When I run this php script, i get this: (redhat 8.0)Fatal error: Call to undefined function: mysql_connect () in ...

This code uses the mysql_* functions, which are deprecated and have been removed from PHP 8.0. This will cause a fatal error if run on a PHP 8.0+ system ...

PHP Fatal error: Uncaught Error: Call to undefined function openssl_decrypt () in C:\Program Files\php-8.3.6\bypass.php:230 Stack trace: #0 C:\Program Files\php-8.3.6 ...