8 uses of FB_SETTINGS_APP_NID in Drupal for Facebook 5

fb_app_fb in ./fb_app.module

hook_fb

fb_canvas_fix_url in ./fb_canvas.module

Convert a local fully qualified path to a facebook app path. This needs to be used internally, to fix drupal_gotos upon form submission. Third party modules should not need to call this, I believe.

fb_canvas_nodeapi in ./fb_canvas.module

fb_devel_fb in ./fb_devel.module

fb_scrub_urls in ./fb.module

This method will clean up URLs. When serving canvas pages, extra information is included in URLs (see fb_settings.inc). This will remove the extra information.

fb_settings_url_rewrite in ./fb_settings.inc

Rewrite URLs for facebook canvas pages.

fb_user_nodeapi in ./fb_user.module

_fb_settings_parse_nid in ./fb_settings.inc

Parse the application nid from the URL. This may be called before custom_url_rewrite, so we can't count on fb_settings() to return the value.