8000 [Serializer] Add an option to skip null values by dunglas · Pull Request #10427 · symfony/symfony-docs · GitHub
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[Serializer] Add an option to skip null values #10427

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Oct 3, 2018
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[Serializer] Add an option to skip null values #10427

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[Serializer] Add an option to skip null values
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@dunglas
dunglas authored Oct 2, 2018
commit 6349bd31e0077d522be8dceab7fe7e4baca2bb7e
19 changes: 19 additions & 0 deletions components/serializer.rst
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Expand Up @@ -754,6 +754,25 @@ This encoder requires the :doc:`Yaml Component </components/yaml>` and
transforms from and to Yaml.


Skipping ``null`` Values
------------------------

By default, the Serializer will preserve properties containing a ``null`` value.
You can change this behavior by setting the ``skip_null_values`` context option
to ``true``::

$dummy = new class {
public $foo;
public $bar = 'notNull';
};

$normalizer = new ObjectNormalizer();
$result = $normalizer->normalize($dummy, 'json', ['skip_null_values' => true]);
// ['bar' => 'notNull']

.. versionadded:: 4.2
The ``skip_null_values`` option was introduced in Symfony 4.2.

.. _component-serializer-handling-circular-references:

Handling Circular References
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