This is a programming language which enables your website to be more dynamic.
PHP is a HTML embedded scripting language that lets you create dynamic web pages. It is an open-source, server-side, and cross-platform scripting language. PHP-enabled web pages are treated just like regular HTML pages and you can create and edit them the same way you normally create regular HTML pages.
If you would like to know How to update your domain PHP version please read our Help Centre article for assistance.