Fatal error: Uncaught Error: Call to undefined function mysql_real_escape_string() in /home/kathman2/public_html/data/sqlinjection.php:30 Stack trace: #0 /home/kathman2/public_html/data/sqlinjection.php(40): clean_array(Array) #1 /home/kathman2/public_html/index.php(10): include('/home/kathman2/...') #2 {main} thrown in /home/kathman2/public_html/data/sqlinjection.php on line 30