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<?php
global $_old_files;
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'wp-includes/js/jquery/ui/jquery.effects.clip.min.js', 'wp-includes/js/jquery/ui/jquery.effects.scale.min.js', 'wp-includes/js/jquery/ui/jquery.effects.blind.min.js', 'wp-includes/js/jquery/ui/jquery.effects.core.min.js', 'wp-includes/js/jquery/ui/jquery.effects.shake.min.js', 'wp-includes/js/jquery/ui/jquery.effects.fade.min.js', 'wp-includes/js/jquery/ui/jquery.effects.explode.min.js', 'wp-includes/js/jquery/ui/jquery.effects.slide.min.js', 'wp-includes/js/jquery/ui/jquery.effects.drop.min.js', 'wp-includes/js/jquery/ui/jquery.effects.highlight.min.js', 'wp-includes/js/jquery/ui/jquery.effects.bounce.min.js', 'wp-includes/js/jquery/ui/jquery.effects.pulsate.min.js', 'wp-includes/js/jquery/ui/jquery.effects.transfer.min.js', 'wp-includes/js/jquery/ui/jquery.effects.fold.min.js', 'wp-admin/images/screenshots/captions-1.png', 'wp-admin/images/screenshots/captions-2.png', 'wp-admin/images/screenshots/flex-header-1.png', 'wp-admin/images/screenshots/flex-header-2.png', 'wp-admin/images/screenshots/flex-header-3.png', 'wp-admin/images/screenshots/flex-header-media-library.png', 'wp-admin/images/screenshots/theme-customizer.png', 'wp-admin/images/screenshots/twitter-embed-1.png', 'wp-admin/images/screenshots/twitter-embed-2.png', 'wp-admin/js/utils.js', 'wp-app.php', 'wp-includes/class-wp-atom-server.php', 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/ui.css', 'wp-includes/js/swfupload/swfupload-all.js', 'wp-admin/js/revisions-js.php', 'wp-admin/images/screenshots', 'wp-admin/js/categories.js', 'wp-admin/js/categories.min.js', 'wp-admin/js/custom-fields.js', 'wp-admin/js/custom-fields.min.js', 'wp-admin/js/cat.js', 'wp-admin/js/cat.min.js', 'wp-includes/js/tinymce/plugins/wpeditimage/js/editimage.min.js', 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/page_bug.gif', 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/more_bug.gif', 'wp-includes/js/thickbox/tb-close-2x.png', 'wp-includes/js/thickbox/tb-close.png', 'wp-includes/images/wpmini-blue-2x.png', 'wp-includes/images/wpmini-blue.png', 'wp-admin/css/colors-fresh.css', 'wp-admin/css/colors-classic.css', 'wp-admin/css/colors-fresh.min.css', 'wp-admin/css/colors-classic.min.css', 'wp-admin/js/about.min.js', 'wp-admin/js/about.js', 'wp-admin/images/arrows-dark-vs-2x.png', 'wp-admin/images/wp-logo-vs.png', 'wp-admin/images/arrows-dark-vs.png', 'wp-admin/images/wp-logo.png', 'wp-admin/images/arrows-pr.png', 'wp-admin/images/arrows-dark.png', 'wp-admin/images/press-this.png', 'wp-admin/images/press-this-2x.png', 'wp-admin/images/arrows-vs-2x.png', 'wp-admin/images/welcome-icons.png', 'wp-admin/images/wp-logo-2x.png', 'wp-admin/images/stars-rtl-2x.png', 'wp-admin/images/arrows-dark-2x.png', 'wp-admin/images/arrows-pr-2x.png', 'wp-admin/images/menu-shadow-rtl.png', 'wp-admin/images/arrows-vs.png', 'wp-admin/images/about-search-2x.png', 'wp-admin/images/bubble_bg-rtl-2x.gif', 'wp-admin/images/wp-badge-2x.png', 'wp-admin/images/wordpress-logo-2x.png', 'wp-admin/images/bubble_bg-rtl.gif', 'wp-admin/images/wp-badge.png', 'wp-admin/images/menu-shadow.png', 'wp-admin/images/about-globe-2x.png', 'wp-admin/images/welcome-icons-2x.png', 'wp-admin/images/stars-rtl.png', 'wp-admin/images/wp-logo-vs-2x.png', 'wp-admin/images/about-updates-2x.png', 