Warning: mysqli::__construct(): (HY000/1045): Access denied for user 'root'@'localhost' (using password: NO) in C:\xampp\htdocs\Orphan-Art-Connect_Backend-main\update_role.php on line 2

Warning: Trying to access array offset on value of type null in C:\xampp\htdocs\Orphan-Art-Connect_Backend-main\update_role.php on line 5

Warning: Trying to access array offset on value of type null in C:\xampp\htdocs\Orphan-Art-Connect_Backend-main\update_role.php on line 5

Fatal error: Uncaught Error: mysqli object is already closed in C:\xampp\htdocs\Orphan-Art-Connect_Backend-main\update_role.php:7 Stack trace: #0 C:\xampp\htdocs\Orphan-Art-Connect_Backend-main\update_role.php(7): mysqli->query('UPDATE users SE...') #1 {main} thrown in C:\xampp\htdocs\Orphan-Art-Connect_Backend-main\update_role.php on line 7