Facebook Session Proxy PHP Example

<?include_once 'facebook.php';

////////////////////////////////////////////////////////////////////////////////
// Put your app info here.
////////////////////////////////////////////////////////////////////////////////

$APP_INFO = array('api_key' => 'YOUR API KEY',
                  'secret'  => 'YOUR API SECRET');


// grab the auth_token and generate_session_secret GET values. the Facebook
// PHP lib does some magic with these, so unset them to hide them from the lib.
// client libraries in other languages probably don't have this problem.
$auth_token  = $_GET['auth_token'];
$generate_ss = $_GET['generate_session_secret'];
$format = $_GET['format'];

unset($_GET['auth_token']);
unset($_GET['generate_session_secret']);
unset($_GET['format']);


// initialize the Facebook lib
$fb = new Facebook($APP_INFO['api_key'],
                   $APP_INFO['secret'],
                   $generate_ss);

//TITANIUM NOTE - make sure you have the correct content-type
header("Content-type: text/" . $format);

// the PHP lib also does some magic with cookies, so clear them
$fb->clear_cookie_state();

// set the format based on what's requested
//TITANIUM NOTE - pass in format based on parameter passed in as GET
$fb->api_client->setFormat(strtoupper($format));

// make the auth.getSession call
$session_vars = $fb->api_client->auth_getSession($auth_token, $generate_ss);

// print the raw response
echo $fb->api_client->getRawData();

?>