<? require($_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/main/include/prolog_before.php");

$response = array();

if( $_SERVER['REQUEST_METHOD'] == 'POST' 
    && isset($_POST['basketItemId'])  
    && isset($_POST['checked'])
    ) {
        
    $basketItemId = (int) $_POST['basketItemId'];
    $checked = ($_POST['checked'] == "true") ? 'Да' : 'Нет';
    
    if ($basketItemId) {
        CModule::IncludeModule("sale");
        global $DB;
        
        $arID = array();

        $arBasketItems = array();

        $dbRes = CSaleBasket::GetPropsList(
            array(
                "SORT" => "ASC",
                "NAME" => "ASC"
                ),
            array("BASKET_ID" => $basketItemId, "CODE" => "SETUP")
        );
        
        while ($arItems = $dbRes->Fetch()) {
            $DB->Query("UPDATE b_sale_basket_props SET VALUE = '".$checked."' WHERE ID = " . $arItems["ID"]);
        }
    }
}

echo json_encode($response);
exit;