Controller-DataTable-ServerSide-CI4

public function listdata()
    {
        $request = Services::request();
        $datamodel = new Modelfile($request);
        if ($request->getMethod(true) == 'POST') {
            $lists = $datamodel->get_datatables();
            $data = [];
            $no = $request->getPost("start");
            foreach ($lists as $list) {
                $no++;
                $row = [];
                $row[] = '';
                $data[] = $row;
            }
            $output = [
                "draw" => $request->getPost('draw'),
                "recordsTotal" => $datamodel->count_all(),
                "recordsFiltered" => $datamodel->count_filtered(),
                "data" => $data
            ];
            echo json_encode($output);
        }
    }