PHP wp_cache_clear_cache函数代码示例

 static function clearall()
 {
     //Cache not available :(
     if (!autoptimizeCache::cacheavail()) {
         return false;
     }
     //Clean the cachedir
     $scan = scandir(AUTOPTIMIZE_CACHE_DIR);
     foreach ($scan as $file) {
         if (!in_array($file, array('.', '..')) && strpos($file, 'autoptimize') !== false && is_file(AUTOPTIMIZE_CACHE_DIR . $file)) {
             @unlink(AUTOPTIMIZE_CACHE_DIR . $file);
         }
     }
     //Do we need to clean WP Super Cache's cache files?
     if (function_exists('wp_cache_clear_cache')) {
         //Newer WP-Super-Cache
         //See http://ocaoimh.ie/wp-super-cache-developers/
         wp_cache_clear_cache();
     } elseif (file_exists(WP_CONTENT_DIR . '/wp-cache-config.php') && function_exists('prune_super_cache')) {
         //Old WP-Super-Cache
         global $cache_path;
         prune_super_cache($cache_path . 'supercache/', true);
         prune_super_cache($cache_path, true);
     }
     return true;
 }

 static function run()
 {
     error_log('pl5 - run() at ' . __CLASS__);
     if (!function_exists('wp_cache_clear_cache')) {
         return false;
     }
     wp_cache_clear_cache();
     error_log('pl5 - cleared WP-Super-Cache caches.');
 }

 /**
  * Clears the cache
  */
 function clear_cache()
 {
     if (function_exists('w3tc_pgcache_flush')) {
         w3tc_pgcache_flush();
     } else {
         if (function_exists('wp_cache_clear_cache')) {
             wp_cache_clear_cache();
         }
     }
 }

function nrelate_flush_wpsc_cache($msg = '')
{
    // Flush Super Cache
    // @cred: http://wordpress.org/extend/plugins/wordpress-seo/
    if (function_exists('wp_cache_clear_cache')) {
        wp_cache_clear_cache();
        $msg .= __(' & WP Super Cache flushed');
    }
    return $msg;
}

 function clear_cache()
 {
     if (function_exists('wp_cache_clear_cache')) {
         ob_end_clean();
         wp_cache_clear_cache();
     }
     if (function_exists('w3tc_pgcache_flush')) {
         ob_end_clean();
         w3tc_pgcache_flush();
     }
     nocache_headers();
 }

/**
 * Required functions for the plugin.
 *
 * @link       http://www.69signals.com
 * @since      1.0
 * @package    Signals_Maintenance_Mode
 */
function csmm_render_template($options)
{
    // Fix for W3 Total Cache plugin
    if (function_exists('wp_cache_clear_cache')) {
        ob_end_clean();
        wp_cache_clear_cache();
    }
    // Fix for WP Super Cache plugin
    if (function_exists('w3tc_pgcache_flush')) {
        ob_end_clean();
        w3tc_pgcache_flush();
    }
    /**
     * Using the nocache_headers() to ensure that different nocache headers are sent to different browsers.
     * We don't want any browser to cache the maintainance page.
     * Also, output buffering is turned on.
     */
    nocache_headers();
    ob_start();
    // Checking for options required for the plugin
    if (empty($options['title'])) {
        $options['title'] = __('Maintainance Mode', 'signals');
    }
    if (empty($options['input_text'])) {
        $options['input_text'] = __('Enter your email address..', 'signals');
    }
    if (empty($options['button_text'])) {
        $options['button_text'] = __('Subscribe', 'signals');
    }
    // Response message
    if (empty($options['message_noemail'])) {
        $options['message_noemail'] = __('Oops! Something went wrong.', 'signals');
    }
    if (empty($options['message_subscribed'])) {
        $options['message_subscribed'] = __('You are already subscribed!', 'signals');
    }
    if (empty($options['message_wrong'])) {
        $options['message_wrong'] = __('Oops! Something went wrong.', 'signals');
    }
    if (empty($options['message_done'])) {
        $options['message_done'] = __('Thank you! We\'ll be in touch!', 'signals');
    }
    // Template file
    if ('1' == $options['disable_settings']) {
        require_once SIGNALS_CSMM_PATH . 'framework/public/views/blank.php';
    } else {
        require_once SIGNALS_CSMM_PATH . 'framework/public/views/html.php';
    }
    ob_flush();
    exit;
}

 /**
  * Clears caches of content generated by caching plugins like WP Super Cache
  *
  * @mvc Model
  */
 protected static function clear_caching_plugins()
 {
     // WP Super Cache
     if (function_exists('wp_cache_clear_cache')) {
         wp_cache_clear_cache();
     }
     // W3 Total Cache
     if (class_exists('W3_Plugin_TotalCacheAdmin')) {
         $w3_total_cache = w3_instance('W3_Plugin_TotalCacheAdmin');
         if (method_exists($w3_total_cache, 'flush_all')) {
             $w3_total_cache->flush_all();
         }
     }
 }

