Facebook SDK for PHP

https://developers.facebook.com/docs/reference/php

The Facebook SDK for PHP is a library with powerful features that enable PHP developers to easily integrate Facebook login and make requests to the Graph API. It also plays well with the Facebook SDK for JavaScript to give the front-end user the best possible user experience. But it doesn't end there, the Facebook SDK for PHP makes it easy to upload photos and videos and send batch requests to the Graph API among other things. And SDK for PHP has many extensibility points giving PHP developers full control of how the SDK for PHP interacts with their specific hosting environment and web framework.