Last year I showed how to use pecl/oauth to write a Twitter OAuth Consumer. But what about writing the other end of that? What if you need to provide OAuth access to an API for your site? How do you do it? Luckily John Jawed and Tjerk have put quite a bit of work into pecl/oauth lately and we now have full provider support in the extension. It's not documented yet at php.net/oauth, but there are s