Composer - Dependency Management for PHP
========================================

Composer helps you declare, manage, and install dependencies of PHP projects.

See [https://getcomposer.org/](https://getcomposer.org/) for more information and documentation.

[![Continuous Integration](https://github.com/composer/composer.svg/workflows/Continuous%20Integration/badge.svg?branch=master)](https://github.com/composer/composer.svg/actions)
[![Build Status](https://travis-ci.org/composer/composer.svg?branch=master)](https://travis-ci.org/composer/composer)

Installation / Usage
--------------------

Download and install Composer by following the [official instructions](https://getcomposer.org/download/).

For usage, see [the documentation](https://getcomposer.org/doc/).

Packages
--------

Find packages on [Packagist](https://packagist.org).

Community
---------

IRC channels are on irc.freenode.org: [#composer](irc://irc.freenode.org/composer)
for users and [#composer-dev](irc://irc.freenode.org/composer-dev) for development.

For support, Stack Overflow also offers a good collection of
[Composer related questions](https://stackoverflow.com/questions/tagged/composer-php).

Please note that this project is released with a
[Contributor Code of Conduct](http://contributor-covenant.org/version/1/4/).
By participating in this project and its community you agree to abide by those terms.

Requirements
------------

PHP 5.3.2 or above (at least 5.3.4 recommended to avoid potential bugs)

Authors
-------

- Nils Adermann  | [GitHub](https://github.com/naderman)  | [Twitter](https://twitter.com/naderman) | <naderman@naderman.de> | [naderman.de](http://naderman.de)
- Jordi Boggiano | [GitHub](https://github.com/Seldaek) | [Twitter](https://twitter.com/seldaek) | <j.boggiano@seld.be> | [seld.be](http://seld.be)

See also the list of [contributors](https://github.com/composer/composer/contributors) who participated in this project.

Security Reports
----------------

Please send any sensitive issue to [security@packagist.org](mailto:security@packagist.org). Thanks!

License
-------

Composer is licensed under the MIT License - see the [LICENSE](LICENSE) file for details

Acknowledgments
---------------

- This project's Solver started out as a PHP port of openSUSE's
  [Libzypp satsolver](https://en.opensuse.org/openSUSE:Libzypp_satsolver).