.imgareaselect.dev.js', 519 'wp-includes/css/wp-pointer.dev.css', 520 'wp-includes/css/editor.dev.css', 521 'wp-includes/css/jquery-ui-dialog.dev.css', 522 'wp-includes/css/admin-bar-rtl.dev.css', 523 'wp-includes/css/admin-bar.dev.css', 524 'wp-includes/js/jquery/ui/jquery.effects.clip.min.js', 525 'wp-includes/js/jquery/ui/jquery.effects.scale.min.js', 526 'wp-includes/js/jquery/ui/jquery.effects.blind.min.js', 527 'wp-includes/js/jquery/ui/jquery.effects.core.min.js', 528 'wp-includes/js/jquery/ui/jquery.effects.shake.min.js', 529 'wp-includes/js/jquery/ui/jquery.effects.fade.min.js', 530 'wp-includes/js/jquery/ui/jquery.effects.explode.min.js', 531 'wp-includes/js/jquery/ui/jquery.effects.slide.min.js', 532 'wp-includes/js/jquery/ui/jquery.effects.drop.min.js', 533 'wp-includes/js/jquery/ui/jquery.effects.highlight.min.js', 534 'wp-includes/js/jquery/ui/jquery.effects.bounce.min.js', 535 'wp-includes/js/jquery/ui/jquery.effects.pulsate.min.js', 536 'wp-includes/js/jquery/ui/jquery.effects.transfer.min.js', 537 'wp-includes/js/jquery/ui/jquery.effects.fold.min.js', 538 ); 539 540 /** 541 * Stores new files in wp-content to copy 542 * 543 * The contents of this array indicate any new bundled plugins/themes which 544 * should be installed with the WordPress Upgrade. These items will not be 545 * re-installed in future upgrades, this behaviour is controlled by the 546 * introduced version present here being older than the current installed version. 547 * 548 * The content of this array should follow the following format: 549 * Filename (relative to wp-content) => Introduced version 550 * Directories should be noted by suffixing it with a trailing slash (/) 551 * 552 * @since 3.2.0 553 * @global array $_new_bundled_files 554 * @var array 555 * @name $_new_bundled_files 556 */ 557 global $_new_bundled_files; 558 559 $_new_bundled_files = array( 560 'plugins/akismet/' => '2.0', 561 'themes/twentyten/' => '3.0', 562 'themes/twentyeleven/' => '3.2', 563 'themes/twentytwelve/' => '3.5', 564 ); 565 566 /** 567 * Upgrade the core of WordPress. 568 * 569 * This will create a .maintenance file at the base of the WordPress directory 570 * to ensure that people can not access the web site, when the files are being 571 * copied to their locations. 572 * 573 * The files in the {@link $_old_files} list will be removed and the new files 574 * copied from the zip file after the database is upgraded. 575 * 576 * The files in the {@link $_new_bundled_files} list will be added to the installation 577 * if the version is greater than or equal to the old version being upgraded. 578 * 579 * The steps for the upgrader for after the new release is downloaded and 580 * unzipped is: 581 * 1. Test unzipped location for select files to ensure that unzipped worked. 582 * 2. Create the .maintenance file in current WordPress base. 583 * 3. Copy new WordPress directory over old WordPress files. 584 * 4. Upgrade WordPress to new version. 585 * 4.1. Copy all files/folders other than wp-content 586 * 4.2. Copy any language files to WP_LANG_DIR (which may differ from WP_CONTENT_DIR 587 * 4.3. Copy any new bundled themes/plugins to their respective locations 588 * 5. Delete new WordPress directory path. 589 * 6. Delete .maintenance file. 590 * 7. Remove old files. 591 * 8. Delete 'update_core' option. 592 * 593 * There are several areas of failure. For instance if PHP times out before step 594 * 6, then you will not be able to access any portion of your site. Also, since 595 * the upgrade will not continue where it left off, you will not be able to 596 * automatically remove old files and remove the 'update_core' option. This 597 * isn't that bad. 598 * 599 * If the copy of the new WordPress over the old fails, then the worse is that 600 * the new WordPress directory will remain. 