PHP w3_is_enterprise函数代码示例

 function run()
 {
     add_action('w3tc_register_fragment_groups', array($this, 'register_groups'));
     $this->_config = w3_instance('W3_Config');
     if ((w3_is_pro($this->_config) || w3_is_enterprise($this->_config)) && $this->_config->get_boolean('fragmentcache.enabled')) {
         if (!is_admin()) {
             /**
              * Register the caching of content to specific hooks
              */
             foreach (array('genesis_header', 'genesis_footer', 'genesis_sidebar', 'genesis_loop', 'wp_head', 'wp_footer', 'genesis_comments', 'genesis_pings') as $hook) {
                 add_action($hook, array($this, 'cache_genesis_start'), -999999999);
                 add_action($hook, array($this, 'cache_genesis_end'), 999999999);
             }
             foreach (array('genesis_do_subnav', 'genesis_do_nav') as $filter) {
                 add_filter($filter, array($this, 'cache_genesis_filter_start'), -999999999);
                 add_filter($filter, array($this, 'cache_genesis_filter_end'), 999999999);
             }
         }
         /**
          * Since posts pages etc are cached individually need to be able to flush just those and not all fragment
          */
         add_action('clean_post_cache', array($this, 'flush_post_fragment'));
         add_action('clean_post_cache', array($this, 'flush_terms_fragment'), 0, 0);
         $this->_request_uri = $_SERVER['REQUEST_URI'];
     }
 }

 function __construct()
 {
     $this->_config = w3_instance('W3_Config');
     $this->_plugins = array(array('class_name' => 'W3_Plugin_TotalCache', 'enable_options' => null), array('class_name' => 'W3_Plugin_DbCache', 'enable_options' => 'dbcache.enabled'), array('class_name' => 'W3_Plugin_ObjectCache', 'enable_options' => 'objectcache.enabled'), array('class_name' => 'W3_Pro_Plugin_FragmentCache', 'enable_options' => 'fragmentcache.enabled'), array('class_name' => 'W3_Plugin_PgCache', 'enable_options' => 'pgcache.enabled'), array('class_name' => 'W3_Plugin_Cdn', 'enable_options' => 'cdn.enabled'), array('class_name' => 'W3_Plugin_BrowserCache', 'enable_options' => 'browsercache.enabled'), array('class_name' => 'W3_Plugin_Minify', 'enable_options' => 'minify.enabled'), array('class_name' => 'W3_Plugin_Varnish', 'enable_options' => 'varnish.enabled'), array('class_name' => 'W3_Plugin_NewRelic', 'enable_options' => 'newrelic.enabled'));
     if (w3tc_edge_mode() && (w3_is_pro($this->_config) || w3_is_enterprise()) && w3tc_cdn_supports_realtime_purge($this->_config->get_string('cdn.engine'))) {
         $this->_plugins[] = array('class_name' => 'W3_Plugin_CdnCache', 'enable_options' => array('cdn.enabled', 'cdncache.enabled'));
     }
     if (is_admin()) {
         $this->_plugins[] = array('class_name' => 'W3_Plugin_TotalCacheAdmin', 'enable_options' => null);
         $this->_plugins[] = array('class_name' => 'W3_Plugin_PgCacheAdmin', 'enable_options' => 'pgcache.enabled');
         $this->_plugins[] = array('class_name' => 'W3_Plugin_MinifyAdmin', 'enable_options' => array('minify.enabled', 'minify.auto'));
         $this->_plugins[] = array('class_name' => 'W3_Plugin_NewRelicAdmin', 'enable_options' => null);
         $this->_plugins[] = array('class_name' => 'W3_Widget_Services', 'enable_options' => null);
         $this->_plugins[] = array('class_name' => 'W3_Widget_SpreadTheWord', 'enable_options' => null);
         $this->_plugins[] = array('class_name' => 'W3_Widget_News', 'enable_options' => null);
         $this->_plugins[] = array('class_name' => 'W3_Widget_Forum', 'enable_options' => null);
         $this->_plugins[] = array('class_name' => 'W3_Widget_MaxCDN', 'enable_options' => array(array('cdn.engine', '==', 'maxcdn'), '||', array('cdn.engine', '!=', 'netdna')));
         $this->_plugins[] = array('class_name' => 'W3_Widget_NetDNA', 'enable_options' => array(array('cdn.engine', '==', 'netdna')));
         $this->_plugins[] = array('class_name' => 'W3_Widget_NewRelic', 'enable_options' => null);
         $this->_plugins[] = array('class_name' => 'W3_Widget_PageSpeed', 'enable_options' => 'widget.pagespeed.enabled');
         $this->_plugins[] = array('class_name' => 'W3_AdminCompatibility', 'enable_options' => null);
         if (!(defined('W3TC_PRO') || w3_is_enterprise())) {
             $this->_plugins[] = array('class_name' => 'W3_Licensing', 'enable_options' => null);
         }
         $this->_plugins[] = array('class_name' => 'W3_Plugin_DefaultSettings', 'enable_options' => null);
         $this->_plugins[] = array('class_name' => 'W3_GeneralActions', 'enable_options' => array('pgcache.enabled', '||', 'varnish.enabled', '||', array('cdn.enabled', 'cdncache.enabled')));
         $this->_plugins[] = array('class_name' => 'W3_Plugin_ExtensionsAdmin', 'enable_options' => null);
         $this->_plugins[] = array('class_name' => 'W3_Plugin_NotificationsAdmin', 'enable_options' => null);
     }
     $this->_load_plugins();
     register_activation_hook(W3TC_FILE, array(&$this, 'activate'));
     register_deactivation_hook(W3TC_FILE, array(&$this, 'deactivate'));
 }

