See This: https://developers.facebook.com/blog/post/552/ Change in Session Redirect Behavior This week, we started adding a fragment #_=_ to the redirect_uri when this field is left blank. Please ensure that your app can handle this behavior.
The permissions offline_access and publish_stream are deprecated, thus cannot be requested anymore. publish_stream can be replaced by publish_actions, offline_access is gone. See https://developers.facebook.com/docs/facebook-login/permissions/v2.4#reference https://developers.facebook.com/docs/apps/changelog
Edit (August 14th 2012): A week ago the official Facebook PHP SDK was updated. The function name was changed to setExtendedAccessToken, and it was decided we actually needed to destroy the session afterwards, to remove the risk of having two active sessions. Also, the function no longer actually returns the token, but instead stores it … Read more
This is caused because you don’t have a library php5-curl installed in your system, On Ubuntu its just simple run the line code below, in your case on Xamp take a look in Xamp documentation sudo apt-get install php5-curl For anyone who uses php7.0 sudo apt-get install php7.0-curl For those who uses php7.1 sudo apt-get … Read more