'wp-admin/css/colors.css', 'wp-admin/css/colors.min.css', 'wp-admin/css/colors-rtl.css', 'wp-admin/css/colors-rtl.min.css', 'wp-admin/images/lock-2x.png', 'wp-admin/images/lock.png', 'wp-admin/js/theme-preview.js', 'wp-admin/js/theme-install.min.js', 'wp-admin/js/theme-install.js', 'wp-admin/js/theme-preview.min.js', 'wp-includes/js/plupload/plupload.html4.js', 'wp-includes/js/plupload/plupload.html5.js', 'wp-includes/js/plupload/changelog.txt', 'wp-includes/js/plupload/plupload.silverlight.js', 'wp-includes/js/plupload/plupload.flash.js', 'wp-includes/js/tinymce/plugins/spellchecker', 'wp-includes/js/tinymce/plugins/inlinepopups', 'wp-includes/js/tinymce/plugins/media/js', 'wp-includes/js/tinymce/plugins/media/css', 'wp-includes/js/tinymce/plugins/wordpress/img', 'wp-includes/js/tinymce/plugins/wpdialogs/js', 'wp-includes/js/tinymce/plugins/wpeditimage/img', 'wp-includes/js/tinymce/plugins/wpeditimage/js', 'wp-includes/js/tinymce/plugins/wpeditimage/css', 'wp-includes/js/tinymce/plugins/wpgallery/img', 'wp-includes/js/tinymce/plugins/wpfullscreen/css', 'wp-includes/js/tinymce/plugins/paste/js', 'wp-includes/js/tinymce/themes/advanced', 'wp-includes/js/tinymce/tiny_mce.js', 'wp-includes/js/tinymce/mark_loaded_src.js', 'wp-includes/js/tinymce/wp-tinymce-schema.js', 'wp-includes/js/tinymce/plugins/media/editor_plugin.js', 'wp-includes/js/tinymce/plugins/media/editor_plugin_src.js', 'wp-includes/js/tinymce/plugins/media/media.htm', 'wp-includes/js/tinymce/plugins/wpview/editor_plugin_src.js', 'wp-includes/js/tinymce/plugins/wpview/editor_plugin.js', 'wp-includes/js/tinymce/plugins/directionality/editor_plugin.js', 'wp-includes/js/tinymce/plugins/directionality/editor_plugin_src.js', 'wp-includes/js/tinymce/plugins/wordpress/editor_plugin.js', 'wp-includes/js/tinymce/plugins/wordpress/editor_plugin_src.js', 'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin_src.js', 'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin.js', 'wp-includes/js/tinymce/plugins/wpeditimage/editimage.html', 'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin.js', 'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin_src.js', 'wp-includes/js/tinymce/plugins/fullscreen/editor_plugin_src.js', 'wp-includes/js/tinymce/plugins/fullscreen/fullscreen.htm', 'wp-includes/js/tinymce/plugins/fullscreen/editor_plugin.js', 'wp-includes/js/tinymce/plugins/wplink/editor_plugin_src.js', 'wp-includes/js/tinymce/plugins/wplink/editor_plugin.js', 'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin_src.js', 'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.js', 'wp-includes/js/tinymce/plugins/tabfocus/editor_plugin.js', 'wp-includes/js/tinymce/plugins/tabfocus/editor_plugin_src.js', 'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin.js', 'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin_src.js', 'wp-includes/js/tinymce/plugins/paste/editor_plugin.js', 'wp-includes/js/tinymce/plugins/paste/pasteword.htm', 'wp-includes/js/tinymce/plugins/paste/editor_plugin_src.js', 'wp-includes/js/tinymce/plugins/paste/pastetext.htm', 'wp-includes/js/tinymce/langs/wp-langs.php', 'wp-includes/js/jquery/ui/jquery.ui.accordion.min.js', 'wp-includes/js/jquery/ui/jquery.ui.autocomplete.min.js', 'wp-includes/js/jquery/ui/jquery.ui.button.min.js', 'wp-includes/js/jquery/ui/jquery.ui.core.min.js', 'wp-includes/js/jquery/ui/jquery.ui.datepicker.min.js', 