How to Install PHP Composer on CentOS 8

A composer is a tool for dependency management in PHP. It allows you to declare the libraries your project depends on and it will manage (install/update) them for you.

Install and use PHP composer on centOS 8; Through this tutorial, we will learn how to install and use PHP composer on CentOS 8.

How to Install PHP Composer on CentOS 8

Just follow the following steps to install PHP composer on centOS 8:

• Step 1 – Install the PHP CLI
• Step 2 – Download Composer with curl
• Step 3 – Move Composer file
• Step 4 – Getting Started with Composer

Step 1 – Install the PHP CLI

First of all, open the command line or terminal and execute the following command into it to install PHP CLI on centOS 8:

sudo dnf install php-cli php-json php-zip curl unzip

Step 2 – Download Composer with curl

Once the PHP CLI installation is completed, then execute the following command on the command line or terminal to download composer with curl:

curl -sS https://getcomposer.org/installer |php

Step 3 – Move Composer file

Then move the composer file using the following command on centOS 8:

sudo mv composer.phar /usr/local/bin/composer

Step 4 – Getting Started with Composer

At this point, WE have successfully installed Composer on CentOS system. And now, we will learn how to use Composer in a PHP project.

Now, execute the following command on the command line or terminal to create PHP project using the composer command:

mkdir ~/my-first-composer-project
cd ~/my-first-composer-project

Once the PHP project creation is done, then execute the following command to initialize a new Composer project and install the carbon package:

composer require nesbot/carbon

Then create a file named testing.php and add the following code:

<?php

require __DIR__ . '/vendor/autoload.php';

use Carbon\Carbon;

printf("Now: %s", Carbon::now());

Finally, execute the following command n command line or terminal to test above created PHP project with the help of PHP composer:

php testing.php

The output should look something like this:

Now: 2022-08-10 22:12:26

Conclusion

Through this tutorial, we have learned how to install and use Composer on CentOS 8 machine. And also how to use Composer to create a basic PHP project.