Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /class/Database.php:40 Stack trace: #0 /class/Database.php(17): Database->connect('localhost', 'paperplane', 'PaperPlane1') #1 /bootstrap.php(33): Database->__construct(Array) #2 /index.php(2): require_once('/bootstrap.php') #3 {main} thrown in /class/Database.php on line 40