ChildController::update($id, $_REQUEST);
        } else {
            ChildController::update(null, $_REQUEST);
        }
        break;
    case 'POST':
        ChildController::create($_POST);
        break;
    case 'GET':
        if (isset($request) && !empty($request) && $request[0] !== '') {
            if ($request[0] == 'filter') {
                $value = $request[1];
                ChildController::filter($value);
            } else {
                $id = $request[0];
                ChildController::detail($id);
            }
        } else {
            ChildController::read();
        }
        break;
    case 'DELETE':
        if (isset($request) && !empty($request) && $request[0] !== '') {
            $id = $request[0];
            ChildController::delete($id);
        }
        break;
    default:
        return print json_encode('DECISION SUPPORT SYSTEM API v.0.1 developed by: Philip Cesar B. Garay');
        break;
}