Controller

        $list = $this->AppModel->GetApplications();
        $data = array();
        $no = $_POST['start'];
        foreach ($list as $person) {
            $no++;
            $row = array();
            $row[] = $person->ID;
            $row[] = $person->Firstname . ' ' . $person->Lastname;
            $row[] = $person->Birthdate;
            $row[] = $person->PESEL;
            $row[] = $person->Phone;

            if ( !$person->SendedEmail ) {
                $row[] = 'Nie';

            } else {
                $row[] = date('d-m-Y', $person->SendedEmail);

            }

            $row[] = 'actions';

            $data[] = $row;
        }

        $output = array(
                        "draw" => $_POST['draw'],
                        "recordsTotal" => $this->AppModel->CountAll(),
                        "recordsFiltered" => $this->AppModel->CountFiltered(),
                        "data" => $data,
                );
        //output to json format
        echo json_encode($output);