Sep 11, 2018 · Sep 10, 2018 · Sep 11, 2018 · Sep 11, 2018
diff --git a/components/serializer.rst b/components/serializer.rst
    $normalizer = new ObjectNormalizer($classMetadataFactory);
    $serializer = new Serializer(array($normalizer));

    $data = $serializer->normalize($obj, null, array('groups' =>array('group1')));
    $data = $serializer->normalize($obj, null, array('groups' => 'group1'));
    // $data = array('foo' => 'foo');

    $obj2 = $serializer->denormalize(
diff --git a/serializer.rst b/serializer.rst

    $json = $serializer->serialize(
        $someObject,
        'json', array('groups' =>array('group1'))
        'json', array('groups' => 'group1')
    );

 .. tip::

    The value of the ``groups`` key can be a single string, or an array of strings.

    .. versionadded:: 4.2
        The option to pass a single string to ``groups`` was introduced in Symfony 4.2.

 In addition to the ``@Groups`` annotation, the Serializer component also
 supports YAML or XML files. These files are automatically loaded when being
 stored in one of the following locations:
Original file line number	Diff line number	Diff line change
Expand Up		@@ -337,7 +337,7 @@ You are now able to serialize only attributes in the groups you want::
		$normalizer = new ObjectNormalizer($classMetadataFactory);
		$serializer = new Serializer(array($normalizer));

		$data = $serializer->normalize($obj, null, array('groups' =>array('group1')));
		$data = $serializer->normalize($obj, null, array('groups' => 'group1'));
		// $data = array('foo' => 'foo');

		$obj2 = $serializer->denormalize(
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Original file line number	Diff line number	Diff line change
Expand Up		@@ -130,9 +130,16 @@ to your class and choose which groups to use when serializing::

		$json = $serializer->serialize(
		$someObject,
		'json', array('groups' =>array('group1'))
		'json', array('groups' => 'group1')
		);

		.. tip::

		The value of the ``groups`` key can be a single string, or an array of strings.

		.. versionadded:: 4.2
		The option to pass a single string to ``groups`` was introduced in Symfony 4.2.

		In addition to the ``@Groups`` annotation, the Serializer component also
		supports YAML or XML files. These files are automatically loaded when being
		stored in one of the following locations:
Expand Down