private function connect()
    {
		$this->sessionLink = mysqli_connect($this->host_master,$this->user,$this->password,$this->name) or die("Error " . mysqli_error($this->sessionLink));

//        $this->pdo = new \PDO($dsn, $this->username, $this->password, $this->connectionOptions);
//        $this->pdo->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
//        $this->driver = $this->pdo->getAttribute(\PDO::ATTR_DRIVER_NAME);
    }