问Symfony2: SerializerBuilder与内存

EN

// Create the $serializer
$serializer = SerializerBuilder::create()->build();
// Put the serialized data in $jsonContent
$jsonContent = $serializer->serialize($products, 'json');
// Generate a Json Response
$response = new Response($jsonContent);
$response->headers->set('Content-Type', 'application/json');
return $response;

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