'wp-includes/js/jquery/ui/jquery.ui.dialog.min.js', 'wp-includes/js/jquery/ui/jquery.ui.draggable.min.js', 'wp-includes/js/jquery/ui/jquery.ui.droppable.min.js', 'wp-includes/js/jquery/ui/jquery.ui.effect-blind.min.js', 'wp-includes/js/jquery/ui/jquery.ui.effect-bounce.min.js', 'wp-includes/js/jquery/ui/jquery.ui.effect-clip.min.js', 'wp-includes/js/jquery/ui/jquery.ui.effect-drop.min.js', 'wp-includes/js/jquery/ui/jquery.ui.effect-explode.min.js', 'wp-includes/js/jquery/ui/jquery.ui.effect-fade.min.js', 'wp-includes/js/jquery/ui/jquery.ui.effect-fold.min.js', 'wp-includes/js/jquery/ui/jquery.ui.effect-highlight.min.js', 'wp-includes/js/jquery/ui/jquery.ui.effect-pulsate.min.js', 'wp-includes/js/jquery/ui/jquery.ui.effect-scale.min.js', 'wp-includes/js/jquery/ui/jquery.ui.effect-shake.min.js', 'wp-includes/js/jquery/ui/jquery.ui.effect-slide.min.js', 'wp-includes/js/jquery/ui/jquery.ui.effect-transfer.min.js', 'wp-includes/js/jquery/ui/jquery.ui.effect.min.js', 'wp-includes/js/jquery/ui/jquery.ui.menu.min.js', 'wp-includes/js/jquery/ui/jquery.ui.mouse.min.js', 'wp-includes/js/jquery/ui/jquery.ui.position.min.js', 'wp-includes/js/jquery/ui/jquery.ui.progressbar.min.js', 'wp-includes/js/jquery/ui/jquery.ui.resizable.min.js', 'wp-includes/js/jquery/ui/jquery.ui.selectable.min.js', 'wp-includes/js/jquery/ui/jquery.ui.slider.min.js', 'wp-includes/js/jquery/ui/jquery.ui.sortable.min.js', 'wp-includes/js/jquery/ui/jquery.ui.spinner.min.js', 'wp-includes/js/jquery/ui/jquery.ui.tabs.min.js', 'wp-includes/js/jquery/ui/jquery.ui.tooltip.min.js', 'wp-includes/js/jquery/ui/jquery.ui.widget.min.js', 'wp-includes/js/tinymce/skins/wordpress/images/dashicon-no-alt.png', 'wp-admin/js/wp-fullscreen.js', 'wp-admin/js/wp-fullscreen.min.js', 'wp-includes/js/tinymce/wp-mce-help.php', 'wp-includes/js/tinymce/plugins/wpfullscreen', 'wp-includes/theme-compat/comments-popup.php', 'wp-admin/includes/class-wp-automatic-upgrader.php', 'wp-includes/js/tinymce/plugins/wpembed', 'wp-includes/js/tinymce/plugins/media/moxieplayer.swf', 'wp-includes/js/tinymce/skins/lightgray/fonts/readme.md', 'wp-includes/js/tinymce/skins/lightgray/fonts/tinymce-small.json', 'wp-includes/js/tinymce/skins/lightgray/fonts/tinymce.json', 'wp-includes/js/tinymce/skins/lightgray/skin.ie7.min.css', 'wp-admin/css/press-this-editor-rtl.css', 'wp-admin/css/press-this-editor-rtl.min.css', 'wp-admin/css/press-this-editor.css', 'wp-admin/css/press-this-editor.min.css', 'wp-admin/css/press-this-rtl.css', 'wp-admin/css/press-this-rtl.min.css', 'wp-admin/css/press-this.css', 'wp-admin/css/press-this.min.css', 'wp-admin/includes/class-wp-press-this.php', 'wp-admin/js/bookmarklet.js', 'wp-admin/js/bookmarklet.min.js', 'wp-admin/js/press-this.js', 'wp-admin/js/press-this.min.js', 'wp-includes/js/mediaelement/background.png', 'wp-includes/js/mediaelement/bigplay.png', 'wp-includes/js/mediaelement/bigplay.svg', 'wp-includes/js/mediaelement/controls.png', 'wp-includes/js/mediaelement/controls.svg', 'wp-includes/js/mediaelement/flashmediaelement.swf', 'wp-includes/js/mediaelement/froogaloop.min.js', 'wp-includes/js/mediaelement/jumpforward.png', 'wp-includes/js/mediaelement/loading.gif', 'wp-includes/js/mediaelement/silverlightmediaelement.xap', 'wp-includes/js/mediaelement/skipback.png', 'wp-includes/js/plupload/plupload.flash.swf', 'wp-includes/js/plupload/plupload.full.min.js', 'wp-includes/js/plupload/plupload.silverlight.xap', 