How To Install PHP 7.1, 7.2, 7.3, 7.4 on Ubuntu 16/17/18/19

Enabling PPA

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

Installing PHP 7.1

Once you enabled the ondrej/php PPA, you can install PHP 7.1 using the below command:

sudo apt-get install php7.1

To install PHP7.1 including some of the most commonly used modules you can use the following command:

sudo apt-get install php7.1 php7.1-cli php7.1-common php7.1-json php7.1-opcache php7.1-mysql php7.1-mbstring php7.1-mcrypt php7.1-zip php7.1-fpm

Configuring PHP

Once the installation is completed you need to edit the php.ini file:

Find the php.ini configuration file like below:

sudo php --ini |grep Loaded

You will see the output similar to the following:

Output
Loaded Configuration File: /etc/php/7.1/cli/php.ini

Edit the file using your preferred text editor:

sudo nano /etc/php/7.1/cli/php.ini

Make the following changes:

cgi.fix_pathinfo=0

Then, restart the PHP-FPM service:

sudo systemctl restart php7.1-fpm

Wrapping up

In this guide, we installed PHP 7.1 on Ubuntu 16 to give you an example. You can install PHP 7.2, 7.3 or 7.4 using the same method.