Thelia\Tools\NumberFormat::getInstance PHP Method

    public static function getInstance(Request $request)
    {
        return new NumberFormat($request);
    }

 protected function buildForm()
 {
     $this->formBuilder->add('product_id', 'integer', ['label' => Translator::getInstance()->trans('Product'), 'required' => true, 'constraints' => [new NotBlank()]])->add('currency_id', 'integer', ['label' => Translator::getInstance()->trans('Currency'), 'required' => true, 'constraints' => [new NotBlank()]]);
     $productId = $this->request->get('product_id');
     if ($productId === null) {
         $productId = $this->request->get($this->getName())['product_id'];
     }
     $product = ProductQuery::create()->findPk($productId);
     if ($product->getTemplate() === null) {
         return;
     }
     $currencyId = $this->request->get('edit_currency_id');
     if ($currencyId === null) {
         $defaultCurrency = CurrencyQuery::create()->findOneByByDefault(true);
         if ($defaultCurrency !== null) {
             $currencyId = $defaultCurrency->getId();
         }
     }
     $productAttributeAvs = AttributeAvQuery::create()->useAttributeQuery()->filterByTemplate($product->getTemplate())->endUse()->find();
     $formData = ['price_delta' => [], 'price_delta_with_tax' => []];
     /** @var TaxEngine $taxEngine */
     $taxEngine = $this->container->get('thelia.taxEngine');
     $taxCalculator = (new Calculator())->load($product, $taxEngine->getDeliveryCountry());
     /** @var AttributeAv $productAttributeAv */
     foreach ($productAttributeAvs as $productAttributeAv) {
         $legacyProductAttributeValuePrice = LegacyProductAttributeValuePriceQuery::create()->findPk([$product->getId(), $productAttributeAv->getId(), $currencyId]);
         $priceDelta = 0;
         $priceDeltaWithTax = 0;
         if (null !== $legacyProductAttributeValuePrice) {
             $priceDelta = $legacyProductAttributeValuePrice->getDelta();
             $priceDeltaWithTax = $taxCalculator->getTaxedPrice($legacyProductAttributeValuePrice->getDelta());
         }
         $numberFormatter = NumberFormat::getInstance($this->getRequest());
         $formData['price_delta'][$productAttributeAv->getId()] = $numberFormatter->formatStandardNumber($priceDelta);
         $formData['price_delta_with_tax'][$productAttributeAv->getId()] = $numberFormatter->formatStandardNumber($priceDeltaWithTax);
     }
     $this->formBuilder->add('legacy_product_attribute_value_price_delta', 'collection', ['label' => Translator::getInstance()->trans('Price difference excluding taxes', [], LegacyProductAttributes::MESSAGE_DOMAIN_BO), 'type' => 'number', 'allow_add' => true, 'allow_delete' => true, 'data' => $formData['price_delta']])->add('legacy_product_attribute_value_price_delta_with_tax', 'collection', ['label' => Translator::getInstance()->trans('Price difference including taxes', [], LegacyProductAttributes::MESSAGE_DOMAIN_BO), 'type' => 'number', 'allow_add' => true, 'allow_delete' => true, 'data' => $formData['price_delta_with_tax']]);
 }