'wp-includes/js/swfupload/plugins', 'wp-includes/js/swfupload/swfupload.swf', 'wp-includes/js/mediaelement/lang', 'wp-includes/js/mediaelement/lang/ca.js', 'wp-includes/js/mediaelement/lang/cs.js', 'wp-includes/js/mediaelement/lang/de.js', 'wp-includes/js/mediaelement/lang/es.js', 'wp-includes/js/mediaelement/lang/fa.js', 'wp-includes/js/mediaelement/lang/fr.js', 'wp-includes/js/mediaelement/lang/hr.js', 'wp-includes/js/mediaelement/lang/hu.js', 'wp-includes/js/mediaelement/lang/it.js', 'wp-includes/js/mediaelement/lang/ja.js', 'wp-includes/js/mediaelement/lang/ko.js', 'wp-includes/js/mediaelement/lang/nl.js', 'wp-includes/js/mediaelement/lang/pl.js', 'wp-includes/js/mediaelement/lang/pt.js', 'wp-includes/js/mediaelement/lang/ro.js', 'wp-includes/js/mediaelement/lang/ru.js', 'wp-includes/js/mediaelement/lang/sk.js', 'wp-includes/js/mediaelement/lang/sv.js', 'wp-includes/js/mediaelement/lang/uk.js', 'wp-includes/js/mediaelement/lang/zh-cn.js', 'wp-includes/js/mediaelement/lang/zh.js', 'wp-includes/js/mediaelement/mediaelement-flash-audio-ogg.swf', 'wp-includes/js/mediaelement/mediaelement-flash-audio.swf', 'wp-includes/js/mediaelement/mediaelement-flash-video-hls.swf', 'wp-includes/js/mediaelement/mediaelement-flash-video-mdash.swf', 'wp-includes/js/mediaelement/mediaelement-flash-video.swf', 'wp-includes/js/mediaelement/renderers/dailymotion.js', 'wp-includes/js/mediaelement/renderers/dailymotion.min.js', 'wp-includes/js/mediaelement/renderers/facebook.js', 'wp-includes/js/mediaelement/renderers/facebook.min.js', 'wp-includes/js/mediaelement/renderers/soundcloud.js', 'wp-includes/js/mediaelement/renderers/soundcloud.min.js', 'wp-includes/js/mediaelement/renderers/twitch.js', 'wp-includes/js/mediaelement/renderers/twitch.min.js', 'wp-includes/js/codemirror/jshint.js', 'wp-includes/random_compat/random_bytes_openssl.php', 'wp-includes/js/tinymce/wp-tinymce.js.gz', 'wp-includes/js/wp-a11y.js', 'wp-includes/js/wp-a11y.min.js', 'wp-admin/js/wp-fullscreen-stub.js', 'wp-admin/js/wp-fullscreen-stub.min.js', 'wp-admin/css/ie.css', 'wp-admin/css/ie.min.css', 'wp-admin/css/ie-rtl.css', 'wp-admin/css/ie-rtl.min.css', 'wp-includes/js/jquery/ui/position.min.js', 'wp-includes/js/jquery/ui/widget.min.js', 'wp-includes/blocks/classic/block.json');
global $_new_bundled_files;
$_new_bundled_files = array('plugins/akismet/' => '2.0', 'themes/twentyten/' => '3.0', 'themes/twentyeleven/' => '3.2', 'themes/twentytwelve/' => '3.5', 'themes/twentythirteen/' => '3.6', 'themes/twentyfourteen/' => '3.8', 'themes/twentyfifteen/' => '4.1', 'themes/twentysixteen/' => '4.4', 'themes/twentyseventeen/' => '4.7', 'themes/twentynineteen/' => '5.0', 'themes/twentytwenty/' => '5.3', 'themes/twentytwentyone/' => '5.6');
function update_core($from, $to)
{
global $wp_filesystem, $_old_files, $_new_bundled_files, $wpdb;
set_time_limit(300);
apply_filters('update_feedback', __('Verifying the unpacked files…'));
$distro = '';
$roots = array('/wordpress/', '/wordpress-mu/');
foreach ($roots as $root) {
if ($wp_filesystem->exists($from . $root . 'readme.html') && $wp_filesystem->exists($from . $root . 'wp-includes/version.php')) {
$distro = $root;
break;
}
}
if (!$distro) {
$wp_filesystem->delete($from, true);
return new WP_Error('insane_distro', __('The update could not be unpacked'));
}
$versions_file = trailingslashit($wp_filesystem->wp_content_dir()) . 'upgrade/version-current.php';
