Admin_DocumentController::getDocTypesAction PHP Метод

    public function getDocTypesAction()
    {
        $list = new Document\DocType\Listing();
        if ($this->getParam("type")) {
            $type = $this->getParam("type");
            if (Document\Service::isValidType($type)) {
                $list->setFilter(function ($row) use($type) {
                    if ($row["type"] == $type) {
                        return true;
                    }
                    return false;
                });
            }
        }
        $list->load();
        $docTypes = [];
        foreach ($list->getDocTypes() as $type) {
            $docTypes[] = $type;
        }
        $this->_helper->json(["docTypes" => $docTypes]);
    }