Install PHP 5.6 Parrot GNU/Linux
Hi! The Tutorial shows you Step-by-Step How to Install PHP 5.6 for Parrot Linux.
First, to Install PHP 5.6 in Parrot OS Home/Security Linux follow the Apt Repository Setup.
Finally, included you find instructions on How to Switch between PHP Versions on Parrot OS Home/Security Linux.

1. Launching Shell Emulator
Open a Terminal window
(Press “Enter” to Execute Commands)2. Enabling PHP 5.6 Repository
Add PHP 5.6 Repo for Parrot Linux
3. Installing PHP 5.6
Now to Install PHP 5.6 for Parrot Linux.
sudo apt install php5.6
4. Switching PHP Version
Finally, to Switch between PHP Versions.
sudo update-alternatives --config php
Make Selection and Press ‘Enter’ to Confirm!
So Now I’m truly Happy if My Guide could Help you to Install PHP 5.6 on Parrot OS Home/Security Linux!