Admin_ElementController::getSubtypeAction PHP Method

    public function getSubtypeAction()
    {
        $idOrPath = trim($this->getParam("id"));
        $type = $this->getParam("type");
        if (is_numeric($idOrPath)) {
            $el = Element\Service::getElementById($type, (int) $idOrPath);
        } else {
            if ($type == "document") {
                $el = Document\Service::getByUrl($idOrPath);
            } else {
                $el = Element\Service::getElementByPath($type, $idOrPath);
            }
        }
        if ($el) {
            if ($el instanceof Asset || $el instanceof Document) {
                $subtype = $el->getType();
            } elseif ($el instanceof Object\Concrete) {
                $subtype = $el->getClassName();
            } elseif ($el instanceof Object\Folder) {
                $subtype = "folder";
            }
            $this->_helper->json(["subtype" => $subtype, "id" => $el->getId(), "type" => $type, "success" => true]);
        } else {
            $this->_helper->json(["success" => false]);
        }
    }