Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'php'@'localhost' (using password: YES) in C:\xampp\htdocs\School\contest.php:2 Stack trace: #0 C:\xampp\htdocs\School\contest.php(2): mysqli_connect('localhost', 'php', Object(SensitiveParameterValue)) #1 {main} thrown in C:\xampp\htdocs\School\contest.php on line 2