Ramsey\Uuid\Provider\Node\RandomNodeProvider::getNode PHP Метод

Returns the system node ID

public getNode ( ) : string
Результат	string	System node ID as a hexadecimal string

    public function getNode()
    {
        return sprintf('%06x%06x', mt_rand(0, 0xffffff), mt_rand(0, 0xffffff));
    }

RandomNodeProvider