// If the link has been clicked, and we have a supplied code, use it to request a token
if (array_key_exists("code", $_GET)) {
$token = $foursquare->GetToken($_GET['code'], $redirect_uri);
}
?>
<!doctype html>
<html>
<head>
<title>PHP-Foursquare :: Token Request Example</title>
</head>
<body>
<h1>Token Request Example</h1>
<p>
<?php
// If we have not received a token, display the link for Foursquare webauth
if (!isset($token)) {
echo "<a href='" . $foursquare->AuthenticationLink($redirect_uri) . "'>Connect to this app via Foursquare</a>";
// Otherwise display the token
} else {
echo "Your auth token: {$token}";
}
?>
</p>
<hr/>
<?php
?>
</body>
</html>