What could be the potential reasons for PHP not running on a website that is supposed to support it?

The potential reasons for PHP not running on a website could be due to incorrect server configurations, missing PHP modules, or PHP file extensions not being recognized. To solve this issue, you can check the server configurations, ensure that the necessary PHP modules are installed, and configure the server to recognize PHP file extensions.

<?php
// Example PHP code snippet to check if PHP is running on a website
phpinfo();
?>