if (!$wp_filesystem->copy($from . $distro . 'wp-includes/version.php', $versions_file)) {
$wp_filesystem->delete($from, true);
return new WP_Error('copy_failed_for_version_file', __('The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.'), 'wp-includes/version.php');
}
$wp_filesystem->chmod($versions_file, FS_CHMOD_FILE);
if (function_exists('wp_opcache_invalidate')) {
wp_opcache_invalidate($versions_file);
}
require WP_CONTENT_DIR . '/upgrade/version-current.php';
$wp_filesystem->delete($versions_file);
$php_version = phpversion();
$mysql_version = $wpdb->db_version();
$old_wp_version = $GLOBALS['wp_version'];
$development_build = false !== strpos($old_wp_version . $wp_version, '-');
$php_compat = version_compare($php_version, $required_php_version, '>=');
if (file_exists(WP_CONTENT_DIR . '/db.php') && empty($wpdb->is_mysql)) {
$mysql_compat = true;
} else {
$mysql_compat = version_compare($mysql_version, $required_mysql_version, '>=');
}
if (!$mysql_compat || !$php_compat) {
$wp_filesystem->delete($from, true);
}
$php_update_message = '';
if (function_exists('wp_get_update_php_url')) {
$php_update_message = '</p><p>' . sprintf(__('<a href="%s">Learn more about updating PHP</a>.'), esc_url(wp_get_update_php_url()));
if (function_exists('wp_get_update_php_annotation')) {
$annotation = wp_get_update_php_annotation();
if ($annotation) {
$php_update_message .= '</p><p><em>' . $annotation . '</em>';
}
}
}
if (!$mysql_compat && !$php_compat) {
return new WP_Error('php_mysql_not_compatible', sprintf(__('The update cannot be installed because WordPress %1$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) . $php_update_message);
} elseif (!$php_compat) {
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) . $php_update_message);
} elseif (!$mysql_compat) {
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, $mysql_version));
}
if (!extension_loaded('json')) {
return new WP_Error('php_not_compatible_json', sprintf(__('The update cannot be installed because WordPress %1$s requires the %2$s PHP extension.'), $wp_version, 'JSON'));
}
apply_filters('update_feedback', __('Preparing to install the latest version…'));
$skip = array('wp-content', 'wp-includes/version.php');
$check_is_writable = array();
if (function_exists('get_core_checksums')) {
$working_dir_local = WP_CONTENT_DIR . '/upgrade/' . basename($from) . $distro;
$checksums = get_core_checksums($wp_version, isset($wp_local_package) ? $wp_local_package : 'en_US');
if (is_array($checksums) && isset($checksums[$wp_version])) {
$checksums = $checksums[$wp_version];
}
if (is_array($checksums)) {
foreach ($checksums as $file => $checksum) {
if ('wp-content' === substr($file, 0, 10)) {
continue;
}
if (!file_exists(ABSPATH . $file)) {
continue;
}
if (!file_exists($working_dir_local . $file)) {
continue;
}
if ('.' === dirname($file) && in_array(pathinfo($file, PATHINFO_EXTENSION), array('html', 'txt'), true)) {
continue;
}
if (md5_file(ABSPATH . $file) === $checksum) {
$skip[] = $file;
} else {
$check_is_writable[$file] = ABSPATH . $file;
}
}
}
}
if ($check_is_writable && 'direct' === $wp_filesystem->method) {
$files_writable = array_filter($check_is_writable, array($wp_filesystem, 'is_writable'));
if ($files_writable !== $check_is_writable) {
$files_not_writable = array_diff_key($check_is_writable, $files_writable);
