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* This file is part of the Symfony package.
* (c) Fabien Potencier <>
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
namespace Symfony\Component\Serializer\Normalizer;
use Symfony\Component\Serializer\Exception\CircularReferenceException;
use Symfony\Component\Serializer\Exception\ExceptionInterface;
use Symfony\Component\Serializer\Exception\InvalidArgumentException;
use Symfony\Component\Serializer\Exception\LogicException;
* @author Jordi Boggiano <>
interface NormalizerInterface
* Normalizes an object into a set of arrays/scalars.
* @param mixed $object Object to normalize
* @param string $format Format the normalization result will be encoded as
* @param array $context Context options for the normalizer
* @return array|string|int|float|bool|\ArrayObject|null \ArrayObject is used to make sure an empty object is encoded as an object not an array
* @throws InvalidArgumentException Occurs when the object given is not a supported type for the normalizer
* @throws CircularReferenceException Occurs when the normalizer detects a circular reference when no circular
* reference handler can fix it
* @throws LogicException Occurs when the normalizer is not called in an expected context
* @throws ExceptionInterface Occurs for all the other cases of errors
public function normalize($object, $format = null, array $context = []);
* Checks whether the given class is supported for normalization by this normalizer.
* @param mixed $data Data to normalize
* @param string $format The format being (de-)serialized from or into
* @return bool
public function supportsNormalization($data, $format = null);