gistfile1.txt

if(!isset($_POST['device']) || !isset($_POST['os_version'])) {
  die('missing params');
}

$params = $_POST;
$params['ip'] = $_SERVER['REMOTE_ADDR'];

// Now we'd query the database for a Referral object match on device, os_version, and ip
// We could also restrict our query to recently created Referral objects and/or objects
// which have not been "Claimed."
// Once the object is found, we would modify it to be "claimed" by adding some user-specific
// information, such as a user ID