Answers for "E: Unable to locate package php7.2-cli"

: Unable to locate package php7.4-fpm

sudo apt install software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt update
sudo apt install php7.4
php -v

E: Couldn't find any package by regex 'php7.2-json'

sudo apt-add-repository ppa:ondrej/php
sudo apt-get update
sudo apt-get install php7.0