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Composer - Package Management for PHP
=====================================
Composer is a package manager tracking local dependencies of your projects and libraries.
See the [about page](http://packagist.org/about) on [packagist.org](http://packagist.org/) for more information.
[![Build Status](https://secure.travis-ci.org/composer/composer.png)](http://travis-ci.org/composer/composer)
Installation / Usage
--------------------
1. Download the [`composer.phar`](http://getcomposer.org/composer.phar) executable or use the installer.
$ curl http://getcomposer.org/installer | php
2. Create a composer.json defining your dependencies. Note that this example is
a short version for applications that are not meant to be published as packages
themselves. To create libraries/packages please read the [guidelines](http://packagist.org/about).
``` json
{
"require": {
"monolog/monolog": ">=1.0.0"
}
}
```
3. Run Composer: `php composer.phar install`
4. Browse for more packages on [Packagist](http://packagist.org).
Installation from Source
------------------------
To run tests, or develop Composer itself, you must use the sources and not the phar
file as described above.
1. Run `git clone https://github.com/composer/composer.git`
2. Download the [`composer.phar`](http://getcomposer.org/composer.phar) executable
3. Run Composer to get the dependencies: `php composer.phar install`
Global installation of composer (manual)
----------------------------------------
Since composer works with the current working directory it is possible to install it
in a system wide way.
1. Change into a directory in your path like `cd /usr/local/bin`
2. Get composer `curl http://getcomposer.org/installer | php`
3. Make the phar executeable `chmod a+x composer.phar`
3. Change into a project directory `cd /path/to/my/project`
4. Use composer as you normally would `composer.phar install`
Global installation of composer (via homebrew)
----------------------------------------------
Installing via this homebrew formula will always get you the latest composer version.
1. run `brew uninstall composer ; brew install --HEAD https://raw.github.com/gist/1574469/composer.rb`
2. Change into a project directory `cd /path/to/my/project`
3. Use composer as you normally would `composer.phar install`
*You will see a warning "Warning: Cannot verify package integrity"; however,
this is benign and expected.*
Updating composer
-----------------
Running `php composer.phar self-update` or equivalent will update a phar
install with the latest version.
Configuration
-------------
Additional options for composer can be configured in `composer.json` by using the `config` section.
``` json
{
"config": {
"vendor-dir": "custom/path/for/vendor"
}
}
```
* `vendor-dir`: The location to install vendor packages. The location can be supplied as an absolute or relative path but **must** be within the current working directory.
Contributing
------------
All code contributions - including those of people having commit access -
must go through a pull request and approved by a core developer before being
merged. This is to ensure proper review of all the code.
Fork the project, create a feature branch, and send us a pull request.
If you would like to help take a look at the [list of issues](http://github.com/composer/composer/issues).
Community
---------
The developer mailing list is on [google groups](http://groups.google.com/group/composer-dev)
IRC channels are available for discussion as well, on irc.freenode.org [#composer](irc://irc.freenode.org/composer)
for users and [#composer-dev](irc://irc.freenode.org/composer-dev) for development.
Requirements
------------
PHP 5.3+
Authors
-------
Nils Adermann - <naderman@naderman.de> - <http://twitter.com/naderman> - <http://www.naderman.de><br />
Jordi Boggiano - <j.boggiano@seld.be> - <http://twitter.com/seldaek> - <http://seld.be><br />
See also the list of [contributors](https://github.com/composer/composer/contributors) who participated in this project.
License
-------
Composer is licensed under the MIT License - see the LICENSE file for details
Acknowledgments
---------------
This project's Solver started out as a PHP port of openSUSE's [Libzypp satsolver](http://en.opensuse.org/openSUSE:Libzypp_satsolver).