так вроде бы попадает....
$product_data[] = array(
'name' => $product_info['name'],
'model' => $product_info['model'],
'option' => $option_data,
'quantity' => $product['quantity'],
'location' => $product_info['location'],
'sku' => $product_info['sku'],
'upc' => $product_info['upc'],
'ean' => $product_info['ean'],
'jan' => $product_info['jan'],
'isbn' => $product_info['isbn'],
'mpn' => $product_info['mpn'],
'weight' => $this->weight->format(($product_info['weight'] + (float)$option_weight) * $product['quantity'], $product_info['weight_class_id'], $this->language->get('decimal_point'), $this->language->get('thousand_point'))
);
}
}