Php extensions Install

How to install php extensions in the image below

My Os Ubuntu 18.04

apt-get install php-package

And if possible please send me a backup of some demo / random data (Domain name, email account etc…) via pm…

This so I am able to run some tests for Cpanel …

If it was mine, I could have sent it

But this is my client’s website

I will try to give you another website