mdw123/fb_graph — comment on commit 2e4c748b2f1bba0f0736f04e37dc3b8ca85d5935
File:  line 0
By mdw123:

Allows retrieval of application data based on the access token. This will enable API authentication scenarios where the application receives an access token for an application, but wants to use the access token to verify that the application which generated that token was itself.