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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.

Next, create a Hypertext Preprocessor (PHP) file to accept the data and insert it into the database. HTML is only capable of instructing a browser on the method of presenting information.