 /**
  * Clear full page cache
  */
 public function clear_pagecache()
 {
     /**
      * Clear full page cache from active plugin modules
      */
     foreach ($this->active_modules as $module) {
         $module->clear_pagecache();
     }
     /**
      * Other cache clear methods
      */
     if (function_exists('w3tc_pgca	che_flush')) {
         w3tc_pgcache_flush();
     } else {
         if (function_exists('wp_cache_clear_cache')) {
             wp_cache_clear_cache();
         }
     }
 }

 /**
  * Clears caches of content generated by caching plugins like WP Super Cache
  *
  * @mvc Model
  */
 public static function clear_caching_plugins()
 {
     // WP Super Cache
     if (function_exists('wp_cache_clear_cache')) {
         wp_cache_clear_cache();
     }
     // W3 Total Cache
     if (class_exists('W3_Plugin_TotalCacheAdmin')) {
         $w3_total_cache = w3_instance('W3_Plugin_TotalCacheAdmin');
         if (method_exists($w3_total_cache, 'flush_all')) {
             $w3_total_cache->flush_all();
         }
     }
     //Hyper Cache
     if (class_exists('HyperCache')) {
         $hyper_cache = HyperCache::$instance;
         if (method_exists($hyper_cache, 'flush_all')) {
             $hyper_cache->remove_dir($hyper_cache->get_folder() . '');
         }
     }
 }

 /**
  * Clear caches.
  *
  * Clears popular WordPress caching mechanisms.
  *
  * @since 4.0.0
  *
  * @param bool $page [optional] true to clear page cache
  *
  * @return void
  */
 public static function clear_caches($page = false)
 {
     //clear APC Cache
     if (function_exists('apc_store')) {
         apc_clear_cache();
         //Let's clear APC (if it exists) when big stuff is saved.
     }
     //clear w3 total cache or wp super cache
     if (function_exists('w3tc_pgcache_flush')) {
         if (true == $page) {
             w3tc_pgcache_flush();
             w3tc_minify_flush();
         }
         w3tc_dbcache_flush();
         w3tc_objectcache_flush();
     } else {
         if (function_exists('wp_cache_clear_cache') && true == $page) {
             wp_cache_clear_cache();
         }
     }
 }

 function flatsome_maintenance_mode_on_deactivation()
 {
     if (!current_user_can('activate_plugins')) {
         return;
     }
     $plugin = isset($_REQUEST['plugin']) ? $_REQUEST['plugin'] : '';
     check_admin_referer("deactivate-plugin_{$plugin}");
     // Clear Cachify Cache
     if (has_action('cachify_flush_cache')) {
         do_action('cachify_flush_cache');
     }
     // Clear Super Cache
     if (function_exists('wp_cache_clear_cache')) {
         ob_end_clean();
         wp_cache_clear_cache();
     }
     // Clear W3 Total Cache
     if (function_exists('w3tc_pgcache_flush')) {
         ob_end_clean();
         w3tc_pgcache_flush();
     }
 }

 /**
  * Clear something from the cache
  *
  * @param array $args
  * @param array $vars
  */
 function flush($args = array(), $vars = array())
 {
     if (function_exists('wp_cache_clear_cache')) {
         if (isset($vars['post_id'])) {
             if (is_numeric($vars['post_id'])) {
                 wp_cache_post_change($vars['post_id']);
             } else {
                 WP_CLI::error('This is not a valid post id.');
             }
             wp_cache_post_change($vars['post_id']);
         } elseif (isset($vars['permalink'])) {
             $id = url_to_postid($vars['permalink']);
             if (is_numeric($id)) {
                 wp_cache_post_change($id);
             } else {
                 WP_CLI::error('There is no post with this permalink.');
             }
         } else {
             wp_cache_clear_cache();
         }
     } else {
         WP_CLI::error('The WP Super Cache could not be found, is it installed?');
     }
 }

 /**
  * save_to_external_file function.
  * 
  * @access public
  * @param mixed $content
  * @return void
  */
 function save_to_external_file($content, $data)
 {
     if (!wp_mkdir_p($this->path_to)) {
         $this->error[] = 'couldn\'t create filder ' . $this->path_to;
         return 1;
         // we can't make the folder
     }
     if (empty($content)) {
         $this->unlink_files(true);
         // delete all the files
         $data['post_excerpt'] = null;
         // don't link to any files
         return $data;
     }
     do_action('CPT_to_file_save_to_file' . $this->post_type, $content);
     // lets minify the javascript to save first to solve timing issues
     $filtered_content = apply_filters('CPT_to_file_save_to_file_filter-' . $this->post_type, $content);
     $timestamp = time();
     if ($filtered_content) {
         $this->filterd_file_name = 'custom-' . $this->file_type . '-' . $timestamp . '.min' . $this->file_extension;
         $this->update_file($this->filterd_file_name, $filtered_content);
     } else {
         $this->error[] = 'Minified file wasn\'t created';
     }
     // update the regular file
     $this->update_file($this->file_name, $content);
     $data['post_excerpt'] = empty($this->filterd_file_name) ? $this->file_name : $this->filterd_file_name;
     if (function_exists('wp_cache_clear_cache')) {
         wp_cache_clear_cache();
     }
     // lets delete the old minified files
     $this->unlink_files();
     return $data;
 }

