Fatal error: Uncaught Error: Call to undefined function mysql_connect() in D:\htdocs\_php\classes\connection.class.php:35 Stack trace: #0 D:\htdocs\_php\classes\connection.class.php(24): Connection->openConnection() #1 D:\htdocs\_php\classes\connection.class.php(16): Connection->connect() #2 D:\htdocs\_php\functions.php(79): Connection->__construct('localhost', 'root', 'root', 'gurucodertutori...') #3 D:\htdocs\tutorial-3.php(41): getUsers() #4 {main} thrown in D:\htdocs\_php\classes\connection.class.php on line 35