wp-admin/includes/update-core.php

   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 'wp-admin/images/screenshots/captions-1.png',
 539 'wp-admin/images/screenshots/captions-2.png',
 540 'wp-admin/images/screenshots/flex-header-1.png',
 541 'wp-admin/images/screenshots/flex-header-2.png',
 542 'wp-admin/images/screenshots/flex-header-3.png',
 543 'wp-admin/images/screenshots/flex-header-media-library.png',
 544 'wp-admin/images/screenshots/theme-customizer.png',
 545 'wp-admin/images/screenshots/twitter-embed-1.png',
 546 'wp-admin/images/screenshots/twitter-embed-2.png',
 547 'wp-admin/js/utils.js',
 548 'wp-admin/options-privacy.php',
 549 'wp-app.php',
 550 'wp-includes/class-wp-atom-server.php',
 551 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/ui.css',
 552 // 3.5.2
 553 'wp-includes/js/swfupload/swfupload-all.js',
 554 // 3.6
 555 'wp-admin/js/revisions-js.php',
 556 'wp-admin/images/screenshots',
 557 );
 558
 559 /**
 560  * Stores new files in wp-content to copy
 561  *
 562  * The contents of this array indicate any new bundled plugins/themes which
 563  * should be installed with the WordPress Upgrade. These items will not be
 564  * re-installed in future upgrades, this behaviour is controlled by the
 565  * introduced version present here being older than the current installed version.
 566  *
 567  * The content of this array should follow the following format:
 568  * Filename (relative to wp-content) => Introduced version
 569  * Directories should be noted by suffixing it with a trailing slash (/)
 570  *
 571  * @since 3.2.0
 572  * @global array $_new_bundled_files
 573  * @var array
 574  * @name $_new_bundled_files
 575  */
 576 global $_new_bundled_files;
 577
 578 $_new_bundled_files = array(
 579         'plugins/akismet/'       => '2.0',
 580         'themes/twentyten/'      => '3.0',
 581         'themes/twentyeleven/'   => '3.2',
 582         'themes/twentytwelve/'   => '3.5',
 583         'themes/twentythirteen/' => '3.6',
 584 );
 585
 586 /**
 587  * Upgrade the core of WordPress.
 588  *
 589  * This will create a .maintenance file at the base of the WordPress directory
 590  * to ensure that people can not access the web site, when the files are being
 591  * copied to their locations.
 592  *
 593  * The files in the {@link $_old_files} list will be removed and the new files
 594  * copied from the zip file after the database is upgraded.
 595  *
 596  * The files in the {@link $_new_bundled_files} list will be added to the installation
 597  * if the version is greater than or equal to the old version being upgraded.
 598  *
 599  * The steps for the upgrader for after the new release is downloaded and
 600  * unzipped is:
 601  *   1. Test unzipped location for select files to ensure that unzipped worked.
 602  *   2. Create the .maintenance file in current WordPress base.
 603  *   3. Copy new WordPress directory over old WordPress files.
 604  *   4. Upgrade WordPress to new version.
 605  *     4.1. Copy all files/folders other than wp-content
 606  *     4.2. Copy any language files to WP_LANG_DIR (which may differ from WP_CONTENT_DIR
 607  *     4.3. Copy any new bundled themes/plugins to their respective locations
 608  *   5. Delete new WordPress directory path.
 609  *   6. Delete .maintenance file.
 610  *   7. Remove old files.
 611  *   8. Delete 'update_core' option.
 612  *
 613  * There are several areas of failure. For instance if PHP times out before step
 614  * 6, then you will not be able to access any portion of your site. Also, since
 615  * the upgrade will not continue where it left off, you will not be able to
 616  * automatically remove old files and remove the 'update_core' option. This
 617  * isn't that bad.
 618  *
 619  * If the copy of the new WordPress over the old fails, then the worse is that
 620  * the new WordPress directory will remain.
 621  *
 622  * If it is assumed that every file will be copied over, including plugins and
 623  * themes, then if you edit the default theme, you should rename it, so that
 624  * your changes remain.
 625  *
 626  * @since 2.7.0
 627  *
 628  * @param string $from New release unzipped path.
 629  * @param string $to Path to old WordPress installation.
 630  * @return WP_Error|null WP_Error on failure, null on success.
