function getLongLivedToken($graphUrl)
{
// Get cURL resource
$curl = curl_init();
// Set some options - we are passing in a useragent too here
curl_setopt_array($curl, array(CURLOPT_RETURNTRANSFER => 1, CURLOPT_URL => $graphUrl, CURLOPT_USERAGENT => 'Codular Sample cURL Request', CURLOPT_SSL_VERIFYPEER => false));
// Send the request & save response to $resp
$resp = curl_exec($curl);
if (!$resp) {
session_destroy();
printResultsAndLogin();
die;
}
curl_close($curl);
parse_str($resp, $output);
return $output['access_token'];
}
header('Location: ' . $returnUrl);
}
?>
<!DOCTYPE html>
<html xmlns:fb="http://www.facebook.com/2008/fbml" xml:lang="en-gb" lang="en-gb" >
<head>
<!-- load jQuery from google repository -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
<title>social sweethearts task</title>
<link href="style/buttonstyle.css" rel="stylesheet" type="text/css">
</head>
<body>
<?php
if (!isset($_SESSION['loggedIn'])) {
printResultsAndLogin();
} else {
printUserAndLogout();
}
?>
<div id="fb-root"></div>
<script type="text/javascript">
window.fbAsyncInit = function () {
FB.init({
appId: '<?php
echo $appId;
?>
',
cookie: true, xfbml: true,
channelUrl: '<?php