How to Install PHP 8.3 on Debian 13

To install PHP 8.3 on Debian 13. Follow the steps below.

Step 1 : Start by updating your package list and upgrading existing packages.

sudo apt update && sudo apt upgrade -y

Step 2 : Install the packages required to securely add external repositories.

sudo apt install -y gnupg lsb-release apt-transport-https ca-certificates wget

Step 3 : Add the official GPG key to verify packages from the SURY PHP repository.

wget -O /etc/apt/trusted.gpg.d/php.gpg https://packages.sury.org/php/apt.gpg

Step 4 : Add the SURY repository to your system.

echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/php.list

Step 5 : Update APT after adding the new repository.

sudo apt update

Step 6 : Install PHP 8.3 and its core components.

sudo apt install -y php8.3 php8.3-cli php8.3-fpm

Step 7 : Install popular PHP extensions used by most web applications.

sudo apt install php8.3-{mysql,curl,xsl,gd,common,xml,zip,xsl,soap,bcmath,mbstring,gettext,imagick}

• mysql: Enables MySQL/MariaDB database support
• curl: Allows HTTP requests to external services and APIs
• xsl: Processes XML using XSLT
• gd: Provides basic image processing capabilities
• common: Contains common PHP files
• xml: Enables XML parsing and manipulation
• zip: Allows creating and extracting ZIP archives
• soap: Supports SOAP-based web services
• bcmath: Handles arbitrary precision mathematics
• mbstring: Supports multibyte string handling (UTF-8)
• gettext: Enables localization and translation
• imagick: Advanced image processing using ImageMagick

Step 8 : Verify that PHP 8.3 is installed correctly.

php -v

You should see output showing PHP 8.3.x.

Congratulations! You have successfully installed PHP 8.3 on Debian 13.