php - How to implement Login with FB / Google / etc -


i know question might off-topic, prepared see closed, feel free if consider bad question.

i learning how "login facebook" system works. once have working, need learn similar different system login google, etc.

is there way abstract these different login systems , work 1 single library? is there 1 ready-to-use solution login (any-well-known-auth-system) can use in php?

i searched while if there questions/answers here on how in php, unsucessfully. looking topic in same fashion : what best way implement "remember me" website? or the definitive guide form-based website authentication, 2 great questions on if off-topic , closed !

follow link bellow , find ready use solution. gotta change app details inside fb.init. facebook login web


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