PHP is an open source scripting language that is especially suited for web development.
It can be embedded into HTML and usually acts as a server-side language.

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How to Install it

cPanel is a great resource that GGServers Webhosting service offers for this kind of request.
There’s a dedicated page only for automatically install and PHP setup in any page of your website, which makes it very easy-to-install.
To access it you’ll need to:

1. Login in your cPanel.
2. Scroll down to the “Software” section.
3. Click on “MultiPHP Manager”.

4. Select the domains/subdomains you’d like to install.
5. On the “PHP Version” dropdown menu, select the version that you’d like to install.
6. Click on “Apply”.

Done!
By doing this, cPanel should install PHP in your website automatically.

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Feel free to open a ticket in your Client Area if you need.