Adding a “likegate” to your application is very easy, and only takes a few lines of code to achieve. If you’re not familiar with a “likegage”, it’s basically a page that users’ who haven’t liked your page see, usually asking them to Like the page before seeing the actual content.
Facebook, Facebook Graph API, Fan Page, PHPIf you’re unlucky, you may have a few users who like to spoil the fun for all the other users using your application on Facebook or even Facebook-connected apps. Luckily, the Graph API lets you easily ban or unban users from using your application.
Facebook, Facebook Graph API, PHPI get a lot of people asking me how to upload photos to a user’s profile on Facebook. One common misconception is that the Facebook JavaScript SDK does not support uploading photos, it only supports linking to photos.
Facebook, Facebook Graph API, PHP, Tutorial