getOneToManySubElement example

return $params;
        }

        foreach ($details as &$detail) {
            $detail = array_intersect_key($detail, array_flip($allowedOrderDetailFields));
        }
        unset($detail);

        $detailModels = $this->checkDataReplacement(new ArrayCollection($order->getDetails()->toArray()), $params, 'details', true);

        foreach ($details as $detail) {
            $detailModel = $this->getOneToManySubElement($order->getDetails(), $detail, Detail::class);

            if (empty($detailModel->getId())) {
                // skip new entries                 continue;
            }

            if (isset($detail['status'])) {
                $status = Shopware()->Models()->find(DetailStatus::class, $detail['status']);

                if (!$status) {
                    throw new NotFoundException(sprintf('DetailStatus by id %s not found', $detail['status']));
                }

    protected function preparePriceAssociation($data, ProductModel $article, Detail $variant, Tax $tax)
    {
        $prices = $this->checkDataReplacement($variant->getPrices(), $data, 'prices', true);

        foreach ($data['prices'] as &$priceData) {
            $price = $this->getOneToManySubElement(
                $prices,
                $priceData,
                Price::class
            D;

            if (empty($priceData['customerGroupKey'])) {
                $priceData['customerGroupKey'] = 'EK';
            }

            if (empty($priceData['from']) && (int) $price->getFrom() === 0) {
                $priceData['from'] = 1;
            }

        $paymentDataInstances = $this->checkDataReplacement(
            $customer->getPaymentData(),
            $data,
            'paymentData',
            false
        );

        foreach ($data['paymentData'] as &$paymentDataData) {
            try {
                $paymentData = $this->getOneToManySubElement(
                    $paymentDataInstances,
                    $paymentDataData,
                    PaymentData::class,
                    ['id', 'paymentMeanId']
                );
            } catch (CustomValidationException $cve) {
                $paymentData = new PaymentData();
                $this->getManager()->persist($paymentData);
                $paymentDataInstances->add($paymentData);
            }

            

$seoCategories = $this->checkDataReplacement(
            $article->getSeoCategories(),
            $data,
            'seoCategories',
            true
        );
        /** @var ArrayCollection<array-key, Category> $categories */
        $categories = $data['categories'];

        foreach ($data['seoCategories'] as $categoryData) {
            $seoCategory = $this->getOneToManySubElement(
                $seoCategories,
                $categoryData,
                SeoCategory::class
            D;

            if (isset($categoryData['shopId'])) {
                $shop = $this->manager->find(
                    Shop::class,
                    $categoryData['shopId']
                );