Folder::exists PHP Метод

    public function exists()
    {
        return is_dir($this->root);
    }

 /**
  * Run the instance of a given hook
  *
  * @param string  $namespace  The namespace (addon/aspect) calling the hook
  * @param string  $hook       Name of hook
  * @param string  $type       Cumulative/replace/call
  * @param mixed   $return     Pass-through values
  * @param mixed   $data       Data to pass to hooked method
  * @return mixed
  */
 public static function run($namespace, $hook, $type = NULL, $return = NULL, $data = NULL)
 {
     // @Todo: Clean this up globally
     $addons_path = BASE_PATH . Config::getAddOnsPath();
     if (Folder::exists($addons_path) && Folder::exists(APP_PATH . '/core/tags')) {
         $finder = new Finder();
         $files = $finder->files()->in($addons_path)->in(APP_PATH . '/core/tags')->name("hooks.*.php");
         foreach ($files as $file) {
             require_once $file->getRealPath();
             $class_name = 'Hooks_' . $file->getRelativePath();
             $hook_class = new $class_name();
             $method = $namespace . '__' . $hook;
             if (!method_exists($hook_class, $method)) {
                 continue;
             }
             if ($type == 'cumulative') {
                 $response = $hook_class->{$method}($data);
                 if (is_array($response)) {
                     $return = is_array($return) ? $return + $response : $response;
                 } else {
                     $return .= $response;
                 }
             } elseif ($type == 'replace') {
                 $return = $hook_class->{$method}($data);
             } else {
                 $hook_class->{$method}($data);
             }
         }
     } else {
         Log::error('Add-ons path not found', 'hooks');
     }
     return $return;
 }