How to Install PHP 8.2 on Debian 11 Linux

PHP is an open-source and widely used server-side programming language. This guide will walk you through the steps to install PHP 8.2 on Debian 11 Bullseye.

By default, Debian 11 ships with PHP version 8.2 and it supported in most popular CMS and frameworks such as WordPress, Magento, and Laravel.

Step 1 – Prerequisites#

You must be logged in as root or user with sudo privileges.

Step 2 – Update system#

Update the package index list, it’s recommend to update software repositories and install packages to sync with latest releases.

sudo apt update && sudo apt upgrade

Step 3 – Install PHP 8.2 on Debian 11#

At this step your system is up to date and ready to install PHP. Run the following command to install PHP 8.2.

Installing PHP with Apache#

sudo apt install php8.2 php-common libapache2-mod-php

Installing PHP with Nginx#

By default, Nginx doesn’t have a built-in support for processing PHP files. So we need to use PHP FPM service to handle the PHP files.

sudo apt install php8.2 php-common php-fpm

After that, you need to edit domain Nginx server block and add following lines to work PHP file using Nginx:

server {

    # . . . other code

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/run/php/php8.2-fpm.sock;
    }
}

Save the configuration file and restart the nginx service for the new configuration take effect:

sudo systemctl restart nginx

Step 4 – Installing PHP Extensions#

You can install PHP extensions as per requirements. Run below command to install most common PHP extensions required for basic usage.

sudo apt install php8.2-cli php8.2-json php8.2-pdo php8.2-mysql php8.2-zip php8.2-gd  php8.2-mbstring php8.2-curl php8.2-xml php8.2-pear php8.2-bcmath

Step 5 – Testing PHP#

Once the installation complete, you can verify version by typing:

php -v

PHP 8.2.0 (cli) (built: Jan 16 2023 05:41:45) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v4.2.0, Copyright (c) 1998-2018 Zend Technologies
with Zend OPcache v8.2.0, Copyright (c) 1999-2018, by Zend Technologies

Conclusion#

You learned how to install PHP 8.2 on Debian 11 and configure your webserver to process PHP files.

If you have any questions or suggestion, please leave a comment below.