Pimcore\Model\Document\DocType\Listing\Dao::load PHP Method

    public function load()
    {
        $docTypesData = $this->db->fetchAll($this->model->getFilter(), $this->model->getOrder());
        $docTypes = [];
        foreach ($docTypesData as $docTypeData) {
            $docTypes[] = Model\Document\DocType::getById($docTypeData["id"]);
        }
        $this->model->setDocTypes($docTypes);
        return $docTypes;
    }