check xampp version in ubuntu code example

Example 1: how install xampp in ubuntu

$ sudo apt install net-tools
/*    */

Example 2: check if xampp is installed ubuntu

1. Check php by running 
which php
return path -> `/usr/bin/php`

2. Check mysql by runnung 
which mysql
return path -> `/usr/bin/mysql`

3. Check apache2 by runnung 
which apache2
return path -> `/usr/sbin/apache2`