c31c40d83e
This PR was squashed before being merged into the 4.2-dev branch (closes #28661).
Discussion
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[Serializer] Add an option to skip null values
| Q | A
| ------------- | ---
| Branch? | master
| Bug fix? |no
| New feature? | yes <!-- don't forget to update src/**/CHANGELOG.md files -->
| BC breaks? | no <!-- see https://symfony.com/bc -->
| Deprecations? | no <!-- don't forget to update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tests pass? | yes <!-- please add some, will be required by reviewers -->
| Fixed tickets | n/a <!-- #-prefixed issue number(s), if any -->
| License | MIT
| Doc PR | todo
Adds a new option to not serialize `null` values:
```php
$dummy = new class {
public $foo;
public $bar = 'notNull';
};
$normalizer = new ObjectNormalizer();
$result = $normalizer->normalize($dummy, 'json', ['skip_null_values' => true]);
// ['bar' => 'notNull']
```
This feature is the only missing part to add [JSON Merge Patch](https://tools.ietf.org/html/rfc7386) support in [API Platform](https://api-platform.com).
It will also help supporting this RFC in all other projects using the Symfony Serializer.
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