upgrade to php 7.3 ubuntu code example

Example 1: upgrade php to 7.3 ubuntu

sudo apt-get install software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install -y php7.3

Example 2: ubuntu upgrade php to 7.3

sudo apt-get install software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install -y php7.3

Example 3: ubuntu 16 upgrade php 7.0 to 7.4

sudo apt-add-repository ppa:ondrej/php