601 * 602 * If it is assumed that every file will be copied over, including plugins and 603 * themes, then if you edit the default theme, you should rename it, so that 604 * your changes remain. 605 * 606 * @since 2.7.0 607 * 608 * @param string $from New release unzipped path. 609 * @param string $to Path to old WordPress installation. 610 * @return WP_Error|null WP_Error on failure, null on success. 611 */ 612 function update_core($from, $to) { 613 global $wp_filesystem, $_old_files, $_new_bundled_files, $wpdb; 614 615 @set_time_limit( 300 ); 616 617 // Sanity check the unzipped distribution 618 apply_filters( 'update_feedback', __('Verifying the unpacked files…') ); 619 $distro = ''; 620 $roots = array( '/wordpress/', '/wordpress-mu/' ); 621 foreach ( $roots as $root ) { 622 if ( $wp_filesystem->exists( $from . $root . 'readme.html' ) && $wp_filesystem->exists( $from . $root . 'wp-includes/version.php' ) ) { 623 $distro = $root; 624 break; 625 } 626 } 627 if ( ! $distro ) { 628 $wp_filesystem->delete( $from, true ); 629 return new WP_Error( 'insane_distro', __('The update could not be unpacked') ); 630 } 631 632 // Import $wp_version, $required_php_version, and $required_mysql_version from the new version 633 $versions_file = $wp_filesystem->wp_content_dir() . 'upgrade/version-current.php'; 634 if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $versions_file ) ) { 635 $wp_filesystem->delete( $from, true ); 636 return new WP_Error( 'copy_failed', __('Could not copy file.') ); 637 } 638 639 $wp_filesystem->chmod( $versions_file, FS_CHMOD_FILE ); 640 require_once( WP_CONTENT_DIR . '/upgrade/version-current.php' ); 641 $wp_filesystem->delete( $versions_file ); 642 643 $php_version = phpversion(); 644 $mysql_version = $wpdb->db_version(); 645 $old_wp_version = $GLOBALS['wp_version']; // The version of WordPress we're updating from 646 $development_build = ( false !== strpos( $old_wp_version . $wp_version, '-' ) ); // a dash in the version indicates a Development release 647 $php_compat = version_compare( $php_version, $required_php_version, '>=' ); 648 if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) 649 $mysql_compat = true; 650 else 651 $mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' ); 652 653 if ( !$mysql_compat || !$php_compat ) 654 $wp_filesystem->delete($from, true); 655 656 if ( !$mysql_compat && !$php_compat ) 657 return new WP_Error( 'php_mysql_not_compatible', sprintf( __('The update cannot be installed because WordPress %1$s requires PHP version %2$s or higher and MySQL version %3$s or higher. You are running PHP version %4$s and MySQL version %5$s.'), $wp_version, $required_php_version, $required_mysql_version, $php_version, $mysql_version ) ); 658 elseif ( !$php_compat ) 659 return new WP_Error( 'php_not_compatible', sprintf( __('The update cannot be installed because WordPress %1$s requires PHP version %2$s or higher. You are running version %3$s.'), $wp_version, $required_php_version, $php_version ) ); 660 elseif ( !$mysql_compat ) 661 return new WP_Error( 'mysql_not_compatible', sprintf( __('The update cannot be installed because WordPress %1$s requires MySQL version %2$s or higher. You are running version %3$s.'), $wp_version, $required_mysql_version, $mysql_version ) ); 662 663 apply_filters('update_feedback', __('Installing the latest version…')); 664 665 // Create maintenance file to signal that we are upgrading 666 $maintenance_string = '<?php $upgrading = ' . time() . '; ?>'; 667 $maintenance_file = $to . '.maintenance'; 668 $wp_filesystem->delete($maintenance_file); 669 $wp_filesystem->put_contents($maintenance_file, $maintenance_string, FS_CHMOD_FILE); 670 671 // Copy new versions of WP files into place. 