Facebook iframe tab signed request always empty

Okay, figured it out! When configuring the app, I had filled in the “Tab URL” to be “tab/” This made the full url to the tab page “http://www.example.com/myfacebookapp/tab/” This made sense to me. Apparently, Facebook doesn’t like this. After changing my “Tab URL” to ‘tab/index.php”, the signed request started to show up in the app … Read more