 function __construct()
 {
     $this->_config = w3_instance('W3_Config');
     $this->_caches['objectcache'] = w3_instance('W3_ObjectCache');
     if (w3_is_pro($this->_config) || w3_is_enterprise($this->_config)) {
         if ($this->_config->get_boolean('fragmentcache.enabled')) {
             $this->_caches['fragmentcache'] = w3_instance('W3_Pro_FragmentCache');
         }
     }
 }

 function generate_menu_array()
 {
     $pages = array('w3tc_dashboard' => array(__('Dashboard', 'w3-total-cache'), __('Dashboard', 'w3-total-cache'), 'network_show' => true), 'w3tc_general' => array(__('General Settings', 'w3-total-cache'), __('General Settings', 'w3-total-cache'), 'network_show' => false), 'w3tc_pgcache' => array(__('Page Cache', 'w3-total-cache'), __('Page Cache', 'w3-total-cache'), 'network_show' => false), 'w3tc_minify' => array(__('Minify', 'w3-total-cache'), __('Minify', 'w3-total-cache'), 'network_show' => false), 'w3tc_dbcache' => array(__('Database Cache', 'w3-total-cache'), __('Database Cache', 'w3-total-cache'), 'network_show' => false), 'w3tc_objectcache' => array(__('Object Cache', 'w3-total-cache'), __('Object Cache', 'w3-total-cache'), 'network_show' => false));
     if (w3_is_pro($this->_config) || w3_is_enterprise($this->_config)) {
         $pages['w3tc_fragmentcache'] = array(__('Fragment Cache', 'w3-total-cache'), __('Fragment Cache', 'w3-total-cache'), 'network_show' => false);
     }
     $pages = array_merge($pages, array('w3tc_browsercache' => array(__('Browser Cache', 'w3-total-cache'), __('Browser Cache', 'w3-total-cache'), 'network_show' => false), 'w3tc_mobile' => array(__('User Agent Groups', 'w3-total-cache'), __('User Agent Groups', 'w3-total-cache'), 'network_show' => false), 'w3tc_referrer' => array(__('Referrer Groups', 'w3-total-cache'), __('Referrer Groups', 'w3-total-cache'), 'network_show' => false), 'w3tc_cdn' => array(__('Content Delivery Network', 'w3-total-cache'), __('<acronym title="Content Delivery Network">CDN</acronym>', 'w3-total-cache'), 'network_show' => $this->_config->get_boolean('cdn.enabled')), 'w3tc_monitoring' => array(__('Monitoring', 'w3-total-cache'), __('Monitoring', 'w3-total-cache'), 'network_show' => false)));
     $pages_tail = array('w3tc_faq' => array(__('FAQ', 'w3-total-cache'), __('FAQ', 'w3-total-cache'), 'network_show' => true), 'w3tc_support' => array(__('Support', 'w3-total-cache'), __('<span style="color: red;">Support</span>', 'w3-total-cache'), 'network_show' => true), 'w3tc_install' => array(__('Install', 'w3-total-cache'), __('Install', 'w3-total-cache'), 'network_show' => false), 'w3tc_about' => array(__('About', 'w3-total-cache'), __('About', 'w3-total-cache'), 'network_show' => true));
     $pages = apply_filters('w3tc_menu', $pages, $this->_config, $this->_config_admin);
     $pages = array_merge($pages, $pages_tail);
     return $pages;
 }

