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<?php
/**
 * Copyright 2011 Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License. You may obtain
 * a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

defined('_JEXEC') or die('Restricted access');


require '../src/facebook.php';

// Create our Application instance (replace this with your appId and secret).
$facebook = new Facebook(array(
	'appId' => '344617158898614',
	'secret' => '6dc8ac871858b34798bc2488200e503d',
));

// Get User ID
$user = $facebook->getUser();

// We may or may not have this data based on whether the user is logged in.
//
// If we have a $user id here, it means we know the user is logged into
// Facebook, but we don't know if the access token is valid. An access
// token is invalid if the user logged out of Facebook.

if ($user)
{
	try
	{
		// Proceed knowing you have a logged in user who's authenticated.
		$user_profile = $facebook->api('/me');
	}
	catch (FacebookApiException $e)
	{
		error_log($e);
		$user = null;
	}
}

// Login or logout url will be needed depending on current user state.
if ($user)
{
	$logoutUrl = $facebook->getLogoutUrl();
}
else
{
	$loginUrl = $facebook->getLoginUrl();
}

// This call will always work since we are fetching public data.
$naitik = $facebook->api('/naitik');

?>
<!doctype html>
<html xmlns:fb="http://www.facebook.com/2008/fbml">
<head>
	<title>php-sdk</title>
	<style>
		body {
			font-family: 'Lucida Grande', Verdana, Arial, sans-serif;
		}

		h1 a {
			text-decoration: none;
			color: #3b5998;
		}

		h1 a:hover {
			text-decoration: underline;
		}
	</style>
</head>
<body>
<h1>php-sdk</h1>

<?php if ($user): ?>
	<a href="<?php echo $logoutUrl; ?>">Logout</a>
<?php else: ?>
	<div>
		Login using OAuth 2.0 handled by the PHP SDK:
		<a href="<?php echo $loginUrl; ?>">Login with Facebook</a>
	</div>
<?php endif ?>

<h3>PHP Session</h3>
<pre><?php print_r($_SESSION); ?></pre>

<?php if ($user): ?>
	<h3>You</h3>
	<img src="https://graph.facebook.com/<?php echo $user; ?>/picture">

	<h3>Your User Object (/me)</h3>
	<pre><?php print_r($user_profile); ?></pre>
<?php else: ?>
	<strong><em>You are not Connected.</em></strong>
<?php endif ?>

<h3>Public profile of Naitik</h3>
<img src="https://graph.facebook.com/naitik/picture">
<?php echo $naitik['name']; ?>
</body>
</html>