public static function __init(array $options = array())
 {
     parent::__init($options);
     $self = static::_instance();
     Comment::applyFilter('save', function ($self, $params, $chain) {
         $comment = $params['record'];
         if (!$comment->id) {
             $comment->created = date('Y-m-d h:i:s');
         } else {
             $comment->modified = date('Y-m-d h:i:s');
         }
         $params['record'] = $comment;
         return $chain->next($self, $params, $chain);
     });
     Validator::add('validName', '/^[A-Za-z0-9\'\\s]+$/');
 }