How to install php7.4 on Ubuntu 22.04 | 20.04 LTS

Although PHP 7.4 is not the latest version, it remains a mandatory requirement for several popular web frameworks and applications like Magento 2.4. In this guide, you’ll learn how to install PHP 7.4 on Ubuntu 22.04 or 20.04 LTS, ensuring compatibility and optimal performance for your projects.

PHP 7.4: Installation and Performance Optimization

Step 1: Add PPA repository and install PHP

The following dependent packages will need to be installed, most of which are already on Ubuntu 20.04 | 22.04, but running the command below can help ensure they are installed.

sudo apt install software-properties-common
sudo add-apt-repository ppa:ondrej/php

Next, update the system and install PHP 7.4 on ubuntu 22.04 | 20.04

sudo apt-get update
sudo apt install php7.4 -y

Change php7.4 if you want to install another version, for example, php7.3, php7.2

Step 2: Install php7.4-fpm

You can also install modules based on your application requirements. Use the following command to search for Ubuntu PHP 7.4 modules available in the package repository.

sudo apt-cache search php7*

You can install php7.4 on ubuntu Ubuntu 20.04 | 22.04 the necessary modules on your system. Just change the PHP version with the package name according to your requirement:

sudo apt install php7.4-common php7.4-mysql php7.4-xml php7.4-xmlrpc php7.4-curl php7.4-gd php7.4-imagick php7.4-cli php7.4-dev php7.4-imap php7.4-mbstring php7.4-opcache php7.4-soap php7.4-zip php7.4-intl php7.4-fpm php7.4-json php7.4-zip php7.4-bcmath php7.4-mcrypt

Enable php-fpm and allow php-fpm to start with the system:

sudo systemctl enable php7.4-fpm
sudo service php7.4-fpm restart

Step 3: Configure php7.4-fpm

Open the directory under the path /etc/php/7.4/fpm/pool.d and edit the file www.conf.

sudo service php7.4-fpm restart

sudo gedit /etc/php/7.4/cli/php.ini
sudo gedit /etc/php/7.4/fpm/php.ini

date.timezone = Australia/Adelaide #https://www.php.net/manual/en/timezones.php
max_execution_time = 18000
max_input_time = 6000
max_input_vars = 10000
memory_limit= 2048M
post_max_size = 64M
upload_max_filesize = 64M
zlib.output_compression = On #Off trên Wordpress
opcache.enable=1
opcache.enable_cli=1
opcache.memory_consumption=512
opcache.max_accelerated_files=100000
opcache.consistency_checks=0

sudo service php7.4-fpm restart

sudo update-alternatives --config php

This article guide you on how to install php7.4 on Ubuntu 22.04 | 20.04, if you want to install multiple versions just change the version number. For example php7.4, php7.3, etc.