Hello Readers ,

The following code demonstrate how you would accomplish common tasks with the Facebook SDK for PHP.

This SDK can be use in facebook login , Retrieve a user's profile , Post a link to a user's feed.

window.fbAsyncInit = function() {
    FB.init({
    appId      : appid, // replace your app id here
    channelUrl : URL of site, 
    status     : true, 
    cookie     : true, 
    xfbml      : true  
    });
};
(function(d){
    var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
    if (d.getElementById(id)) {return;}
    js = d.createElement('script'); js.id = id; js.async = true;
    js.src = "//connect.facebook.net/en_US/all.js";
    ref.parentNode.insertBefore(js, ref);
}(document));