 /**
  * Page cache tab
  *
  * @return void
  */
 function view()
 {
     global $wp_rewrite;
     $feeds = $wp_rewrite->feeds;
     $feed_key = array_search('feed', $feeds);
     if ($feed_key !== false) {
         unset($feeds[$feed_key]);
     }
     $default_feed = get_default_feed();
     $pgcache_enabled = $this->_config->get_boolean('pgcache.enabled');
     $permalink_structure = get_option('permalink_structure');
     $varnish_enabled = $this->_config->get_boolean('varnish.enabled');
     $cdn_mirror_purge_enabled = w3_is_cdn_mirror($this->_config->get_string('cdn.engine')) && $this->_config->get_string('cdn.engine') != 'mirror' && $this->_config->get_boolean('cdncache.enabled') && w3tc_edge_mode() && w3_is_pro($this->_config) || w3_is_enterprise();
     $disable_check_domain = w3_is_multisite() && w3_force_master();
     include W3TC_INC_DIR . '/options/pgcache.php';
 }

 function generate()
 {
     $pages = array('w3tc_dashboard' => array(__('Dashboard', 'w3-total-cache'), __('Dashboard', 'w3-total-cache'), 'network_show' => true), 'w3tc_general' => array(__('General Settings', 'w3-total-cache'), __('General Settings', 'w3-total-cache'), 'network_show' => false), 'w3tc_pgcache' => array(__('Page Cache', 'w3-total-cache'), __('Page Cache', 'w3-total-cache'), 'network_show' => false), 'w3tc_minify' => array(__('Minify', 'w3-total-cache'), __('Minify', 'w3-total-cache'), 'network_show' => false), 'w3tc_dbcache' => array(__('Database Cache', 'w3-total-cache'), __('Database Cache', 'w3-total-cache'), 'network_show' => false), 'w3tc_objectcache' => array(__('Object Cache', 'w3-total-cache'), __('Object Cache', 'w3-total-cache'), 'network_show' => false));
     if (w3_is_pro($this->_config) || w3_is_enterprise($this->_config)) {
         $pages['w3tc_fragmentcache'] = array(__('Fragment Cache', 'w3-total-cache'), __('Fragment Cache', 'w3-total-cache'), 'network_show' => false);
     }
     $pages = array_merge($pages, array('w3tc_browsercache' => array(__('Browser Cache', 'w3-total-cache'), __('Browser Cache', 'w3-total-cache'), 'network_show' => false), 'w3tc_mobile' => array(__('User Agent Groups', 'w3-total-cache'), __('User Agent Groups', 'w3-total-cache'), 'network_show' => false), 'w3tc_referrer' => array(__('Referrer Groups', 'w3-total-cache'), __('Referrer Groups', 'w3-total-cache'), 'network_show' => false), 'w3tc_cdn' => array(__('Content Delivery Network', 'w3-total-cache'), __('<acronym title="Content Delivery Network">CDN</acronym>', 'w3-total-cache'), 'network_show' => $this->_config->get_boolean('cdn.enabled')), 'w3tc_monitoring' => array(__('Monitoring', 'w3-total-cache'), __('Monitoring', 'w3-total-cache'), 'network_show' => false)));
     $pages_tail = array('w3tc_faq' => array(__('FAQ', 'w3-total-cache'), __('FAQ', 'w3-total-cache'), 'network_show' => true), 'w3tc_support' => array(__('Support', 'w3-total-cache'), __('<span style="color: red;">Support</span>', 'w3-total-cache'), 'network_show' => true), 'w3tc_install' => array(__('Install', 'w3-total-cache'), __('Install', 'w3-total-cache'), 'network_show' => false), 'w3tc_about' => array(__('About', 'w3-total-cache'), __('About', 'w3-total-cache'), 'network_show' => true));
     $pages = apply_filters('w3tc_menu', $pages, $this->_config, $this->_config_admin);
     $pages = array_merge($pages, $pages_tail);
     add_menu_page(__('Performance', 'w3-total-cache'), __('Performance', 'w3-total-cache'), 'manage_options', 'w3tc_dashboard', '', 'div');
     $submenu_pages = array();
     foreach ($pages as $slug => $titles) {
         if ($this->_config_admin->get_boolean('common.visible_by_master_only') && $titles['network_show'] || (!$this->_config_admin->get_boolean('common.visible_by_master_only') || is_super_admin() && (!w3_force_master() || is_network_admin()))) {
             $submenu_pages[] = add_submenu_page('w3tc_dashboard', $titles[0] . ' | W3 Total Cache', $titles[1], 'manage_options', $slug, array(&$this, 'options'));
         }
     }
     return $submenu_pages;
 }

 /**
  * Returns plugin-related environment handlers
  * @param W3_Config $config
  * @return array
  */
 private function get_handlers($config)
 {
     $a = array(w3_instance('W3_GenericAdminEnvironment'), w3_instance('W3_MinifyAdminEnvironment'), w3_instance('W3_PgCacheAdminEnvironment'), w3_instance('W3_BrowserCacheAdminEnvironment'), w3_instance('W3_ObjectCacheAdminEnvironment'), w3_instance('W3_DbCacheAdminEnvironment'), w3_instance('W3_CdnAdminEnvironment'), w3_instance('W3_NewRelicAdminEnvironment'));
     if (w3_is_pro($config) || w3_is_enterprise($config)) {
         array_push($a, w3_instance('W3_Pro_FragmentCacheAdminEnvironment'));
     }
     return $a;
 }

