public static function validateId($id)
{
if (is_null($id) || !preg_match("/^[0-9]+\$/", $id)) {
throw new Exception("Data has been tempered. Aborting process.");
}
if (!AppointmentFetcher::existsId($id)) {
// TODO: sent email to developer relevant to this error.
throw new Exception("Either something went wrong with a database query, or you're trying to hack this app. In either case, the developers were just notified about this.");
}
}
function isUrlValid()
{
return isset($_GET['appointmentId']) && preg_match("/^[0-9]+\$/", $_GET['appointmentId']) && AppointmentFetcher::existsId($_GET['appointmentId']);
}
