Prerequisites

• Ubuntu 23.10 installed and updated
• Root or sudo access to the system
• Terminal access
• Internet connection

Installation

1. Add the PHP repository:

   sudo add-apt-repository ppa:ondrej/php

2. Update the package list:

   sudo apt update

3. Install PHP 8.0:

   sudo apt install php8.0

4. Install common PHP extensions:

   sudo apt install php8.0-common php8.0-mysql php8.0-xml php8.0-curl php8.0-gd php8.0-imagick php8.0-cli php8.0-dev php8.0-imap php8.0-mbstring php8.0-opcache php8.0-soap php8.0-zip php8.0-intl

Verification

1. Check the PHP version:

   php -v

   You should see output indicating PHP 8.0.x is installed.

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.