Merge branch '4.4' into 5.3

* 4.4:
  Add the redirection for the removed page
  Remove redundant normalizers document
  Fix invalid statement about normalizers

Author: javiereguiluz

_build/redirection_map

@@ -516,6 +516,7 @@
 /testing/functional_tests_assertions /testing#testing-application-assertions
 /components https://symfony.com/components
 /components/index https://symfony.com/components
+/serializer/normalizers /components/serializer#normalizers
 /logging/monolog_regex_based_excludes /logging/monolog_exclude_http_codes
 /security/named_encoders /security/named_hashers
 /security/experimental_authenticators /security

components/serializer.rst

@@ -789,13 +789,13 @@ When serializing, you can set a callback to format a specific object property::
 Normalizers
 -----------
 
-Normalizers turn **object** into **array** and vice versa. They implement
-:class:`Symfony\\Component\\Serializer\\Normalizer\\NormalizableInterface`
-for normalize (object to array) and
-:class:`Symfony\\Component\\Serializer\\Normalizer\\DenormalizableInterface` for denormalize
-(array to object).
+Normalizers turn **objects** into **arrays** and vice versa. They implement
+:class:`Symfony\\Component\\Serializer\\Normalizer\\NormalizerInterface` for
+normalizing (object to array) and
+:class:`Symfony\\Component\\Serializer\\Normalizer\\DenormalizerInterface` for
+denormalizing (array to object).
 
-You can add new normalizers to a Serializer instance by using its first constructor argument::
+Normalizers are enabled in the serializer passing them as its first argument::
 
     use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
     use Symfony\Component\Serializer\Serializer;
@@ -908,6 +908,56 @@ The Serializer component provides several built-in normalizers:
 
     The ``UidNormalizer`` normalization formats were introduced in Symfony 5.3.
 
+Certain normalizers are enabled by default when using the Serializer component
+in a Symfony application, additional ones can be enabled by tagging them with
+:ref:`serializer.normalizer <reference-dic-tags-serializer-normalizer>`.
+
+Here is an example of how to enable the built-in
+:class:`Symfony\\Component\\Serializer\\Normalizer\\GetSetMethodNormalizer`, a
+faster alternative to the
+:class:`Symfony\\Component\\Serializer\\Normalizer\\ObjectNormalizer`:
+
+.. configuration-block::
+
+    .. code-block:: yaml
+
+        # config/services.yaml
+        services:
+            get_set_method_normalizer:
+                class: Symfony\Component\Serializer\Normalizer\GetSetMethodNormalizer
+                tags: [serializer.normalizer]
+
+    .. code-block:: xml
+
+        <!-- config/services.xml -->
+        <?xml version="1.0" encoding="UTF-8" ?>
+        <container xmlns="http://symfony.com/schema/dic/services"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://symfony.com/schema/dic/services
+                https://symfony.com/schema/dic/services/services-1.0.xsd">
+
+            <services>
+                <service id="get_set_method_normalizer" class="Symfony\Component\Serializer\Normalizer\GetSetMethodNormalizer">
+                    <tag name="serializer.normalizer"/>
+                </service>
+            </services>
+        </container>
+
+    .. code-block:: php
+
+        // config/services.php
+        namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+        use Symfony\Component\Serializer\Normalizer\GetSetMethodNormalizer;
+
+        return function(ContainerConfigurator $configurator) {
+            $services = $configurator->services();
+
+            $services->set('get_set_method_normalizer', GetSetMethodNormalizer::class)
+                ->tag('serializer.normalizer')
+            ;
+        };
+
 .. _component-serializer-encoders:
 
 Encoders

serializer.rst

@@ -93,53 +93,6 @@ possible to set the priority of the tag in order to decide the matching order.
     ``DateTime`` or ``DateTimeImmutable`` classes to avoid excessive memory
     usage and exposing internal details.
 
-Here is an example on how to load the built-in
-:class:`Symfony\\Component\\Serializer\\Normalizer\\GetSetMethodNormalizer`, a
-faster alternative to the `ObjectNormalizer` when data objects always use
-getters (``getXxx()``), issers (``isXxx()``) or hassers (``hasXxx()``) to read
-properties and setters (``setXxx()``) to change properties:
-
-.. configuration-block::
-
-    .. code-block:: yaml
-
-        # config/services.yaml
-        services:
-            get_set_method_normalizer:
-                class: Symfony\Component\Serializer\Normalizer\GetSetMethodNormalizer
-                tags: [serializer.normalizer]
-
-    .. code-block:: xml
-
-        <!-- config/services.xml -->
-        <?xml version="1.0" encoding="UTF-8" ?>
-        <container xmlns="http://symfony.com/schema/dic/services"
-            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-            xsi:schemaLocation="http://symfony.com/schema/dic/services
-                https://symfony.com/schema/dic/services/services-1.0.xsd">
-
-            <services>
-                <service id="get_set_method_normalizer" class="Symfony\Component\Serializer\Normalizer\GetSetMethodNormalizer">
-                    <tag name="serializer.normalizer"/>
-                </service>
-            </services>
-        </container>
-
-    .. code-block:: php
-
-        // config/services.php
-        namespace Symfony\Component\DependencyInjection\Loader\Configurator;
-
-        use Symfony\Component\Serializer\Normalizer\GetSetMethodNormalizer;
-
-        return function(ContainerConfigurator $configurator) {
-            $services = $configurator->services();
-
-            $services->set('get_set_method_normalizer', GetSetMethodNormalizer::class)
-                ->tag('serializer.normalizer')
-            ;
-        };
-
 .. _serializer-using-serialization-groups-annotations:
 
 Using Serialization Groups Annotations
@@ -282,7 +235,6 @@ take a look at how this bundle works.
 .. toctree::
     :maxdepth: 1
 
-    serializer/normalizers
     serializer/custom_encoders
     serializer/custom_normalizer