Composer is one PHP is an application-level package manager for the PHP programming language that provides a standard format for managing dependencies on PHP software and the required libraries. Developed by Nils Adermann and Jordi Boggiano, who continue to manage the project. The development began in April 2011 and was first announced on March 2012, 1. The creation of Composer was strongly inspired by Node.js nPN and Ruby Bundler-e. The dependency-solving algorithm of the project is openSUSE libzypp started as a PHP-based port for satsolver. The software a MIT Licensed was released under.

Composer runs on the command line and installs dependencies for the application, such as additional packages, libraries, and so on. It also allows users to install Composer in the main repository of PackagistPHP packages available in. It also provides the autoload capabilities for libraries that provide autoload information to facilitate the use of third-party codes.

Supported frameworks

• CakePHP 3.0 version
• CodeIgniter 3.0 version
• Drupal 8 version
• FuelPHP 2.0 version
• Laravel 4 version
• Lumen (web framework)
• Magento 2.0 version
• Flint (web framework)
• SilverStripe 3.0 version
• symfony 2 version
• Yii version from version 1.1
• Zend Framework 1 version