public function get_redirect()
{
// NULL means do not redirect
if ($this->redirect === NULL) {
return NULL;
}
// If this submission doesn't have an explicit redirect,
// defer to the form's default
if (empty($this->redirect)) {
$redirect = $this->form->get_redirect();
if (empty($redirect)) {
return '';
}
return $redirect;
}
return $this->redirect;
}
