Fatal error: Uncaught ArgumentCountError: Too few arguments to function clean_user_input(), 1 passed in /home/iphone/public_html/category-iphone5.php on line 6 and exactly 2 expected in /home/iphone/public_html/includes/dbconnect.php:17 Stack trace: #0 /home/iphone/public_html/category-iphone5.php(6): clean_user_input('15') #1 {main} thrown in /home/iphone/public_html/includes/dbconnect.php on line 17