PHP Composer is a popular dependency manager for PHP applications. It helps developers manage and install dependencies and libraries in their application.

Here at Ibmi Media, we shall look into how to install PHP Composer on Debian 11 or 10.

1. Update Debian

Before starting the installation of PHP Composer, you must first update your Debian system. This can be done with the following command:

$ sudo apt-get update

Once the update is done, you can proceed to the next step.

2. Install PHP

PHP is required for PHP Composer to work properly. You can install PHP with the following command:

$ sudo apt-get install php

Once the install is complete, you can move on to the next step.

3. Install PHP Composer

Once you have PHP installed, you can install PHP Composer. To do this, you need to download the Composer installer and run it.

First, download the installer with the following command:

$ curl -sS https://getcomposer.org/installer | sudo php -- --install-dir=/usr/local/bin --filename=composer

Once the download is complete, you can install PHP Composer with the following command:

$ composer install

4. Verify PHP Composer Installation

Once the installation is complete, you can verify the installation by running the following command:

$ composer -V

This will output the version number of PHP Composer, which will indicate a successful installation.

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