function autoptimize_flush_pagecache($nothing)
{
    if (function_exists('wp_cache_clear_cache')) {
        if (is_multisite()) {
            $blog_id = get_current_blog_id();
            wp_cache_clear_cache($blog_id);
        } else {
            wp_cache_clear_cache();
        }
    } else {
        if (has_action('cachify_flush_cache')) {
            do_action('cachify_flush_cache');
        } else {
            if (function_exists('w3tc_pgcache_flush')) {
                w3tc_pgcache_flush();
                // w3 total cache
            } else {
                if (function_exists('hyper_cache_invalidate')) {
                    hyper_cache_invalidate();
                    // hypercache
                } else {
                    if (function_exists('wp_fast_cache_bulk_delete_all')) {
                        wp_fast_cache_bulk_delete_all();
                        // wp fast cache
                    } else {
                        if (class_exists("WpFastestCache")) {
                            $wpfc = new WpFastestCache();
                            // wp fastest cache
                            $wpfc->deleteCache();
                        } else {
                            if (class_exists("c_ws_plugin__qcache_purging_routines")) {
                                c_ws_plugin__qcache_purging_routines::purge_cache_dir();
                                // quick cache
                            } else {
                                if (file_exists(WP_CONTENT_DIR . '/wp-cache-config.php') && function_exists('prune_super_cache')) {
                                    // fallback for WP-Super-Cache
                                    global $cache_path;
                                    if (is_multisite()) {
                                        $blog_id = get_current_blog_id();
                                        prune_super_cache(get_supercache_dir($blog_id), true);
                                        prune_super_cache($cache_path . 'blogs/', true);
                                    } else {
                                        prune_super_cache($cache_path . 'supercache/', true);
                                        prune_super_cache($cache_path, true);
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}

 function supernova_writer()
 {
     // @since Supernova 1.4.8 temporarily unavailable.
     update_option('supernova_file_write_status', 'failed');
     return false;
     $test = get_option('supernova_test');
     $file_status = get_option('supernova_file_write_status');
     if ($test != 2) {
         update_option('supernova_test', 1);
         // To track the first attempt
     }
     if ($test == 1) {
         if ($file_status == 'failed') {
             update_option('supernova_test', 2);
             return false;
             //We wont try to write files after one attempt was failed and will stop right here.
         }
     }
     // else go ahead.
     if (!isset($_GET['settings-updated']) && !isset($_GET['_wpnonce'])) {
         update_option('supernova_file_write_status', 'failed');
         // @since Supernova 1.4.
     } else {
         // okay, let's see about getting credentials
         $url = wp_nonce_url('themes.php?page=theme-options');
         $method = '';
         if (false === ($creds = request_filesystem_credentials($url, $method, false, false, null))) {
             // if we get here, then we don't have credentials yet,
             return true;
         }
         // now we have some credentials, try to get the wp_filesystem running
         if (!WP_Filesystem($creds)) {
             // our credentials were no good, ask the user for them again
             request_filesystem_credentials($url, '', true, false, $_POST);
             return true;
         }
         global $wp_filesystem;
         $upload_dir = wp_upload_dir();
         if (!is_dir(trailingslashit($upload_dir['basedir']) . 'supernova_directory')) {
             if (!$wp_filesystem->mkdir(trailingslashit($upload_dir['basedir']) . 'supernova_directory')) {
                 update_option('supernova_file_write_status', 'failed');
                 // We will hook it normally if something goes wrong
                 echo "after here";
             } else {
                 update_option('supernova_old_user_check', 'no');
             }
         }
         $filename = trailingslashit($upload_dir['basedir']) . 'supernova_directory/custom-styles.css';
         if (!$wp_filesystem->put_contents($filename, supernova_user_css(), FS_CHMOD_FILE)) {
             update_option('supernova_file_write_status', 'failed');
         } else {
             update_option('supernova_old_user_check', 'no');
             update_option('supernova_file_write_status', 'passed');
             if (function_exists('wp_cache_clear_cache')) {
                 wp_cache_clear_cache();
             } elseif (function_exists('w3tc_minify_flush')) {
                 w3tc_minify_flush();
             }
         }
         return true;
     }
 }