We distribute a [PHP Archive (PHAR)](https://php.net/phar) that has all required (as well as some optional) dependencies of PHPUnit bundled in a single file:
Alternatively, you may use [Composer](https://getcomposer.org/) to download and install PHPUnit as well as its dependencies. Please refer to the "[Getting Started](https://phpunit.de/getting-started-with-phpunit.html)" guide for details on how to install PHPUnit.
## Contribute
Please refer to [CONTRIBUTING.md](https://github.com/sebastianbergmann/phpunit/blob/master/.github/CONTRIBUTING.md) for information on how to contribute to PHPUnit and its related projects.
## List of Contributors
Thanks to everyone who has contributed to PHPUnit! You can find a detailed list of contributors on every PHPUnit related package on GitHub. This list shows only the major components: