Posted by jacob rasel May-16-2013 2:31 AM Facebook API Facebook API 1 Reply(s) 2075 View(s) Ratings: Rate this: Hi Expert! I'm developing a Facebook Login with PHP. But I have some problem. The code that i'm using are on this blog: PHP Login Facebook I don't understand where I have to put the library at the first line. Can Someone help me? Thanks in advance!