目录

[TOC]

Install PHP 8.1 on Ubuntu

sudo apt update && apt install -y software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt update && sudo apt install -y php8.1
php -v # Outputs "PHP 8.1.3 ..."

Install PHP 8 on Debian

apt update && apt install -y wget gnupg2 lsb-release
wget https://packages.sury.org/php/apt.gpg && apt-key add apt.gpg
echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" | tee /etc/apt/sources.list.d/php.list
apt update && apt install -y php8.1
php -v # Outputs "PHP 8.1.3 ..."