switch ($_SESSION['Ul_params']) {
        case 0: return '`id` ASC';
        case 1: return '`name` ASC';
        case 2: return '`name` DESC';
        case 3: return '`priceflo` ASC';
        case 4: return '`priceflo` DESC';
        case 5: return '`id` DESC';
        //default: unregistered param!
    }