Psecio\Gatekeeper\DataSource::__construct PHP Метод

    public function __construct(array $config)
    {
        $this->setConfig($config);
    }

 /**
  * Create our PDO connection, then call parent
  *
  * @param array $config Configuration options
  * @param \PDO $pdo PDO instance
  */
 public function __construct(array $config, \PDO $pdo = null)
 {
     $pdo = $pdo === null ? $this->buildPdo($config) : $pdo;
     $this->setDb($pdo);
     parent::__construct($config);
 }