facebook connection

<?php



session_start();



require_once( 'Facebook/FacebookSession.php' );

require_once( 'Facebook/FacebookRedirectLoginHelper.php' );

require_once( 'Facebook/FacebookRequest.php' );

require_once( 'Facebook/FacebookResponse.php' );

require_once( 'Facebook/FacebookSDKException.php' );

require_once( 'Facebook/FacebookRequestException.php' );

require_once( 'Facebook/FacebookAuthorizationException.php' );

require_once( 'Facebook/GraphObject.php' );

require_once( 'Facebook/GraphUser.php' );

require_once( 'Facebook/GraphSessionInfo.php' );



use Facebook\FacebookSession;

use Facebook\FacebookRedirectLoginHelper;

use Facebook\FacebookRequest;

use Facebook\FacebookResponse;

use Facebook\FacebookSDKException;

use Facebook\FacebookRequestException;

use Facebook\FacebookAuthorizationException;

use Facebook\GraphObject;

use Facebook\GraphUser;

use Facebook\GraphSessionInfo;



$id = '233978436795874';

$secret = '6cdfc674c3438ed6118754f617b503bb';



FacebookSession::setDefaultApplication($id, $secret);



$helper = new FacebookRedirectLoginHelper('http://cyberfreax.com/new/index.php');



try{

    $session = $helper->getSessionFromRedirect();

}catch(Exception $e){



}



if(isset($_SESSION['token'])){

    $session = new FacebookSession($_SESSION['token']);



    try{

        $session->Validate($id, $secret);

    }catch(FacebookAuthorizationException $e){

        $session = '';

    }

}



if(isset($session)){

    $_SESSION['token'] = $session->getToken();

    echo "Login Successful<br>";

    $request = new FacebookRequest($session, 'GET', '/me');

    $response = $request->execute();

    $graph = $response->getGraphObject(GraphUser::className());

    echo "Hi " . $graph->getName();



}

else{

    echo "<a href = " . $helper->getLoginUrl() . ">Login With Facebook</a>";

}