//.........这里部分代码省略.........
     if (!empty($ftp_host) && !empty($ftp_login) && !empty($ftp_password)) {
         $data['SSH / FTP host'] = $ftp_host;
         $data['SSH / FTP login'] = $ftp_login;
         $data['SSH / FTP password'] = $ftp_password;
     }
     /**
      * Store request data for future access
      */
     if (count($data)) {
         $hash = md5(microtime());
         $request_data = get_option('w3tc_request_data', array());
         $request_data[$hash] = $data;
         update_option('w3tc_request_data', $request_data);
         $request_data_url = sprintf('%s/w3tc_request_data/%s', w3_get_home_url(), $hash);
     } else {
         $request_data_url = '';
     }
     $nonce = wp_create_nonce('w3tc_support_request');
     if (is_network_admin()) {
         update_site_option('w3tc_support_request', $nonce);
     } else {
         update_option('w3tc_support_request', $nonce);
     }
     $file_access = WP_PLUGIN_URL . '/' . dirname(W3TC_FILE) . '/pub/files.php';
     if (w3_get_domain(w3_get_home_url()) != w3_get_domain(w3_get_site_url())) {
         $file_access = str_replace(w3_get_domain(w3_get_home_url()), w3_get_domain(w3_get_site_url()), $file_access);
     }
     $post['file_access'] = $file_access;
     $post['nonce'] = $nonce;
     $post['request_data_url'] = $request_data_url;
     $post['ip'] = $_SERVER['REMOTE_ADDR'];
     $post['user_agent'] = $_SERVER['HTTP_USER_AGENT'];
     $post['version'] = W3TC_VERSION;
     $post['plugin'] = 'W3 Total Cache';
     $post['request_id'] = $request_id;
     $license_level = 'community';
     if (w3_is_pro($this->_config)) {
         $license_level = 'pro';
     } elseif (w3_is_enterprise($this->_config)) {
         $license_level = 'enterprise';
     }
     $post['license_level'] = $license_level;
     $unset = array('wp_login', 'wp_password', 'ftp_host', 'ftp_login', 'ftp_password');
     foreach ($unset as $key) {
         unset($post[$key]);
     }
     foreach ($attachments as $attachment) {
         if (is_network_admin()) {
             update_site_option('attachment_' . md5($attachment), $attachment);
         } else {
             update_option('attachment_' . md5($attachment), $attachment);
         }
     }
     $post = array_merge($post, array('files' => $attachments));
     if (defined('W3_SUPPORT_DEBUG') && W3_SUPPORT_DEBUG) {
         $data = sprintf("[%s] Post support request\n", date('r'));
         foreach ($post as $key => $value) {
             $data .= sprintf("%s => %s\n", $key, is_array($value) ? implode(',', $value) : $value);
         }
         $filename = w3_cache_blog_dir('log') . '/support.log';
         if (!is_dir(dirname($filename))) {
             w3_mkdir_from(dirname($filename), W3TC_CACHE_DIR);
         }
         @file_put_contents($filename, $data, FILE_APPEND);
     }
     $response = wp_remote_post(W3TC_SUPPORT_REQUEST_URL, array('body' => $post, 'timeout' => $this->_config->get_integer('timelimit.email_send')));
     if (defined('W3_SUPPORT_DEBUG') && W3_SUPPORT_DEBUG) {
         $filename = w3_cache_blog_dir('log') . '/support.log';
         $data = sprintf("[%s] Post response \n%s\n", date('r'), print_r($response, true));
         @file_put_contents($filename, $data, FILE_APPEND);
     }
     if (!is_wp_error($response)) {
         $result = $response['response']['code'] == 200 && $response['body'] == 'Ok';
     } else {
         $result = false;
     }
     /**
      * Remove temporary files
      */
     foreach ($attachments as $attachment) {
         if (strstr($attachment, W3TC_CACHE_TMP_DIR) !== false) {
             @unlink($attachment);
         }
         if (is_network_admin()) {
             delete_site_option('attachment_' . md5($attachment));
         } else {
             delete_option('attachment_' . md5($attachment));
         }
     }
     if (is_network_admin()) {
         delete_site_option('w3tc_support_request');
     } else {
         delete_option('w3tc_support_request');
     }
     if ($result) {
         w3_admin_redirect(array('tab' => 'general', 'w3tc_note' => 'support_request'), false);
     } else {
         w3_admin_redirect(array_merge($params, array('request_type' => $request_type, 'w3tc_error' => 'support_request')), false);
     }
 }

