php 7.4 to 7.3 ubuntu code example
Example 1: install php 7.4 ubuntu
sudo apt update
sudo apt install php php-cli php-fpm php-json php-pdo php-mysql php-zip php-gd php-mbstring php-curl php-xml php-pear php-bcmath
Example 2: ubuntu install php 7
sudo apt-get install php libapache2-mod-php
Example 3: install php 7.3 ubuntu
sudo add-apt-repository ppa:ondrej/phpsudo apt-get update