Илья Малашко (Все сообщения пользователя)

php_admin_value max_execution_time 300

$order = \Bitrix\Sale\Order::create($siteId, $fUserID);
$order->isStartField();
$order->setPersonTypeId(1);
$order->setBasket($basket);

$order = Order::create($siteId, $registeredUserID);
$order->setPersonTypeId($PERSON_TYPE_ID);

$basket = Sale\Basket::loadItemsForFUser(\CSaleBasket::GetBasketUserID(), $siteId)->getOrderableItems();

DiscountCouponsManager::init(DiscountCouponsManager::MODE_CLIENT, ['userId' => $registeredUserID, "orderId" => $order->getId()]);
Sale\DiscountCouponsManager::add($_SESSION['bp_cache']['bp_user']['coupon']);

$arErrors = \Bitrix\Sale\DiscountCouponsManager::getErrors();

$discounts = \Bitrix\Sale\Discount::loadByBasket($basket);
$discounts->calculate();
$basket->refreshData(array('PRICE', 'COUPONS'));

$discountResult = $discounts->getApplyResult();

$order->save();

$fUserID = \Bitrix\Sale\Fuser::getId();
$siteId = \Bitrix\Main\Context::getCurrent()->getSite();
$basket = \Bitrix\Sale\Basket::loadItemsForFUser(
    $fUserID,
    $siteId
);

//...

\Bitrix\Sale\DiscountCouponsManager::init();
\Bitrix\Sale\DiscountCouponsManager::clear(true);
\Bitrix\Sale\DiscountCouponsManager::add($_REQUEST['promocode']);
$arErrors = \Bitrix\Sale\DiscountCouponsManager::getErrors();

$discounts = \Bitrix\Sale\Discount::loadByBasket($basket);
$basket->refreshData(array('PRICE', 'COUPONS'));

$discounts->calculate();
$discountResult = $discounts->getApplyResult();

 echo "<pre>";
 print_r($discountResult); // купон приенен
 echo "</pre>";

//...

$basket->save();

foreach ($basket as $item) {
    echo "<pre>";
    print_r($item); // Тут цены без скидки
    echo "</pre>";
}