 /**
  * Output buffering callback
  *
  * @param string $buffer
  * @return string
  */
 function ob_callback($buffer)
 {
     global $wpdb;
     if ($buffer != '') {
         if (w3_is_database_error($buffer)) {
             status_header(503);
         } else {
             if (w3_can_print_comment($buffer)) {
                 /**
                  * Add footer comment
                  */
                 $date = date_i18n('Y-m-d H:i:s');
                 $host = !empty($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : 'localhost';
                 if (w3_is_preview_mode()) {
                     $buffer .= "\r\n<!-- W3 Total Cache used in preview mode -->";
                 }
                 if ($this->_config->get_string('common.support') != '' || $this->_config->get_boolean('common.tweeted')) {
                     $buffer .= sprintf("\r\n<!-- Served from: %s @ %s by W3 Total Cache -->", w3_escape_comment($host), $date);
                 } else {
                     $strings = array();
                     if ($this->_config->get_boolean('minify.enabled') && !$this->_config->get_boolean('minify.debug')) {
                         $w3_plugin_minify = w3_instance('W3_Plugin_Minify');
                         $strings[] = sprintf(__('Minified using %s%s', 'w3-total-cache'), w3_get_engine_name($this->_config->get_string('minify.engine')), $w3_plugin_minify->minify_reject_reason != '' ? sprintf(' (%s)', $w3_plugin_minify->minify_reject_reason) : '');
                     }
                     if ($this->_config->get_boolean('pgcache.enabled') && !$this->_config->get_boolean('pgcache.debug')) {
                         $w3_pgcache = w3_instance('W3_PgCache');
                         $strings[] = sprintf(__('Page Caching using %s%s', 'w3-total-cache'), w3_get_engine_name($this->_config->get_string('pgcache.engine')), $w3_pgcache->cache_reject_reason != '' ? sprintf(' (%s)', $w3_pgcache->cache_reject_reason) : '');
                     }
                     if ($this->_config->get_boolean('dbcache.enabled') && !$this->_config->get_boolean('dbcache.debug')) {
                         /**
                          * @var W3_DbCache $db
                          */
                         $db = w3_instance('W3_DbCache');
                         $append = ($reason = $db->get_reject_reason()) ? sprintf(' (%s)', $reason) : '';
                         if ($db->query_hits) {
                             $strings[] = sprintf(__('Database Caching %d/%d queries in %.3f seconds using %s%s', 'w3-total-cache'), $db->query_hits, $db->query_total, $db->time_total, w3_get_engine_name($this->_config->get_string('dbcache.engine')), $append);
                         } else {
                             $strings[] = sprintf(__('Database Caching using %s%s', 'w3-total-cache'), w3_get_engine_name($this->_config->get_string('dbcache.engine')), $append);
                         }
                     }
                     if (w3_is_dbcluster()) {
                         $db_cluster = w3_instance('W3_Enterprise_DbCluster');
                         $strings[] = $db_cluster->status_message();
                     }
                     if ($this->_config->get_boolean('objectcache.enabled') && !$this->_config->get_boolean('objectcache.debug')) {
                         /**
                          * @var W3_ObjectCache $w3_objectcache
                          */
                         $w3_objectcache = w3_instance('W3_ObjectCache');
                         $append = ($reason = $w3_objectcache->get_reject_reason()) ? sprintf(' (%s)', $reason) : '';
                         $strings[] = sprintf(__('Object Caching %d/%d objects using %s%s', 'w3-total-cache'), $w3_objectcache->cache_hits, $w3_objectcache->cache_total, w3_get_engine_name($this->_config->get_string('objectcache.engine')), $append);
                     }
                     if (w3_is_pro($this->_config) || w3_is_enterprise($this->_config)) {
                         if ($this->_config->get_boolean('fragmentcache.enabled') && !$this->_config->get_boolean('fragmentcache.debug')) {
                             $w3_fragmentcache = w3_instance('W3_Pro_FragmentCache');
                             $append = $w3_fragmentcache->cache_reject_reason != '' ? sprintf(' (%s)', $w3_fragmentcache->cache_reject_reason) : '';
                             $strings[] = sprintf(__('Fragment Caching %d/%d fragments using %s%s', 'w3-total-cache'), $w3_fragmentcache->cache_hits, $w3_fragmentcache->cache_total, w3_get_engine_name($this->_config->get_string('fragmentcache.engine')), $append);
                         }
                     }
                     if ($this->_config->get_boolean('cdn.enabled') && !$this->_config->get_boolean('cdn.debug')) {
                         $w3_plugin_cdn = w3_instance('W3_Plugin_Cdn');
                         $w3_plugin_cdncommon = w3_instance('W3_Plugin_CdnCommon');
                         $cdn = $w3_plugin_cdncommon->get_cdn();
                         $via = $cdn->get_via();
                         $strings[] = sprintf(__('Content Delivery Network via %s%s', 'w3-total-cache'), $via ? $via : 'N/A', $w3_plugin_cdn->cdn_reject_reason != '' ? sprintf(' (%s)', $w3_plugin_cdn->cdn_reject_reason) : '');
                     }
                     if ($this->_config->get_boolean('newrelic.enabled')) {
                         $w3_newrelic = w3_instance('W3_Plugin_NewRelic');
                         $append = $w3_newrelic->newrelic_reject_reason != '' ? sprintf(' (%s)', $w3_newrelic->newrelic_reject_reason) : '';
                         $strings[] = sprintf(__("Application Monitoring using New Relic%s", 'w3-total-cache'), $append);
                     }
                     $buffer .= "\r\n<!-- Performance optimized by W3 Total Cache. Learn more: http://www.w3-edge.com/wordpress-plugins/\r\n";
                     if (count($strings)) {
                         $buffer .= "\r\n" . implode("\r\n", $strings) . "\r\n";
                     }
                     $buffer .= sprintf("\r\n Served from: %s @ %s by W3 Total Cache -->", w3_escape_comment($host), $date);
                 }
                 if ($this->is_debugging()) {
                     if ($this->_config->get_boolean('dbcache.enabled') && $this->_config->get_boolean('dbcache.debug')) {
                         $db = w3_instance('W3_DbCache');
                         $buffer .= "\r\n\r\n" . $db->_get_debug_info();
                     }
                     if ($this->_config->get_boolean('objectcache.enabled') && $this->_config->get_boolean('objectcache.debug')) {
                         $w3_objectcache = w3_instance('W3_ObjectCache');
                         $buffer .= "\r\n\r\n" . $w3_objectcache->_get_debug_info();
                     }
                     if (w3_is_pro($this->_config) || w3_is_enterprise($this->_config)) {
                         if ($this->_config->get_boolean('fragmentcache.enabled') && $this->_config->get_boolean('fragmentcache.debug')) {
                             $w3_fragmentcache = w3_instance('W3_Pro_FragmentCache');
                             $buffer .= "\r\n\r\n" . $w3_fragmentcache->_get_debug_info();
                         }
                     }
                 }
             }
//.........这里部分代码省略.........

