public function save($data, $id, $tags = array(), $specificLifetime = false)
    {
        $result = parent::save($data, $id, array(), $specificLifetime);
        if ($tags) {
            if (!method_exists($this->_handle, 'tag_add')) {
                \Zend_Cache::throwException('Method tag_add() is not supported by the PHP memcached extension!');
            }
            foreach ($tags as $tag) {
                $this->_handle->tag_add($tag, $id);
            }
            return true;
        }
        return $result;
    }