What are the recommended file extensions and configurations for PHP files in a web server?

To ensure proper handling of PHP files on a web server, it is recommended to use the ".php" file extension for PHP files. Additionally, it is important to configure the web server to interpret and execute PHP code within these files. This can be done by setting up the appropriate MIME type and ensuring that PHP is installed and enabled on the server.

<?php
// Your PHP code here
?>