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.
[](https://github.com/composer/composer/actions)
Installation / Usage
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Download and install Composer by following the [official instructions ](https://getcomposer.org/download/ ).
For usage, see [the documentation ](https://getcomposer.org/doc/ ).
Packages
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Find public packages on [Packagist.org ](https://packagist.org ). For private package hosting take a look at [Private Packagist ](https://packagist.com ).
Community
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Follow [@packagist ](https://twitter.com/packagist ) or [@seldaek ](https://twitter.com/seldaek ) on Twitter for announcements, or check the [#composerphp ](https://twitter.com/search?q=%23composerphp&src=typed_query&f=live ) hashtag.
For support, Stack Overflow offers a good collection of
[Composer related questions ](https://stackoverflow.com/questions/tagged/composer-php ), or you can use the [GitHub discussions ](https://github.com/composer/composer/discussions ).
Please note that this project is released with a
[Contributor Code of Conduct ](https://www.contributor-covenant.org/version/1/4/code-of-conduct/ ).
By participating in this project and its community you agree to abide by those terms.
Requirements
------------
#### Latest Composer
PHP 7.2.5 or above for the latest version.
#### Composer 2.2 LTS (Long Term Support)
PHP versions 5.3.2 - 8.1 are still supported via the LTS releases of Composer (2.2.x). If you
run the installer or the `self-update` command the appropriate Composer version for your PHP
should be automatically selected.
Authors
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- Nils Adermann | [GitHub ](https://github.com/naderman ) | [Twitter ](https://twitter.com/naderman ) | < naderman @ naderman . de > | [naderman.de ](https://naderman.de )
- Jordi Boggiano | [GitHub ](https://github.com/Seldaek ) | [Twitter ](https://twitter.com/seldaek ) | < j.boggiano @ seld . be > | [seld.be ](https://seld.be )
See also the list of [contributors ](https://github.com/composer/composer/contributors ) who participated in this project.
Security Reports
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Please send any sensitive issue to [security@packagist.org ](mailto:security@packagist.org ). Thanks!
License
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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 ).
