public function &__get($key)
    {
        $result = null;

        if ($key == 'name') {
            $result = $this->_name;
        }

        if ($key == 'expire') {
            $result = $this->_expire;
        }

        if ($key == 'path') {
            $result = $this->_path;
        }

        return $result;
    }