Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /class/connection_class.php:21 Stack trace: #0 /class/connection_class.php(16): connection->connect() #1 /class/page_class.php(49): connection->connection() #2 /index.php(4): page->__construct() #3 {main} thrown in /class/connection_class.php on line 21