Prerequisites

• Debian 12 (Bookworm) installed and updated
• Root or sudo access to the system
• Terminal access
• Internet connection

Installation

1. Update the package list:

   sudo apt update

2. Install required packages:

   sudo apt install -y lsb-release ca-certificates apt-transport-https software-properties-common gnupg2

3. Add the Sury PHP repository:

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

4. Import the repository GPG key:

   wget -qO - https://packages.sury.org/php/apt.gpg | sudo apt-key add -

5. Update the package list again:

   sudo apt update

6. Install PHP 8.0 and common extensions:

   sudo apt install -y php8.0 php8.0-cli php8.0-common php8.0-curl php8.0-mbstring php8.0-mysql php8.0-xml

Verification

1. Check the installed PHP version:

   php -v

   You should see output similar to:

   PHP 8.0.x (cli) (built: ...) ( NTS )

2. Verify PHP configuration:

   php -i

   This will display detailed PHP configuration information.

3. Check installed PHP modules:

   php -m

   This will list all installed PHP modules.