Install PHP on Ubuntu 18.04
PHP is one of the most popular programming language currently in the world. PHP has different versions 5.6, 7.0, 7.1 and 7.2. Currently, PHP 7.2 is the latest version of PHP which supports different frameworks like WordPress, Laravel, Code-Igniter etc. Ubuntu 18.04 ships with default PHP 7.2 support, We can easily install PHP 7.2 on Ubuntu 18.4. Ubuntu 18.04 is the current latest version of Ubuntu. This tutorial outlines how to install PHP 7.2 on Ubuntu 18.04.
Prerequisites
Before you start installing PHP 7.2 on Ubuntu 18.04. You must have a non-root user account on your server with sudo privileges
1. Install PHP With Nginx
Nginx does not support native PHP processing. You will need to Install “fastCGI process manager” which is known as php-fpm
Run the following command to install php-fpm on your server. The following command will install php-fpm7.2
sudo apt install php-fpm
You can check the status where it is correctly installed or not by following command
systemctl status php7.2-fpm
After installing php-fpm package you will need to restart Nginx server. To restart Nginx server run following command
sudo systemctl restart nginx
You can check PHP version by running following command
php -v
2. Installing PHP With Apache
If you have Apache running at backend then we need to install PHP and Apache PHP module on the server. To install PHP 7.2 and Apache module type following command and press enter.
sudo apt install php libapache2-mod-php
After installing PHP and apache-php module you will need to restart Apache server by typing following command
sudo systemctl restart apache2
3. Install PHP Extensions
You will need to install some basic PHP extensions to run WordPress , Laravel like frameworks on the server. To install any of the PHP extensions on the server following is the basic format.
sudo apt install php-[name_of_the_extension]
You can install curl extension for PHP by running following command
sudo apt install php-curl
Following are some basic PHP extensions needs to be installed on your server
sudo apt install php7.2-curl php7.2-mysql php7.2-common php7.2-cli php7.2-gd php7.2-opcache
To install more extensions you can use the above format.
4. Testing PHP processing
To test whether PHP is configured on your server properly or not you should create a file test.php inside directory var/www/html/ with following code.
<?php
phpinfo();
If you see the following output then you have installed PHP successfully.
Conclusion
In this tutorial, you have learned how to install PHP 7.2 on Ubuntu 18.04 successfully with some of its basic extensions useful for frameworks and tested successfully. If you have any of the queries regarding this then you can comment below.