Step 1: Update and Install Dependencies

Start by updating your system and installing necessary packages.

sudo apt update
sudo apt upgrade -y
sudo apt install software-properties-common

Step 2: Add the PHP PPA Repository

Add the PPA repository for PHP to install multiple versions of PHP.

sudo add-apt-repository ppa:ondrej/php
sudo apt update

Step 3: Select PHP Version and Install

Select the PHP version you want to install.

sudo apt install php7.4 php7.4-cli php7.4-fpm php7.4-json php7.4-common php7.4-mysql php7.4-zip php7.4-gd php7.4-mbstring php7.4-curl php7.4-xml php7.4-pear php7.4-bcmath

Step 4: Install PHP-FPM

Install PHP-FPM to handle PHP processing:

sudo apt install php8.3-fpm

Step 5: Apache and PHP-FPM Configuration

Configure Apache to use PHP-FPM by enabling the necessary configuration:

sudo a2enconf php8.3-fpm
sudo systemctl restart apache2

Step 6: Verify Installation

Verify the PHP installation by running the following command:

php -v

Step 7: Install PHP Extensions

Install essential PHP extensions:

sudo apt install php8.3-cli php8.3-mbstring php8.3-xml php8.3-curl php8.3-mysql php8.3-zip php8.3-gd php8.3-bcmath php8.3-pear php8.3-intl

For more details, check out our blog post for other PHP versions and configurations!