Composer

Composer is the most popular package manager for PHP.

Composer install and update packages, which are stored on the packagist website.

Composer is the work of Jordi Boggiano and Nils Adermann.

Documentation

See also How to Install and Use Composer: A Comprehensive Guide, New composer audit Command and security audits in Composer 2.4, The Quiet Shift Reshaping PHP Security and composer-unused.

Related : Packagist, Dependency, PEAR, PHP Installer For Extensions (PIE), Supply Chain, Library, Package Manager, Proprietary Source, Tool, Marketplace, Build, Git Hook, Greenfield, Makefile