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Commitd611e77

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featuresymfony#3701 [Serializer] add documentation for serializer callbacks (cordoval)
This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closessymfony#3701).Discussion----------[Serializer] add documentation for serializer callbacksrelatedsymfony/symfony#10229| Q | A || --- | --- || Doc fix? | no || New docs? | yes || Applies to | 2.3+ || Fixed tickets | self 👶 || License | CC-ASA 3.0 Unported | Sent using [Gush](https://github.com/gushphp/gush)Commits-------b865b40 add comma madness and lowercasing Wefe2029 plug new revisioneabdbd0 add serializer set callback documentation
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‎components/serializer.rst‎

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@@ -181,6 +181,37 @@ method on the normalizer definition::
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As a final result, the deserializer uses the ``first_name`` attribute as if
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it were ``firstName`` and uses the ``getFirstName`` and ``setFirstName`` methods.
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Using Callbacks to Serialize Properties with Object Instances
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-------------------------------------------------------------
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When serializing, you can set a callback to format a specific object property::
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use Acme\Person;
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use Symfony\Component\Serializer\Encoder\JsonEncoder;
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use Symfony\Component\Serializer\Normalizer\GetSetMethodNormalizer;
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use Symfony\Component\Serializer\Serializer;
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$encoder = new JsonEncoder();
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$normalizer = new GetSetMethodNormalizer();
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$callback = function ($dateTime) {
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return $dateTime instanceof \DateTime
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? $dateTime->format(\DateTime::ISO8601)
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: '';
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}
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$normalizer->setCallbacks(array('createdAt' => $callback));
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$serializer = new Serializer(array($normalizer), array($encoder));
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$person = new Person();
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$person->setName('cordoval');
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$person->setAge(34);
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$person->setCreatedAt(new \DateTime('now'));
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$serializer->serialize($person, 'json');
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// Output: {"name":"cordoval", "age": 34, "createdAt": "2014-03-22T09:43:12-0500"}
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JMSSerializer
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-------------
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