PHP 8.2 also includes bug fixes and performance improvements over previous versions like 8.1. We recommend you test your codebase with PHP 8.2 before upgrading in a production setup, just to ensure that everything works as expected.
In this article we shall cover steps that are used in the installation of PHP 8.2 on Ubuntu 22.04|20.04|18.04. The default version of PHP available on OS repositories is usually older than PHP official latest releases. PPA (Personal Package Archive) software repositories for PHP allows you to install newer releases of PHP on your Ubuntu system that are not available in the official repositories of a Linux distribution.
sudo apt update
sudo apt install -y lsb-release gnupg2 ca-certificates apt-transport-https software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt install php8.2-cli php8.2-fpm php8.2-common php8.2-mysql php8.2-pgsql php8.2-zip php8.2-gd php8.2-mbstring php8.2-curl php8.2-xml php8.2-bcmath php8.2-memcached
php -v
PHP 8.2.8 (cli) (built: Jul 8 2023 07:10:21) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.2.8, Copyright (c) Zend Technologies
with Zend OPcache v8.2.8, Copyright (c), by Zend Technologies