Sonata\ProductBundle\Model\BaseProductProvider::synchronizeVariationsPackages PHP Метод

    public function synchronizeVariationsPackages(ProductInterface $product, ArrayCollection $variations = null)
    {
        if (in_array('packages', $this->getVariationFields())) {
            return;
        }
        if (!$variations) {
            $variations = $product->getVariations();
        }
        $productPackages = $product->getPackages();
        /** @var ProductInterface $variation */
        foreach ($variations as $variation) {
            $variationPackages = $variation->getPackages();
            // browsing variation packages and remove excessing packages
            foreach ($variationPackages as $variationPackage) {
                if ($variationPackage && !$productPackages->contains($variationPackage)) {
                    $variation->removePackage($variationPackage);
                }
            }
            // browsing Product packages and add missing packages
            foreach ($productPackages as $productPackage) {
                if ($productPackage && !$variationPackages->contains($productPackage)) {
                    $package = clone $productPackage;
                    $variation->addPackage($package);
                }
            }
        }
    }