diff --git a/src/Symfony/Component/Serializer/CHANGELOG.md b/src/Symfony/Component/Serializer/CHANGELOG.md
index 97ae3fd62fdab..e652194340038 100644
--- a/src/Symfony/Component/Serializer/CHANGELOG.md
+++ b/src/Symfony/Component/Serializer/CHANGELOG.md
@@ -9,6 +9,7 @@ CHANGELOG
* added `FormErrorNormalizer`
* added `MimeMessageNormalizer`
* serializer mapping can be configured using php attributes
+ * added `skip_uninitialized_properties` context option to not serialize uninitialized properties
5.1.0
-----
diff --git a/src/Symfony/Component/Serializer/Normalizer/AbstractObjectNormalizer.php b/src/Symfony/Component/Serializer/Normalizer/AbstractObjectNormalizer.php
index aa1be48cfbaf5..866d3f72c9962 100644
--- a/src/Symfony/Component/Serializer/Normalizer/AbstractObjectNormalizer.php
+++ b/src/Symfony/Component/Serializer/Normalizer/AbstractObjectNormalizer.php
@@ -13,6 +13,7 @@
use Symfony\Component\PropertyAccess\Exception\InvalidArgumentException;
use Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException;
+use Symfony\Component\PropertyAccess\Exception\UninitializedPropertyException;
use Symfony\Component\PropertyInfo\PropertyTypeExtractorInterface;
use Symfony\Component\PropertyInfo\Type;
use Symfony\Component\Serializer\Encoder\CsvEncoder;
@@ -58,6 +59,12 @@ abstract class AbstractObjectNormalizer extends AbstractNormalizer
*/
public const SKIP_NULL_VALUES = 'skip_null_values';
+ /**
+ * Flag to control whether uninitialized fields should be skipped
+ * when normalizing.
+ */
+ public const SKIP_UNINITIALIZED_PROPERTIES = 'skip_uninitialized_properties';
+
/**
* Callback to allow to set a value for an attribute when the max depth has
* been reached.
@@ -175,7 +182,17 @@ public function normalize($object, string $format = null, array $context = [])
continue;
}
- $attributeValue = $this->getAttributeValue($object, $attribute, $format, $context);
+ $attributeValue = null;
+ try {
+ $attributeValue = $this->getAttributeValue($object, $attribute, $format, $context);
+ } catch (UninitializedPropertyException $e) {
+ if (isset($context[self::SKIP_UNINITIALIZED_PROPERTIES])) {
+ continue;
+ }
+
+ throw $e;
+ }
+
if ($maxDepthReached) {
$attributeValue = $maxDepthHandler($attributeValue, $object, $attribute, $format, $context);
}
diff --git a/src/Symfony/Component/Serializer/Tests/Normalizer/Features/ObjectDummy2.php b/src/Symfony/Component/Serializer/Tests/Normalizer/Features/ObjectDummy2.php
new file mode 100644
index 0000000000000..2abf7a4b1cc58
--- /dev/null
+++ b/src/Symfony/Component/Serializer/Tests/Normalizer/Features/ObjectDummy2.php
@@ -0,0 +1,16 @@
+bar = 'present';
+
+ $normalizer = $this->getNormalizerForSkipUninitializedProperties();
+ $result = $normalizer->normalize($dummy, null, ['skip_uninitialized_properties' => true]);
+ $this->assertSame(['bar' => 'present'], $result);
+ }
+
+ public function testWithoutSkipUninitializedProperties()
+ {
+ $this->expectException(UninitializedPropertyException::class);
+
+ $normalizer = $this->getNormalizerForSkipUninitializedProperties();
+ $normalizer->normalize(new ObjectDummy2(), null);
+ }
+}
diff --git a/src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php b/src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php
index 66d578f1ebf85..5094e01e0bfbd 100644
--- a/src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php
+++ b/src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php
@@ -28,8 +28,8 @@
use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
use Symfony\Component\Serializer\Serializer;
use Symfony\Component\Serializer\SerializerInterface;
-use Symfony\Component\Serializer\Tests\Fixtures\CircularReferenceDummy;
use Symfony\Component\Serializer\Tests\Fixtures\Annotations\GroupDummy;
+use Symfony\Component\Serializer\Tests\Fixtures\CircularReferenceDummy;
use Symfony\Component\Serializer\Tests\Fixtures\OtherSerializedNameDummy;
use Symfony\Component\Serializer\Tests\Fixtures\Php74Dummy;
use Symfony\Component\Serializer\Tests\Fixtures\SiblingHolder;
@@ -43,6 +43,7 @@
use Symfony\Component\Serializer\Tests\Normalizer\Features\ObjectDummy;
use Symfony\Component\Serializer\Tests\Normalizer\Features\ObjectToPopulateTestTrait;
use Symfony\Component\Serializer\Tests\Normalizer\Features\SkipNullValuesTestTrait;
+use Symfony\Component\Serializer\Tests\Normalizer\Features\SkipUninitializedPropertiesTestTrait;
use Symfony\Component\Serializer\Tests\Normalizer\Features\TypeEnforcementTestTrait;
/**
@@ -59,6 +60,7 @@ class ObjectNormalizerTest extends TestCase
use MaxDepthTestTrait;
use ObjectToPopulateTestTrait;
use SkipNullValuesTestTrait;
+ use SkipUninitializedPropertiesTestTrait;
use TypeEnforcementTestTrait;
/**
@@ -506,6 +508,13 @@ protected function getNormalizerForSkipNullValues(): ObjectNormalizer
return new ObjectNormalizer();
}
+ // skip uninitialized
+
+ protected function getNormalizerForSkipUninitializedProperties(): ObjectNormalizer
+ {
+ return new ObjectNormalizer();
+ }
+
// type enforcement
protected function getDenormalizerForTypeEnforcement(): ObjectNormalizer
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