php_multiple_versions_install.sh

#!/usr/bin/env bash

sudo apt update
sudo apt -y install curl

# Set up PHP 8.0
sudo apt update
sudo apt -y install software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt update
sudo apt -y install --no-install-recommends php8.0 composer php8.0-xml \
php8.0-intl php8.0-curl php8.0-zip php8.0-sqlite3 php8.0-mysql \
php8.0-xdebug php8.0-mbstring php8.0-redis

# Set up PHP 8.1
sudo apt update
sudo apt -y install --no-install-recommends php8.1 composer php8.1-xml \
php8.1-intl php8.1-curl php8.1-zip php8.1-sqlite3 php8.1-mysql \
php8.1-xdebug php8.1-mbstring php8.1-redis

# How to switch php versions
sudo update-alternatives --config php

# How to disable/enable xdebug
sudo phpdismod xdebug
sudo phpenmod xdebug