How to get all the user IDs of people who are using your Facebook application -


is there way user ids of people using facebook application?

doing extensive research concluded there's no method this!

what have found:
old rest api called friends.getappusers gets ids of user's friends authorized application.

what wish had found:
after reading app login section in authentication document:

in addition user login, facebook platform support app login using oauth 2.0 client credential flow. app login allows take various administrative actions app, such retrieving insights data or approving requests.

i thought application object have direct method (similar accounts): 

$facebook->api("/app_id/users");

but wrong. , introduction of insights feature, shocked can count of user ids!

what can do:
storing user id in db user authorize application , if application has users (most case), check if have record each user interacts application in db...this way, you'll user ids active users in no time.


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