Fatal error: Uncaught ArgumentCountError: mysqli_connect_errno() expects exactly 0 arguments, 1 given in /data/7/f/7f97898a-13ea-41cb-909e-e934dabda44c/yasmina.hu/web/oktatas.php:3 Stack trace: #0 /data/7/f/7f97898a-13ea-41cb-909e-e934dabda44c/yasmina.hu/web/oktatas.php(3): mysqli_connect_errno(false) #1 {main} thrown in /data/7/f/7f97898a-13ea-41cb-909e-e934dabda44c/yasmina.hu/web/oktatas.php on line 3