Fatal error: Uncaught ArgumentCountError: mysqli_select_db() expects exactly 2 arguments, 1 given in C:\inetpub\vhosts\w3tutor.in\httpdocs\classes.php:7
Stack trace:
#0 C:\inetpub\vhosts\w3tutor.in\httpdocs\classes.php(7): mysqli_select_db()
#1 C:\inetpub\vhosts\w3tutor.in\httpdocs\index.php(3): tutor->__construct()
#2 {main}
thrown in C:\inetpub\vhosts\w3tutor.in\httpdocs\classes.php on line 7