As of October 14, 2025, PHP version 8.4.13 is the latest version available for installation on Debian systems. In this tutorial you will learn installation process of PHP 8.4 and other PHP versions on Debian 13 Linux systems.
Step 1: Update Packages
First of all, update the apt cache and install a few required packages.
sudo apt updatesudo apt install gnupg apt-transport-https ca-certificates
Step 2: Add PHP Repository
Now add the PHP repository in your Debian system.
wget -qO - https://packages.sury.org/php/apt.gpg | sudo gpg --dearmor -o /usr/share/keyrings/sury-archive-keyring.gpgecho "deb [signed-by=/usr/share/keyrings/sury-archive-keyring.gpg] https://packages.sury.org/php/ bookworm main" | sudo tee /etc/apt/sources.list.d/sury-php.list
Step 3: Install PHP
After adding the required repositories, you can install php of required version. The following commands will install PHP 8.4 on your system.
sudo apt updatesudo apt install php8.4 php8.4-cli
To install a different version, just replace 8.4 with your version like 8.0 or 7.4 etc. The available versions are PHP 8.4, 8.3, 8.2, 8.1, 8.0, 7.4, 7.3, 7.2, 7.1, 7.0, and PHP 5.6.
Step 4: Verify Installation
Once the installation finished, you can check active php cli version using:
php -v
Step 5: Install Extensions
You may also need to install other php modules based on your project requirements. Make sure to change PHP version as per your version.
sudo apt install php8.4-mysql php8.4-curl php8.4-xml php8.4-mbstring
Step 6: Install Apache and PHP Apache Module
If your application required a web server to serve website content, install Apache with PHP module.
sudo apt install apache2 libapache2-mod-php8.4
Step 7: Test PHP with Apache
Now create a simple phpinfo script in default document root and try to access it. If everything fine, You will see the PHP configuration details.
echo "" | sudo tee /var/www/html/info.phpcurl http://localhost/info.php
