PHP dao::detapro 예제들

}
switch ($op) {
    case 1:
        unset($_SESSION['lista']);
        $objDAO = new dao();
        $lista = $objDAO->listarUlt();
        $_SESSION['lista'] = $lista;
        header('Location: ../view/index.php');
        break;
    case 2:
        unset($_SESSION['detapro']);
        $objDAO = new dao();
        $codpro = $_REQUEST['codpro'];
        $ex = $_REQUEST['ex'];
        $_SESSION['codpro'] = $codpro;
        $detapro = $objDAO->detapro($codpro);
        $_SESSION['detapro'] = $detapro;
        if ($ex == 1) {
            header("Location: ../view/editarprod.php");
        } else {
            header("Location: ../view/detallepro.php");
        }
        break;
    case 3:
        unset($_SESSION['proxsub']);
        $objDAO = new dao();
        $codsub = $_REQUEST['codsub'];
        $_SESSION['codsub'] = $codsub;
        $proxsub = $objDAO->proxsub($codsub);
        $_SESSION['proxsub'] = $proxsub;
        header('Location: ../view/prodxsub.php');