672 $result = _copy_dir($from . $distro, $to, array('wp-content') ); 673 674 // Custom Content Directory needs updating now. 675 // Copy Languages 676 if ( !is_wp_error($result) && $wp_filesystem->is_dir($from . $distro . 'wp-content/languages') ) { 677 if ( WP_LANG_DIR != ABSPATH . WPINC . '/languages' || @is_dir(WP_LANG_DIR) ) 678 $lang_dir = WP_LANG_DIR; 679 else 680 $lang_dir = WP_CONTENT_DIR . '/languages'; 681 682 if ( !@is_dir($lang_dir) && 0 === strpos($lang_dir, ABSPATH) ) { // Check the language directory exists first 683 $wp_filesystem->mkdir($to . str_replace(ABSPATH, '', $lang_dir), FS_CHMOD_DIR); // If it's within the ABSPATH we can handle it here, otherwise they're out of luck. 684 clearstatcache(); // for FTP, Need to clear the stat cache 685 } 686 687 if ( @is_dir($lang_dir) ) { 688 $wp_lang_dir = $wp_filesystem->find_folder($lang_dir); 689 if ( $wp_lang_dir ) 690 $result = copy_dir($from . $distro . 'wp-content/languages/', $wp_lang_dir); 691 } 692 } 693 694 // Copy New bundled plugins & themes 695 // This gives us the ability to install new plugins & themes bundled with future versions of WordPress whilst avoiding the re-install upon upgrade issue. 696 // $development_build controls us overwriting bundled themes and plugins when a non-stable release is being updated 697 if ( !is_wp_error($result) && ( ! defined('CORE_UPGRADE_SKIP_NEW_BUNDLED') || ! CORE_UPGRADE_SKIP_NEW_BUNDLED ) ) { 698 foreach ( (array) $_new_bundled_files as $file => $introduced_version ) { 699 // If a $development_build or if $introduced version is greater than what the site was previously running 700 if ( $development_build || version_compare( $introduced_version, $old_wp_version, '>' ) ) { 701 $directory = ('/' == $file[ strlen($file)-1 ]); 702 list($type, $filename) = explode('/', $file, 2); 703 704 if ( 'plugins' == $type ) 705 $dest = $wp_filesystem->wp_plugins_dir(); 706 elseif ( 'themes' == $type ) 707 $dest = trailingslashit($wp_filesystem->wp_themes_dir()); // Back-compat, ::wp_themes_dir() did not return trailingslash'd pre-3.2 708 else 709 continue; 710 711 if ( ! $directory ) { 712 if ( ! $development_build && $wp_filesystem->exists( $dest . $filename ) ) 713 continue; 714 715 if ( ! $wp_filesystem->copy($from . $distro . 'wp-content/' . $file, $dest . $filename, FS_CHMOD_FILE) ) 716 $result = new WP_Error('copy_failed', __('Could not copy file.'), $dest . $filename); 717 } else { 718 if ( ! $development_build && $wp_filesystem->is_dir( $dest . $filename ) ) 719 continue; 720 721 $wp_filesystem->mkdir($dest . $filename, FS_CHMOD_DIR); 722 $_result = copy_dir( $from . $distro . 'wp-content/' . $file, $dest . $filename); 723 if ( is_wp_error($_result) ) //If a error occurs partway through this final step, keep the error flowing through, but keep process going. 724 $result = $_result; 725 } 726 } 727 } //end foreach 728 } 729 730 // Handle $result error from the above blocks 731 if ( is_wp_error($result) ) { 732 $wp_filesystem->delete($maintenance_file); 733 $wp_filesystem->delete($from, true); 734 return $result; 735 } 736 737 // Remove old files 738 foreach ( $_old_files as $old_file ) { 739 $old_file = $to . $old_file; 740 if ( !$wp_filesystem->exists($old_file) ) 741 continue; 742 $wp_filesystem->delete($old_file, true); 743 } 744 745 // Upgrade DB with separate request 746 apply_filters('update_feedback', __('Upgrading database…')); 747 $db_upgrade_url = admin_url('upgrade.php?step=upgrade_db'); 748 wp_remote_post($db_upgrade_url, array('timeout' => 60)); 749 750 // Remove working directory 751 $wp_filesystem->delete($from, true); 752 753 // Force refresh of update information 754 if ( function_exists('delete_site_transient') ) 755 delete_site_transient('update_core'); 756 else 757 delete_option('update_core'); 758 759 // Remove maintenance file, we're done. 760 $wp_filesystem->delete($maintenance_file); 761 762 // If we made it this far: 763 do_action( '_core_updated_successfully', $wp_version ); 764 765 return $wp_version; 766 } 767 768 /** 769 * Copies a directory from one location to another via the WordPress Filesystem Abstraction. 