Install PHP

Pick your operating system below. In the commands, 8.1 can be replaced with any valid PHP version.

Add the PHP repository for Debian:

bash

echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/sury-php.list
curl -fsSL https://packages.sury.org/php/apt.gpg | sudo gpg --dearmor -o /etc/apt/trusted.gpg.d/sury-keyring.gpg

Update the repositories and install PHP 8.1:

bash

apt update -y
apt install -y php8.1 php8.1-{common,cli,gd,mysql,mbstring,bcmath,xml,fpm,curl,zip}

Add the PHP repository for Ubuntu:

bash

apt -y install software-properties-common curl apt-transport-https ca-certificates gnupg
LC_ALL=C.UTF-8 add-apt-repository -y ppa:ondrej/php

Update the repositories and install PHP 8.1:

bash

apt update
apt -y install php8.1 php8.1-{common,cli,gd,mysql,mbstring,bcmath,xml,fpm,curl,zip}