How to Use Index.Php Instead of Index.Html. The PHP engine lets you create dynamic Web pages. PHP also reads HTML, so you can save an HTML file with a PHP extension and upload the new file to your ...

With Apache 2 installed and PHP 8.1 configured, it will be necessary to verify that the installation is working. You can do this by creating a simple PHP script in the /var/www/html directory.

Here's a quick tutorial on how to setup Nginx with PHP support. The key? The installation of fastCGI, aka PHP-FPM, so Nginx can serve PHP files to clients.