theodo/sfFacebookConnectPlugin — comment on commit 781859e4019a1dfce8409cc9a430e068ee6b6096
File:  line 0
By laurentb:

It seems the sfFacebook::inCanvas() function does not work either, I've used $request->getParameter('signed_request') for my checks, but I'm not sure this is 100% right (at least it works for my limited use).