Fatal error: Uncaught Error: Call to undefined function clean_input() in /home/u895680836/domains/web3pro.dev/public_html/testphp/content/content.php:2 Stack trace: #0 /home/u895680836/domains/web3pro.dev/public_html/testphp/index.php(279): require_once() #1 {main} thrown in /home/u895680836/domains/web3pro.dev/public_html/testphp/content/content.php on line 2