 /**
  * @param $extensions
  * @param W3_Config $config
  * @return mixed
  */
 function extension($extensions, $config)
 {
     $fc_enabled = (w3_is_pro($config) || w3_is_enterprise($config)) && $config->get_boolean('fragmentcache.enabled');
     $activation_enabled = $fc_enabled && defined('PARENT_THEME_NAME') && PARENT_THEME_NAME == 'Genesis' && defined('PARENT_THEME_VERSION') && version_compare(PARENT_THEME_VERSION, '1.9.0') >= 0;
     $message = array();
     if (is_network_admin()) {
         w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/themes.php');
         $themes = w3tc_get_themes();
         $exists = false;
         foreach ($themes as $theme) {
             if (strtolower($theme->Template) == 'genesis') {
                 $exists = true;
             }
         }
         if (!$exists) {
             $message[] = 'Genesis Framework';
         }
     } elseif (!(defined('PARENT_THEME_NAME') && PARENT_THEME_NAME == 'Genesis')) {
         $message[] = 'Genesis Framework version >= 1.9.0';
     }
     if (!$fc_enabled) {
         $message[] = 'Fragment Cache (W3 Total Cache Pro)';
     }
     $extensions['genesis.theme'] = array('name' => 'Genesis Framework', 'author' => 'W3 EDGE', 'description' => 'Provides 30-60% improvement in page generation time for the Genesis Framework by Copyblogger Media.', 'author uri' => 'http://www.w3-edge.com/', 'extension uri' => 'http://www.w3-edge.com/', 'extension id' => 'genesis.theme', 'version' => '0.1', 'enabled' => $activation_enabled, 'requirements' => implode(', ', $message), 'path' => 'w3-total-cache/extensions/Genesis.php');
     return $extensions;
 }

                    <?php 
    $this->checkbox_debug('cdn.debug');
    ?>
 <?php 
    _e('<acronym title="Content Delivery Network">CDN</acronym>', 'w3-total-cache');
    ?>
</label><br />
                    <?php 
    $this->checkbox_debug('varnish.debug');
    ?>
 <?php 
    _e('Reverse Proxy', 'w3-total-cache');
    ?>
</label><br />
                    <?php 
    if (w3_is_enterprise()) {
        ?>
                    <?php 
        $this->checkbox_debug('cluster.messagebus.debug');
        ?>
 <?php 
        _e('Amazon <acronym title="Simple Notification Service">SNS</acronym>', 'w3-total-cache');
        ?>
</label><br />
                    <?php 
    }
    ?>
                    <span class="description"><?php 
    _e('If selected, detailed caching information will be appear at the end of each page in a <acronym title="Hypertext Markup Language">HTML</acronym> comment. View a page\'s source code to review.', 'w3-total-cache');
    ?>
</span>