770 * Assumes that WP_Filesystem() has already been called and setup. 771 * 772 * This is a temporary function for the 3.1 -> 3.2 upgrade only and will be removed in 3.3 773 * 774 * @ignore 775 * @since 3.2.0 776 * @see copy_dir() 777 * 778 * @param string $from source directory 779 * @param string $to destination directory 780 * @param array $skip_list a list of files/folders to skip copying 781 * @return mixed WP_Error on failure, True on success. 782 */ 783 function _copy_dir($from, $to, $skip_list = array() ) { 784 global $wp_filesystem; 785 786 $dirlist = $wp_filesystem->dirlist($from); 787 788 $from = trailingslashit($from); 789 $to = trailingslashit($to); 790 791 $skip_regex = ''; 792 foreach ( (array)$skip_list as $key => $skip_file ) 793 $skip_regex .= preg_quote($skip_file, '!') . '|'; 794 795 if ( !empty($skip_regex) ) 796 $skip_regex = '!(' . rtrim($skip_regex, '|') . ')$!i'; 797 798 foreach ( (array) $dirlist as $filename => $fileinfo ) { 799 if ( !empty($skip_regex) ) 800 if ( preg_match($skip_regex, $from . $filename) ) 801 continue; 802 803 if ( 'f' == $fileinfo['type'] ) { 804 if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) ) { 805 // If copy failed, chmod file to 0644 and try again. 806 $wp_filesystem->chmod($to . $filename, 0644); 807 if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) ) 808 return new WP_Error('copy_failed', __('Could not copy file.'), $to . $filename); 809 } 810 } elseif ( 'd' == $fileinfo['type'] ) { 811 if ( !$wp_filesystem->is_dir($to . $filename) ) { 812 if ( !$wp_filesystem->mkdir($to . $filename, FS_CHMOD_DIR) ) 813 return new WP_Error('mkdir_failed', __('Could not create directory.'), $to . $filename); 814 } 815 $result = _copy_dir($from . $filename, $to . $filename, $skip_list); 816 if ( is_wp_error($result) ) 817 return $result; 818 } 819 } 820 return true; 821 } 822 823 /** 824 * Redirect to the About WordPress page after a successful upgrade. 825 * 826 * This function is only needed when the existing install is older than 3.4.0. 827 * 828 * @since 3.3.0 829 * 830 */ 831 function _redirect_to_about_wordpress( $new_version ) { 832 global $wp_version, $pagenow, $action; 833 834 if ( version_compare( $wp_version, '3.4-RC1', '>=' ) ) 835 return; 836 837 // Ensure we only run this on the update-core.php page. wp_update_core() could be called in other contexts. 838 if ( 'update-core.php' != $pagenow ) 839 return; 840 841 if ( 'do-core-upgrade' != $action && 'do-core-reinstall' != $action ) 842 return; 843 844 // Load the updated default text localization domain for new strings 845 load_default_textdomain(); 846 847 // See do_core_upgrade() 848 show_message( __('WordPress updated successfully') ); 849 850 // self_admin_url() won't exist when upgrading from <= 3.0, so relative URLs are intentional. 851 show_message( '<span class="hide-if-no-js">' . sprintf( __( 'Welcome to WordPress %1$s. You will be redirected to the About WordPress screen. If not, click <a href="%2$s">here</a>.' ), $new_version, 'about.php?updated' ) . '</span>' ); 852 show_message( '<span class="hide-if-js">' . sprintf( __( 'Welcome to WordPress %1$s. <a href="%2$s">Learn more</a>.' ), $new_version, 'about.php?updated' ) . '</span>' ); 853 echo '</div>'; 854 ?> 855 <script type="text/javascript"> 856 window.location = 'about.php?updated'; 857 </script> 858 <?php 859 860 // Include admin-footer.php and exit 861 include (ABSPATH . 'wp-admin/admin-footer.php'); 862 exit(); 863 } 864 add_action( '_core_updated_successfully', '_redirect_to_about_wordpress' );
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