Cara Install Php7.3 di Ubuntu 20.04

#Add ondrej PPA repository to your system.

sudo apt install software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt update

#Install php7.3 and check it's installed.

sudo apt install -y php7.3
php -v

#This also works for php 7.4, php7.2 and php5.6. Just change the relevant digits
Nabil Aja