Posted By

ginoplusio on 10/10/12

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php
facebook

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Last Edited at 10/10/12 08:39pm

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Facebook Connect Tutorial

/ Published in: PHP

I will show you how to crate an app for facebook to handle the facebook connect process on your web site.
Then I will show you the php code to perform the login on facebook and retrieve the informations you need for your site.
The last suggestion will point how to merge facebook users with your users.
Follow the link above to get the full tutoriall with text and images.

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<?php
//
// uses the PHP SDK. Download from https://github.com/facebook/php-sdk
include("facebook-php-sdk/src/facebook.php");
 
//
// from the facebook app page
define('YOUR_APP_ID', '32WEWWEWWEWEWEWEWEW24');
define('YOUR_APP_SECRET', '49fd00ce6237WEEWEWEWEWEW2');
 
//
// new facebook object to interact with facebook
$facebook = new Facebook(array(
 'appId' => YOUR_APP_ID,
 'secret' => YOUR_APP_SECRET,
));
//
// if user is logged in on facebook and already gave permissions
// to your app, get his data:
$userId = $facebook->getUser();
 
?>
<html>
<head>
 <style>body { text-align:center; font-size: 40px }</style>
</head>
<body>
<?php
if ($userId) {
 //
 // already logged? show some data
 $userInfo = $facebook->api('/' + $userId);
 
echo "<p>YOU ARE: <strong>". $userInfo['name'] ."</strong><br/>";
 echo "Your birth date is: ".$userInfo['birthday']."</p>";
 
&nbsp;
 
} else {
 //
 // use javaascript api to open dialogue and perform
 // the facebook connect process by inserting the fb:login-button
 ?>
 <div id="fb-root"></div>
 <fb:login-button scope='email,user_birthday'></fb:login-button>
 <?php
}
?>
 <script>
 window.fbAsyncInit = function() {
 FB.init({
 appId : <?=YOUR_APP_ID?>,
 status : true,
 cookie : true,
 xfbml : true,
 oauth : true,
 });
 
FB.Event.subscribe('auth.login', function(response) {
 // ------------------------------------------------------
 // This is the callback if everything is ok
 window.location.reload();
 });
 };
 
(function(d){
 var js, id = 'facebook-jssdk'; if (d.getElementById(id)) {return;}
 js = d.createElement('script'); js.id = id; js.async = true;
 js.src = "//connect.facebook.net/en_US/all.js";
 d.getElementsByTagName('head')[0].appendChild(js);
 }(document));
</script>
</body>
</html>

URL: http://www.barattalo.it/facebook-connect-tutorial-new-version/

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