/**
 * @var W3_Config $config
 * @return string
 */
function w3_w3tc_release_version($config = null)
{
    if (w3_is_enterprise($config)) {
        return 'enterprise';
    }
    if (w3_is_pro($config) && w3tc_is_pro_dev_mode()) {
        return 'pro development';
    }
    if (w3_is_pro($config)) {
        return 'pro';
    }
    return 'community';
}

 /**
  * Admin bar menu
  *
  * @return void
  */
 function admin_bar_menu()
 {
     global $wp_admin_bar;
     if (current_user_can('manage_options')) {
         /**
          * @var $modules W3_ModuleStatus
          */
         $modules = w3_instance('W3_ModuleStatus');
         $can_empty_memcache = $modules->can_empty_memcache();
         $can_empty_opcode = $modules->can_empty_opcode();
         $can_empty_file = $modules->can_empty_file();
         $can_empty_varnish = $modules->can_empty_varnish();
         $browsercache_update_media_qs = $this->_config->get_boolean('browsercache.cssjs.replace') || $this->_config->get_boolean('browsercache.other.replace');
         //$cdn_enabled = $modules->is_enabled('cdn');
         $cdn_engine = $modules->get_module_engine('cdn');
         $cdn_mirror = w3_is_cdn_mirror($cdn_engine);
         $menu_items = array(array('id' => 'w3tc', 'title' => 'Performance', 'href' => admin_url('admin.php?page=w3tc_dashboard')));
         if ($modules->is_enabled('pgcache') && w3_detect_post_id() && (!defined('DOING_AJAX') || !DOING_AJAX)) {
             $menu_items[] = array('id' => 'w3tc-pgcache-purge-post', 'parent' => 'w3tc', 'title' => 'Purge From Cache', 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_pgcache_purge_post&post_id=' . $this->_detect_post_id()), 'w3tc'));
         }
         if ($can_empty_file && ($can_empty_opcode || $can_empty_memcache)) {
             $menu_items[] = array('id' => 'w3tc-flush-file', 'parent' => 'w3tc-empty-caches', 'title' => 'Empty Disc Cache(s)', 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_file'), 'w3tc'));
         }
         if ($can_empty_opcode && ($can_empty_file || $can_empty_memcache)) {
             $menu_items[] = array('id' => 'w3tc-flush-opcode', 'parent' => 'w3tc-empty-caches', 'title' => 'Empty Opcode Cache', 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_opcode'), 'w3tc'));
         }
         if ($can_empty_memcache && ($can_empty_file || $can_empty_opcode)) {
             $menu_items[] = array('id' => 'w3tc-flush-memcached', 'parent' => 'w3tc-empty-caches', 'title' => 'Empty Memcached Cache(s)', 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_memcached'), 'w3tc'));
         }
         if ($modules->is_enabled('browsercache') && $browsercache_update_media_qs) {
             $menu_items[] = array('id' => 'w3tc-update-media-qs', 'parent' => 'w3tc', 'title' => 'Update Media Query String', 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_browser_cache'), 'w3tc'));
         }
         if ($modules->plugin_is_enabled()) {
             $menu_items[] = array('id' => 'w3tc-empty-caches', 'parent' => 'w3tc', 'title' => 'Empty All Caches', 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_all'), 'w3tc'));
             $menu_items[] = array('id' => 'w3tc-modules', 'parent' => 'w3tc', 'title' => 'Empty Modules');
         }
         if ($modules->is_enabled('pgcache')) {
             $menu_items[] = array('id' => 'w3tc-flush-pgcache', 'parent' => 'w3tc-modules', 'title' => 'Empty Page Cache', 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_pgcache'), 'w3tc'));
         }
         if ($modules->is_enabled('minify')) {
             $menu_items[] = array('id' => 'w3tc-flush-minify', 'parent' => 'w3tc-modules', 'title' => 'Empty Minify Cache', 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_minify'), 'w3tc'));
         }
         if ($modules->is_enabled('dbcache')) {
             $menu_items[] = array('id' => 'w3tc-flush-dbcache', 'parent' => 'w3tc-modules', 'title' => 'Empty Database Cache', 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_dbcache'), 'w3tc'));
         }
         if ($modules->is_enabled('objectcache')) {
             $menu_items[] = array('id' => 'w3tc-flush-objectcache', 'parent' => 'w3tc-modules', 'title' => 'Empty Object Cache', 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_objectcache'), 'w3tc'));
         }
         if (w3_is_pro() || w3_is_enterprise()) {
             if ($modules->is_enabled('fragmentcache')) {
                 $menu_items[] = array('id' => 'w3tc-flush-fragmentcache', 'parent' => 'w3tc-modules', 'title' => 'Empty Fragment Cache', 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_fragmentcache'), 'w3tc'));
             }
         }
         if ($modules->is_enabled('varnish')) {
             $menu_items[] = array('id' => 'w3tc-flush-varnish', 'parent' => 'w3tc-modules', 'title' => 'Purge Varnish Cache', 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_varnish'), 'w3tc'));
         }
         if ($modules->is_enabled('cdn')) {
             if (w3_can_cdn_purge($cdn_engine)) {
                 $menu_items[] = array('id' => 'w3tc-cdn-purge', 'parent' => 'w3tc', 'title' => 'Purge CDN', 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_cdn&w3tc_cdn_purge'), 'w3tc'), 'meta' => array('onclick' => "w3tc_popupadmin_bar(this.href); return false"));
             }
             if (w3_cdn_can_purge_all($cdn_engine)) {
                 $menu_items[] = array('id' => 'w3tc-cdn-purge-full', 'parent' => 'w3tc', 'title' => 'Purge CDN Completely', 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_cdn&w3tc_flush_cdn'), 'w3tc'));
             }
             if (!$cdn_mirror) {
                 $menu_items[] = array('id' => 'w3tc-cdn-queue', 'parent' => 'w3tc', 'title' => 'Unsuccessfull file transfers', 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_cdn&w3tc_cdn_queue'), 'w3tc'), 'meta' => array('onclick' => "w3tc_popupadmin_bar(this.href); return false"));
             }
         }
         $menu_items = array_merge($menu_items, array(array('id' => 'w3tc-faq', 'parent' => 'w3tc', 'title' => 'FAQ', 'href' => admin_url('admin.php?page=w3tc_faq')), array('id' => 'w3tc-support', 'parent' => 'w3tc', 'title' => '<span style="color: red; background: none;">Support</span>', 'href' => admin_url('admin.php?page=w3tc_support'))));
         if ($modules->is_enabled('cloudflare')) {
             $menu_items = array_merge($menu_items, array(array('id' => 'cloudflare', 'title' => 'CloudFlare', 'href' => 'https://www.cloudflare.com'), array('id' => 'cloudflare-my-websites', 'parent' => 'cloudflare', 'title' => 'My Websites', 'href' => 'https://www.cloudflare.com/my-websites.html'), array('id' => 'cloudflare-analytics', 'parent' => 'cloudflare', 'title' => 'Analytics', 'href' => 'https://www.cloudflare.com/analytics.html'), array('id' => 'cloudflare-account', 'parent' => 'cloudflare', 'title' => 'Account', 'href' => 'https://www.cloudflare.com/my-account.html')));
         }
         foreach ($menu_items as $menu_item) {
             $wp_admin_bar->add_menu($menu_item);
         }
     }
 }

