$request = $this->getRequest();
if (($destinations = $request->query->get('destinations')) && $next_destination = FieldUI::getNextDestination($destinations)) {
$request->query->remove('destinations');
$request = $this->getRequest();
if (($destinations = $request->query->get('destinations')) && $next_destination = FieldUI::getNextDestination($destinations)) {
$request->query->remove('destinations');