minor #15909 14123 Document denormalize groups value '*' (JohJohan)

This PR was merged into the 5.4 branch.

Discussion
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14123 Document denormalize groups value '*'

Fixes #14123.

Commits
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3938168 14123 [Serializer] Document denormalize groups value '*'

Author: javiereguiluz

components/serializer.rst

@@ -306,6 +306,11 @@ Then, create your groups definition:
              */
             public $foo;
 
+            /**
+             * @Groups({"group4"})
+             */
+            public $anotherProperty;
+
             /**
              * @Groups("group3")
              */
@@ -328,6 +333,9 @@ Then, create your groups definition:
             #[Groups(['group1', 'group2'])]
             public $foo;
 
+            #[Groups(['group4'])]
+            public $anotherProperty;
+
             #[Groups(['group3'])]
             public function getBar() // is* methods are also supported
             {
@@ -343,6 +351,8 @@ Then, create your groups definition:
             attributes:
                 foo:
                     groups: ['group1', 'group2']
+                anotherProperty:
+                    groups: ['group4']
                 bar:
                     groups: ['group3']
 
@@ -360,6 +370,10 @@ Then, create your groups definition:
                     <group>group2</group>
                 </attribute>
 
+                <attribute name="anotherProperty">
+                    <group>group4</group>
+                </attribute>
+
                 <attribute name="bar">
                     <group>group3</group>
                 </attribute>
@@ -373,6 +387,7 @@ You are now able to serialize only attributes in the groups you want::
 
     $obj = new MyObj();
     $obj->foo = 'foo';
+    $obj->anotherProperty = 'anotherProperty';
     $obj->setBar('bar');
 
     $normalizer = new ObjectNormalizer($classMetadataFactory);
@@ -382,13 +397,23 @@ You are now able to serialize only attributes in the groups you want::
     // $data = ['foo' => 'foo'];
 
     $obj2 = $serializer->denormalize(
-        ['foo' => 'foo', 'bar' => 'bar'],
+        ['foo' => 'foo', 'anotherProperty' => 'anotherProperty', 'bar' => 'bar'],
         'MyObj',
         null,
         ['groups' => ['group1', 'group3']]
     );
     // $obj2 = MyObj(foo: 'foo', bar: 'bar')
 
+    // You can use `groups` with value `*` to get all groups:
+
+    $obj3 = $serializer->denormalize(
+        ['foo' => 'foo', 'anotherProperty' => 'anotherProperty', 'bar' => 'bar'],
+        'MyObj',
+        null,
+        ['groups' => ['*']]
+    );
+    // $obj2 = MyObj(foo: 'foo', anotherProperty: 'anotherProperty', bar: 'bar')
+
 .. _ignoring-attributes-when-serializing:
 
 Selecting Specific Attributes