foreach ($files_not_writable as $relative_file_not_writable => $file_not_writable) {
$wp_filesystem->chmod($file_not_writable, FS_CHMOD_FILE);
if ($wp_filesystem->is_writable($file_not_writable)) {
unset($files_not_writable[$relative_file_not_writable]);
}
}
$error_data = version_compare($old_wp_version, '3.7-beta2', '>') ? array_keys($files_not_writable) : '';
if ($files_not_writable) {
return new WP_Error('files_not_writable', __('The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.'), implode(', ', $error_data));
}
}
}
apply_filters('update_feedback', __('Enabling Maintenance mode…'));
$maintenance_string = '<?php $upgrading = ' . time() . '; ?>';
$maintenance_file = $to . '.maintenance';
$wp_filesystem->delete($maintenance_file);
$wp_filesystem->put_contents($maintenance_file, $maintenance_string, FS_CHMOD_FILE);
apply_filters('update_feedback', __('Copying the required files…'));
$result = _copy_dir($from . $distro, $to, $skip);
if (is_wp_error($result)) {
$result = new WP_Error($result->get_error_code(), $result->get_error_message(), substr($result->get_error_data(), strlen($to)));
}
if (!is_wp_error($result)) {
if (!$wp_filesystem->copy($from . $distro . 'wp-includes/version.php', $to . 'wp-includes/version.php', true)) {
$wp_filesystem->delete($from, true);
$result = new WP_Error('copy_failed_for_version_file', __('The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions.'), 'wp-includes/version.php');
}
$wp_filesystem->chmod($to . 'wp-includes/version.php', FS_CHMOD_FILE);
if (function_exists('wp_opcache_invalidate')) {
wp_opcache_invalidate($to . 'wp-includes/version.php');
}
}
$skip = array('wp-content');
$failed = array();
if (isset($checksums) && is_array($checksums)) {
foreach ($checksums as $file => $checksum) {
if ('wp-content' === substr($file, 0, 10)) {
continue;
}
if (!file_exists($working_dir_local . $file)) {
continue;
}
if ('.' === dirname($file) && in_array(pathinfo($file, PATHINFO_EXTENSION), array('html', 'txt'), true)) {
$skip[] = $file;
continue;
}
if (file_exists(ABSPATH . $file) && md5_file(ABSPATH . $file) == $checksum) {
$skip[] = $file;
} else {
$failed[] = $file;
}
}
}
if (!empty($failed)) {
$total_size = 0;
foreach ($failed as $file) {
if (file_exists($working_dir_local . $file)) {
$total_size += filesize($working_dir_local . $file);
}
}
$available_space = @disk_free_space(ABSPATH);
if ($available_space && $total_size >= $available_space) {
$result = new WP_Error('disk_full', __('There is not enough free disk space to complete the update.'));
} else {
$result = _copy_dir($from . $distro, $to, $skip);
if (is_wp_error($result)) {
$result = new WP_Error($result->get_error_code() . '_retry', $result->get_error_message(), substr($result->get_error_data(), strlen($to)));
}
}
}
if (!is_wp_error($result) && $wp_filesystem->is_dir($from . $distro . 'wp-content/languages')) {
if (WP_LANG_DIR != ABSPATH . WPINC . '/languages' || @is_dir(WP_LANG_DIR)) {
$lang_dir = WP_LANG_DIR;
} else {
$lang_dir = WP_CONTENT_DIR . '/languages';
}
if (!@is_dir($lang_dir) && 0 === strpos($lang_dir, ABSPATH)) {
$wp_filesystem->mkdir($to . str_replace(ABSPATH, '', $lang_dir), FS_CHMOD_DIR);
clearstatcache();
}
if (@is_dir($lang_dir)) {
$wp_lang_dir = $wp_filesystem->find_folder($lang_dir);
if ($wp_lang_dir) {
$result = copy_dir($from . $distro . 'wp-content/languages/', $wp_lang_dir);
if (is_wp_error($result)) {