 631  */
 632 function update_core($from, $to) {
 633         global $wp_filesystem, $_old_files, $_new_bundled_files, $wpdb;
 634
 635         @set_time_limit( 300 );
 636
 637         // Sanity check the unzipped distribution
 638         apply_filters( 'update_feedback', __('Verifying the unpacked files&#8230;') );
 639         $distro = '';
 640         $roots = array( '/wordpress/', '/wordpress-mu/' );
 641         foreach ( $roots as $root ) {
 642                 if ( $wp_filesystem->exists( $from . $root . 'readme.html' ) && $wp_filesystem->exists( $from . $root . 'wp-includes/version.php' ) ) {
 643                         $distro = $root;
 644                         break;
 645                 }
 646         }
 647         if ( ! $distro ) {
 648                 $wp_filesystem->delete( $from, true );
 649                 return new WP_Error( 'insane_distro', __('The update could not be unpacked') );
 650         }
 651
 652         // Import $wp_version, $required_php_version, and $required_mysql_version from the new version
 653         // $wp_filesystem->wp_content_dir() returned unslashed pre-2.8
 654         $versions_file = trailingslashit( $wp_filesystem->wp_content_dir() ) . 'upgrade/version-current.php';
 655         if ( ! $wp_filesystem->copy( $from . $distro . 'wp-includes/version.php', $versions_file ) ) {
 656                  $wp_filesystem->delete( $from, true );
 657                  return new WP_Error( 'copy_failed', __('Could not copy file.') );
 658         }
 659
 660         $wp_filesystem->chmod( $versions_file, FS_CHMOD_FILE );
 661         require_once( WP_CONTENT_DIR . '/upgrade/version-current.php' );
 662         $wp_filesystem->delete( $versions_file );
 663
 664         $php_version    = phpversion();
 665         $mysql_version  = $wpdb->db_version();
 666         $old_wp_version = $GLOBALS['wp_version']; // The version of WordPress we're updating from
 667         $development_build = ( false !== strpos( $old_wp_version . $wp_version, '-' )  ); // a dash in the version indicates a Development release
 668         $php_compat     = version_compare( $php_version, $required_php_version, '>=' );
 669         if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) )
 670                 $mysql_compat = true;
 671         else
 672                 $mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' );
 673
 674         if ( !$mysql_compat || !$php_compat )
 675                 $wp_filesystem->delete($from, true);
 676
 677         if ( !$mysql_compat && !$php_compat )
 678                 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, $mysql_version ) );
 679         elseif ( !$php_compat )
 680                 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, $php_version ) );
 681         elseif ( !$mysql_compat )
 682                 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 ) );
 683
 684         apply_filters('update_feedback', __('Installing the latest version&#8230;'));
 685
 686         // Create maintenance file to signal that we are upgrading
 687         $maintenance_string = '<?php $upgrading = ' . time() . '; ?>';
 688         $maintenance_file = $to . '.maintenance';
 689         $wp_filesystem->delete($maintenance_file);
 690         $wp_filesystem->put_contents($maintenance_file, $maintenance_string, FS_CHMOD_FILE);
 691
 692         // Copy new versions of WP files into place.
 693         $result = _copy_dir($from . $distro, $to, array('wp-content') );
 694
 695         // Custom Content Directory needs updating now.
 696         // Copy Languages
 697         if ( !is_wp_error($result) && $wp_filesystem->is_dir($from . $distro . 'wp-content/languages') ) {
 698                 if ( WP_LANG_DIR != ABSPATH . WPINC . '/languages' || @is_dir(WP_LANG_DIR) )
 699                         $lang_dir = WP_LANG_DIR;
 700                 else
 701                         $lang_dir = WP_CONTENT_DIR . '/languages';
 702
 703                 if ( !@is_dir($lang_dir) && 0 === strpos($lang_dir, ABSPATH) ) { // Check the language directory exists first
 704                         $wp_filesystem->mkdir($to . str_replace(ABSPATH, '', $lang_dir), FS_CHMOD_DIR); // If it's within the ABSPATH we can handle it here, otherwise they're out of luck.
 705                         clearstatcache(); // for FTP, Need to clear the stat cache
 706                 }
 707
 708                 if ( @is_dir($lang_dir) ) {
 709                         $wp_lang_dir = $wp_filesystem->find_folder($lang_dir);
 710                         if ( $wp_lang_dir )
 711                                 $result = copy_dir($from . $distro . 'wp-content/languages/', $wp_lang_dir);
 712                 }
 713         }
 714
 715         // 3.5 -> 3.5+ - an empty twentytwelve directory was created upon upgrade to 3.5 for some users, preventing installation of Twenty Twelve.
