How to install and use multiple php versions on ubuntu 22.04

sudo apt-get update

sudo apt-get upgrade 

sudo apt-get install php7.0 php7.0-fpm

sudo apt-get install php7.0-mysql php7.0-mbstring php7.0-xml php7.0-gd php7.0-curl

sudo apt-get install php7.1 php7.1-fpm

sudo apt-get install php7.1-mysql php7.1-mbstring php7.1-xml php7.1-gd php7.1-curl