A spec compliant, secure by default PHP OAuth 2.0 Server
league/oauth2-serveris a standards compliant implementation of an OAuth 2.0 authorization server written in PHP which makes working with OAuth 2.0 trivial. You can easily configure an OAuth 2.0 server to protect your API with access tokens, or allow clients to request new access tokens and refresh them.
Out of the box it supports the following grants:
The following RFCs are implemented:
This library was created by Alex Bilbie. Find him on Twitter at @alexbilbie.
The latest version of this package supports the following versions of PHP:
jsonextensions are also required.
All HTTP messages passed to the server should be PSR-7 compliant. This ensures interoperability with other packages and frameworks.
composer require league/oauth2-server
The library uses PHPUnit for unit tests.
See the project changelog
Bugs and feature request are tracked on GitHub.
If you have any questions about OAuth please open a ticket here; please don't email the address below.
If you discover any security related issues, please email
This package is released under the MIT License. See the bundled LICENSE file for details.
This code is principally developed and maintained by Andy Millington.
Between 2012 and 2017 this library was developed and maintained by Alex Bilbie.
PHP OAuth 2.0 Server is one of many packages provided by The PHP League. To find out more, please visit our website.
Special thanks to all of these awesome contributors.
Additional thanks go to the Mozilla Secure Open Source Fund for funding a security audit of this library.