 716         if ( '3.5' == $old_wp_version ) {
 717                 if ( is_dir( WP_CONTENT_DIR . '/themes/twentytwelve' ) && ! file_exists( WP_CONTENT_DIR . '/themes/twentytwelve/style.css' )  ) {
 718                         $wp_filesystem->delete( $wp_filesystem->wp_themes_dir() . 'twentytwelve/' );
 719                 }
 720         }
 721
 722         // Copy New bundled plugins & themes
 723         // This gives us the ability to install new plugins & themes bundled with future versions of WordPress whilst avoiding the re-install upon upgrade issue.
 724         // $development_build controls us overwriting bundled themes and plugins when a non-stable release is being updated
 725         if ( !is_wp_error($result) && ( ! defined('CORE_UPGRADE_SKIP_NEW_BUNDLED') || ! CORE_UPGRADE_SKIP_NEW_BUNDLED ) ) {
 726                 foreach ( (array) $_new_bundled_files as $file => $introduced_version ) {
 727                         // If a $development_build or if $introduced version is greater than what the site was previously running
 728                         if ( $development_build || version_compare( $introduced_version, $old_wp_version, '>' ) ) {
 729                                 $directory = ('/' == $file[ strlen($file)-1 ]);
 730                                 list($type, $filename) = explode('/', $file, 2);
 731
 732                                 // Check to see if the bundled items exist before attempting to copy them
 733                                 if ( ! $wp_filesystem->exists( $from . $distro . 'wp-content/' . $file ) )
 734                                         continue;
 735
 736                                 if ( 'plugins' == $type )
 737                                         $dest = $wp_filesystem->wp_plugins_dir();
 738                                 elseif ( 'themes' == $type )
 739                                         $dest = trailingslashit($wp_filesystem->wp_themes_dir()); // Back-compat, ::wp_themes_dir() did not return trailingslash'd pre-3.2
 740                                 else
 741                                         continue;
 742
 743                                 if ( ! $directory ) {
 744                                         if ( ! $development_build && $wp_filesystem->exists( $dest . $filename ) )
 745                                                 continue;
 746
 747                                         if ( ! $wp_filesystem->copy($from . $distro . 'wp-content/' . $file, $dest . $filename, FS_CHMOD_FILE) )
 748                                                 $result = new WP_Error('copy_failed', __('Could not copy file.'), $dest . $filename);
 749                                 } else {
 750                                         if ( ! $development_build && $wp_filesystem->is_dir( $dest . $filename ) )
 751                                                 continue;
 752
 753                                         $wp_filesystem->mkdir($dest . $filename, FS_CHMOD_DIR);
 754                                         $_result = copy_dir( $from . $distro . 'wp-content/' . $file, $dest . $filename);
 755                                         if ( is_wp_error($_result) ) //If a error occurs partway through this final step, keep the error flowing through, but keep process going.
 756                                                 $result = $_result;
 757                                 }
 758                         }
 759                 } //end foreach
 760         }
 761
 762         // Handle $result error from the above blocks
 763         if ( is_wp_error($result) ) {
 764                 $wp_filesystem->delete($maintenance_file);
 765                 $wp_filesystem->delete($from, true);
 766                 return $result;
 767         }
 768
 769         // Remove old files
 770         foreach ( $_old_files as $old_file ) {
 771                 $old_file = $to . $old_file;
 772                 if ( !$wp_filesystem->exists($old_file) )
 773                         continue;
 774                 $wp_filesystem->delete($old_file, true);
 775         }
 776
 777         // Upgrade DB with separate request
 778         apply_filters('update_feedback', __('Upgrading database&#8230;'));
 779         $db_upgrade_url = admin_url('upgrade.php?step=upgrade_db');
 780         wp_remote_post($db_upgrade_url, array('timeout' => 60));
 781
 782         // Remove working directory
 783         $wp_filesystem->delete($from, true);
 784
 785         // Force refresh of update information
 786         if ( function_exists('delete_site_transient') )
 787                 delete_site_transient('update_core');
 788         else
 789                 delete_option('update_core');
 790
 791         // Remove maintenance file, we're done.