$result = new WP_Error($result->get_error_code() . '_languages', $result->get_error_message(), substr($result->get_error_data(), strlen($wp_lang_dir)));
}
}
}
}
apply_filters('update_feedback', __('Disabling Maintenance mode…'));
$wp_filesystem->delete($maintenance_file);
if ('3.5' === $old_wp_version) {
if (is_dir(WP_CONTENT_DIR . '/themes/twentytwelve') && !file_exists(WP_CONTENT_DIR . '/themes/twentytwelve/style.css')) {
$wp_filesystem->delete($wp_filesystem->wp_themes_dir() . 'twentytwelve/');
}
}
if (!is_wp_error($result) && (!defined('CORE_UPGRADE_SKIP_NEW_BUNDLED') || !CORE_UPGRADE_SKIP_NEW_BUNDLED)) {
foreach ((array) $_new_bundled_files as $file => $introduced_version) {
if ($development_build || version_compare($introduced_version, $old_wp_version, '>')) {
$directory = '/' === $file[strlen($file) - 1];
list($type, $filename) = explode('/', $file, 2);
if (!$wp_filesystem->exists($from . $distro . 'wp-content/' . $file)) {
continue;
}
if ('plugins' === $type) {
$dest = $wp_filesystem->wp_plugins_dir();
} elseif ('themes' === $type) {
$dest = trailingslashit($wp_filesystem->wp_themes_dir());
} else {
continue;
}
if (!$directory) {
if (!$development_build && $wp_filesystem->exists($dest . $filename)) {
continue;
}
if (!$wp_filesystem->copy($from . $distro . 'wp-content/' . $file, $dest . $filename, FS_CHMOD_FILE)) {
$result = new WP_Error("copy_failed_for_new_bundled_{$type}", __('Could not copy file.'), $dest . $filename);
}
} else {
if (!$development_build && $wp_filesystem->is_dir($dest . $filename)) {
continue;
}
$wp_filesystem->mkdir($dest . $filename, FS_CHMOD_DIR);
$_result = copy_dir($from . $distro . 'wp-content/' . $file, $dest . $filename);
if (is_wp_error($_result)) {
if (!is_wp_error($result)) {
$result = new WP_Error();
}
$result->add($_result->get_error_code() . "_{$type}", $_result->get_error_message(), substr($_result->get_error_data(), strlen($dest)));
}
}
}
}
}
if (is_wp_error($result)) {
$wp_filesystem->delete($from, true);
return $result;
}
foreach ($_old_files as $old_file) {
$old_file = $to . $old_file;
if (!$wp_filesystem->exists($old_file)) {
continue;
}
if (!$wp_filesystem->delete($old_file, true) && $wp_filesystem->is_file($old_file)) {
$wp_filesystem->put_contents($old_file, '');
}
}
_upgrade_422_remove_genericons();
_upgrade_440_force_deactivate_incompatible_plugins();
apply_filters('update_feedback', __('Upgrading database…'));
$db_upgrade_url = admin_url('upgrade.php?step=upgrade_db');
wp_remote_post($db_upgrade_url, array('timeout' => 60));
wp_cache_flush();
wp_cache_delete('alloptions', 'options');
$wp_filesystem->delete($from, true);
if (function_exists('delete_site_transient')) {
delete_site_transient('update_core');
} else {
delete_option('update_core');
}
do_action('_core_updated_successfully', $wp_version);
if (function_exists('delete_site_option')) {
delete_site_option('auto_core_update_failed');
}
return $wp_version;
}
function _copy_dir($from, $to, $skip_list = array())
{
global $wp_filesystem;
$dirlist = $wp_filesystem->dirlist($from);
if (false === $dirlist) {
return new WP_Error('dirlist_failed__copy_dir', __('Directory listing failed.'), basename($to));
}
$from = trailingslashit($from);
$to = trailingslashit($to);
foreach ((array) $dirlist as $filename => $fileinfo) {
if (in_array($filename, $skip_list, true)) {
continue;
}
if ('f' === $fileinfo['type']) {
if (!$wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE)) {
