ManaPHP\Cache\Adapter\Db::get PHP Method

    public function get($key)
    {
        /**
         * @var \ManaPHP\Cache\Adapter\Db\Model $model
         */
        $model = new $this->_model();
        $model = $model::findFirst(['hash' => md5($key)]);
        if ($model !== false && $model->expired_time > time()) {
            return $model->value;
        } else {
            return false;
        }
    }