                <th colspan="2">
                    <?php 
$this->checkbox('cdn.import.external');
?>
 <?php 
w3_e_config_label('cdn.import.external');
?>
</label><br />
                    <span class="description"><?php 
_e('Download attachments hosted elsewhere into your media library and deliver them via <acronym title="Content Delivery Network">CDN</acronym>.', 'w3-total-cache');
?>
</span>
                </th>
            </tr>
            <?php 
if (w3tc_edge_mode() && w3_is_pro($this->_config) || w3_is_enterprise()) {
    ?>
            <tr>
                <th colspan="2">
                    <?php 
    $this->checkbox('cdncache.enabled', !$cdn_supports_full_page_mirroring);
    ?>
 <?php 
    w3_e_config_label('cdncache.enabled');
    ?>
</label><br/>
                    <span class="description">
                    	<?php 
    echo sprintf(__('Enabling this option allows the <acronym title="Content Delivery Network">CDN</acronym> to handle requests for unauthenticated pages thereby reducing the traffic load on the origin server(s). Purge policies are set on the <a href="%s">Page Cache settings</a> tab.', 'w3-total-cache'), network_admin_url('admin.php?page=w3tc_pgcache#purge_policy'));
    ?>
                    </span>

 /**
  * Save support us action
  *
  * @return void
  */
 function action_config_save_support_us()
 {
     $support = W3_Request::get_string('support');
     $tweeted = W3_Request::get_boolean('tweeted');
     $signmeup = W3_Request::get_boolean('signmeup');
     $this->_config->set('common.support', $support);
     $this->_config->set('common.tweeted', $tweeted);
     if ($signmeup) {
         if (w3_is_pro($this->_config)) {
             $license = 'pro';
         } elseif (w3_is_enterprise()) {
             $license = 'enterprise';
         } else {
             $license = 'community';
         }
         $email = filter_input(INPUT_POST, 'email', FILTER_SANITIZE_EMAIL);
         wp_remote_post(W3TC_MAILLINGLIST_SIGNUP_URL, array('body' => array('email' => $email, 'license' => $license)));
     }
     $this->_config->save();
     w3_instance('W3_AdminLinks')->link_update($this->_config);
     w3_admin_redirect(array('w3tc_note' => 'config_save'));
 }