ubuntu command to set php 7.2 in ubuntu 20.04 code example
Example 1: install php 5.6 on ubuntu 18.04
$ sudo add-apt-repository ppa:ondrej/php
Example 2: install php ubuntu 20.04
sudo apt install software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt update
sudo apt install -y php7.4