$wp_filesystem->chmod($to . $filename, FS_CHMOD_FILE);
if (!$wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE)) {
return new WP_Error('copy_failed__copy_dir', __('Could not copy file.'), $to . $filename);
}
}
if (function_exists('wp_opcache_invalidate')) {
wp_opcache_invalidate($to . $filename);
}
} elseif ('d' === $fileinfo['type']) {
if (!$wp_filesystem->is_dir($to . $filename)) {
if (!$wp_filesystem->mkdir($to . $filename, FS_CHMOD_DIR)) {
return new WP_Error('mkdir_failed__copy_dir', __('Could not create directory.'), $to . $filename);
}
}
$sub_skip_list = array();
foreach ($skip_list as $skip_item) {
if (0 === strpos($skip_item, $filename . '/')) {
$sub_skip_list[] = preg_replace('!^' . preg_quote($filename, '!') . '/!i', '', $skip_item);
}
}
$result = _copy_dir($from . $filename, $to . $filename, $sub_skip_list);
if (is_wp_error($result)) {
return $result;
}
}
}
return true;
}
function _redirect_to_about_wordpress($new_version)
{
global $wp_version, $pagenow, $action;
if (version_compare($wp_version, '3.4-RC1', '>=')) {
return;
}
if ('update-core.php' !== $pagenow) {
return;
}
if ('do-core-upgrade' !== $action && 'do-core-reinstall' !== $action) {
return;
}
load_default_textdomain();
show_message(__('WordPress updated successfully.'));
show_message('<span class="hide-if-no-js">' . sprintf(__('Welcome to WordPress %1$s. You will be redirected to the About WordPress screen. If not, click <a href="%2$s">here</a>.'), $new_version, 'about.php?updated') . '</span>');
show_message('<span class="hide-if-js">' . sprintf(__('Welcome to WordPress %1$s. <a href="%2$s">Learn more</a>.'), $new_version, 'about.php?updated') . '</span>');
echo '</div>';
?>
<script type="text/javascript">
window.location = 'about.php?updated';
</script>
<?php
require_once ABSPATH . 'wp-admin/admin-footer.php';
exit;
}
function _upgrade_422_remove_genericons()
{
global $wp_theme_directories, $wp_filesystem;
$affected_files = array();
foreach ($wp_theme_directories as $directory) {
$affected_theme_files = _upgrade_422_find_genericons_files_in_folder($directory);
$affected_files = array_merge($affected_files, $affected_theme_files);
}
$affected_plugin_files = _upgrade_422_find_genericons_files_in_folder(WP_PLUGIN_DIR);
$affected_files = array_merge($affected_files, $affected_plugin_files);
foreach ($affected_files as $file) {
$gen_dir = $wp_filesystem->find_folder(trailingslashit(dirname($file)));
if (empty($gen_dir)) {
continue;
}
$remote_file = $gen_dir . basename($file);
if (!$wp_filesystem->exists($remote_file)) {
continue;
}
if (!$wp_filesystem->delete($remote_file, false, 'f')) {
$wp_filesystem->put_contents($remote_file, '');
}
}
}
function _upgrade_422_find_genericons_files_in_folder($directory)
{
$directory = trailingslashit($directory);
$files = array();
if (file_exists("{$directory}example.html") && false !== strpos(file_get_contents("{$directory}example.html"), '<title>Genericons</title>')) {
$files[] = "{$directory}example.html";
}
$dirs = glob($directory . '*', GLOB_ONLYDIR);
if ($dirs) {
foreach ($dirs as $dir) {
$files = array_merge($files, _upgrade_422_find_genericons_files_in_folder($dir));
}
}
return $files;
}
function _upgrade_440_force_deactivate_incompatible_plugins()
{
if (defined('REST_API_VERSION') && version_compare(REST_API_VERSION, '2.0-beta4', '<=')) {
deactivate_plugins(array('rest-api/plugin.php'), true);
}
}