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Lazy script to install and set up Web dev env. Apache with PHP 7.4 and 8.1 in Ubuntu 20.04+

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This is my list/script with commands that permit me to quickly install PHP 7.4 and 8.1 on a new machine. My preferred dev environment is the KDE provided by these fantastic people https://kubuntu.org/

#!/bin/bash

# Install necessary packages
sudo apt install software-properties-common apt-transport-https
sudo apt install apache2

sudo add-apt-repository ppa:ondrej/php
sudo apt install php8.1 libapache2-mod-php8.1
sudo apt install php7.4 libapache2-mod-php7.4

# Install PHP extensions
sudo apt-get install php-common php-cli php-curl php-json php-bcmath php-bz2 php-intl php-gd php-mbstring php-mysql php-zip php-fpm php-cgi php-xsl php-xml php-soap php-zip
sudo apt-get install php7.4-common php7.4-cli php7.4-curl php7.4-json php7.4-bcmath php7.4-bz2 php7.4-intl php7.4-gd php7.4-mbstring php7.4-mysql php7.4-zip php7.4-fpm php7.4-cgi php7.4-xsl php7.4-xml php7.4-soap php7.4-zip

# Restart Apache
sudo service apache2 restart

# Install Composer
curl -sS https://getcomposer.org/installer -o /tmp/composer-setup.php
HASH=$(curl -sS https://composer.github.io/installer.sig)
sudo php /tmp/composer-setup.php --install-dir=/usr/local/bin --filename=composer

# Cleanup temporary files
rm /tmp/composer-setup.php

Copy and paste the above script into a text file (e.g., setup.sh), and save it. Make the script file executable by running the following command:

chmod +x setup.sh

You can then run the script by executing:

./setup.sh

Use this command to choose your default PHP version. Based on the code above you can choose PHP 7.4 or 8.1. Feel free to modify.

sudo update-alternatives --config php

Far be complex but can be a quick and short way to add MySQL for local WordPress development you can read this article: https://assen.xyz/easy-way-to-deploy-mysql-5-7-container-in-ubuntu-20-04/

Note

Even if the script is obsolete and doesn’t run you must use the ppa:ondrej/php repository if you want to run many PHP versions on one machine. Here you can find a very detailed and step-by-step tutorial on how to use the different PHP versions for different Apache virtual hosts

https://www.digitalocean.com/community/tutorials/how-to-run-multiple-php-versions-on-one-server-using-apache-and-php-fpm-on-ubuntu-18-04#step-3-configuring-apache-for-both-websites

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