 792         $wp_filesystem->delete($maintenance_file);
 793
 794         // If we made it this far:
 795         do_action( '_core_updated_successfully', $wp_version );
 796
 797         return $wp_version;
 798 }
 799
 800 /**
 801  * Copies a directory from one location to another via the WordPress Filesystem Abstraction.
 802  * Assumes that WP_Filesystem() has already been called and setup.
 803  *
 804  * This is a temporary function for the 3.1 -> 3.2 upgrade only and will be removed in 3.3
 805  *
 806  * @ignore
 807  * @since 3.2.0
 808  * @see copy_dir()
 809  *
 810  * @param string $from source directory
 811  * @param string $to destination directory
 812  * @param array $skip_list a list of files/folders to skip copying
 813  * @return mixed WP_Error on failure, True on success.
 814  */
 815 function _copy_dir($from, $to, $skip_list = array() ) {
 816         global $wp_filesystem;
 817
 818         $dirlist = $wp_filesystem->dirlist($from);
 819
 820         $from = trailingslashit($from);
 821         $to = trailingslashit($to);
 822
 823         $skip_regex = '';
 824         foreach ( (array)$skip_list as $key => $skip_file )
 825                 $skip_regex .= preg_quote($skip_file, '!') . '|';
 826
 827         if ( !empty($skip_regex) )
 828                 $skip_regex = '!(' . rtrim($skip_regex, '|') . ')$!i';
 829
 830         foreach ( (array) $dirlist as $filename => $fileinfo ) {
 831                 if ( !empty($skip_regex) )
 832                         if ( preg_match($skip_regex, $from . $filename) )
 833                                 continue;
 834
 835                 if ( 'f' == $fileinfo['type'] ) {
 836                         if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) ) {
 837                                 // If copy failed, chmod file to 0644 and try again.
 838                                 $wp_filesystem->chmod($to . $filename, 0644);
 839                                 if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) )
 840                                         return new WP_Error('copy_failed', __('Could not copy file.'), $to . $filename);
 841                         }
 842                 } elseif ( 'd' == $fileinfo['type'] ) {
 843                         if ( !$wp_filesystem->is_dir($to . $filename) ) {
 844                                 if ( !$wp_filesystem->mkdir($to . $filename, FS_CHMOD_DIR) )
 845                                         return new WP_Error('mkdir_failed', __('Could not create directory.'), $to . $filename);
 846                         }
 847                         $result = _copy_dir($from . $filename, $to . $filename, $skip_list);
 848                         if ( is_wp_error($result) )
 849                                 return $result;
 850                 }
 851         }
 852         return true;
 853 }
 854
 855 /**
 856  * Redirect to the About WordPress page after a successful upgrade.
 857  *
 858  * This function is only needed when the existing install is older than 3.4.0.
 859  *
 860  * @since 3.3.0
 861  *
 862  */
 863 function _redirect_to_about_wordpress( $new_version ) {
 864         global $wp_version, $pagenow, $action;
 865
 866         if ( version_compare( $wp_version, '3.4-RC1', '>=' ) )
 867                 return;
 868
 869         // Ensure we only run this on the update-core.php page. wp_update_core() could be called in other contexts.
 870         if ( 'update-core.php' != $pagenow )
 871                 return;
 872
 873         if ( 'do-core-upgrade' != $action && 'do-core-reinstall' != $action )
 874                 return;
 875
 876         // Load the updated default text localization domain for new strings
 877         load_default_textdomain();
 878
 879         // See do_core_upgrade()
 880         show_message( __('WordPress updated successfully') );
 881
 882         // self_admin_url() won't exist when upgrading from <= 3.0, so relative URLs are intentional.
 883         show_message( '<span class="hide-if-no-js">' . sprintf( __( 'Welcome to WordPress %1$s. You will be redirected to the About WordPress screen. If not, click <a href="%2$s">here</a>.' ), $new_version, 'about.php?updated' ) . '</span>' );
 884         show_message( '<span class="hide-if-js">' . sprintf( __( 'Welcome to WordPress %1$s. <a href="%2$s">Learn more</a>.' ), $new_version, 'about.php?updated' ) . '</span>' );
 885         echo '</div>';
 886         ?>
 887 <script type="text/javascript">
 888 window.location = 'about.php?updated';
 889 </script>
 890         <?php
 891
 892         // Include admin-footer.php and exit
 893         include(ABSPATH . 'wp-admin/admin-footer.php');
 894         exit();
 895 }
 896 add_action( '_core_updated_successfully', '_redirect_to_about_wordpress' );