https://www.facebook.com/v2.11/dialog/oauth?client_id=2018277261717480&state=549a8f87e63d7fc4c158bec8a2a54941&response_type=code&sdk=php-sdk-5.5.0&redirect_uri=http%3A%2F%2Fwww.bradul.coseli.ro%2Ffacebook%2Fcallback&scope=email%2Cuser_friends