Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /www/sf/mysql.php:12 Stack trace: #0 /www/sf/mysql.php(103): DB->__construct('classroom_fm_cl...', 'localhost', 'class_fm_classr...', 'pMkehpU4VTY8') #1 /www/sf/main.php(2): include_once('/www/sf/mysql.p...') #2 /www/sf/index.php(42): include('/www/sf/main.ph...') #3 {main} thrown in /www/sf/mysql.php on line 12