[Serializer] Remove duplicate normalizers docs

components/serializer.rst

@@ -738,7 +738,8 @@ The Serializer component provides several built-in normalizers:
 :class:`Symfony\\Component\\Serializer\\Normalizer\\PropertyNormalizer`
     This normalizer directly reads and writes public properties as well as
     **private and protected** properties (from both the class and all of its
-    parent classes). It supports calling the constructor during the denormalization process.
+    parent classes) by using `PHP reflection`_. It supports calling the constructor
+    during the denormalization process.
 
     Objects are normalized to a map of property names to property values.
 
@@ -769,7 +770,7 @@ The Serializer component provides several built-in normalizers:
         The ``DateTimeZoneNormalizer`` was introduced in Symfony 4.3.
 
 :class:`Symfony\\Component\\Serializer\\Normalizer\\DataUriNormalizer`
-    This normalizer converts :phpclass:`SplFileInfo` objects into a data URI
+    This normalizer converts :phpclass:`SplFileInfo` objects into a `data URI`_
     string (``data:...``) such that files can be embedded into serialized data.
 
 :class:`Symfony\\Component\\Serializer\\Normalizer\\DateIntervalNormalizer`
@@ -781,9 +782,17 @@ The Serializer component provides several built-in normalizers:
     :class:`Symfony\\Component\\Validator\\ConstraintViolationListInterface`
     into a list of errors according to the `RFC 7807`_ standard.
 
+    .. versionadded:: 4.1
+
+        The ``ConstraintViolationListNormalizer`` was introduced in Symfony 4.1.
+
 :class:`Symfony\\Component\\Serializer\\Normalizer\\ProblemNormalizer`
     Normalizes errors according to the API Problem spec `RFC 7807`_.
 
+    .. versionadded:: 4.4
+
+        The ``ProblemNormalizer`` was introduced in Symfony 4.4.
+
 :class:`Symfony\\Component\\Serializer\\Normalizer\\CustomNormalizer`
     Normalizes a PHP object using an object that implements :class:`Symfony\\Component\\Serializer\\Normalizer\\NormalizableInterface`.
 
@@ -1601,3 +1610,5 @@ Learn more
 .. _`Value Objects`: https://en.wikipedia.org/wiki/Value_object
 .. _`API Platform`: https://api-platform.com
 .. _`list of PHP timezones`: https://www.php.net/manual/en/timezones.php
+.. _`PHP reflection`: https://php.net/manual/en/book.reflection.php
+.. _`data URI`: https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs

serializer.rst

@@ -57,36 +57,18 @@ Encoders supporting the following formats are enabled:
 
 As well as the following normalizers:
 
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\ObjectNormalizer` to
-  handle typical data objects
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\DateTimeNormalizer` for
-  objects implementing the :phpclass:`DateTimeInterface` interface
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\DateTimeZoneNormalizer` for
-  :phpclass:`DateTimeZone` objects
+* :class:`Symfony\\Component\\Serializer\\Normalizer\\ObjectNormalizer`
+* :class:`Symfony\\Component\\Serializer\\Normalizer\\DateTimeNormalizer`
+* :class:`Symfony\\Component\\Serializer\\Normalizer\\DateTimeZoneNormalizer`
 * :class:`Symfony\\Component\\Serializer\\Normalizer\\DateIntervalNormalizer`
-  for :phpclass:`DateInterval` objects
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\DataUriNormalizer` to
-  transform :phpclass:`SplFileInfo` objects in `Data URIs`_
+* :class:`Symfony\\Component\\Serializer\\Normalizer\\DataUriNormalizer`
 * :class:`Symfony\\Component\\Serializer\\Normalizer\\JsonSerializableNormalizer`
-  to deal with objects implementing the :phpclass:`JsonSerializable` interface
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\ArrayDenormalizer` to
-  denormalize arrays of objects using a format like `MyObject[]` (note the `[]` suffix)
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\ConstraintViolationListNormalizer` for objects implementing the :class:`Symfony\\Component\\Validator\\ConstraintViolationListInterface` interface
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\ProblemNormalizer` for :class:`Symfony\\Component\\ErrorHandler\\Exception\\FlattenException` objects
+* :class:`Symfony\\Component\\Serializer\\Normalizer\\ArrayDenormalizer`
+* :class:`Symfony\\Component\\Serializer\\Normalizer\\ConstraintViolationListNormalizer`
+* :class:`Symfony\\Component\\Serializer\\Normalizer\\ProblemNormalizer`
 
-.. versionadded:: 4.1
-
-    The ``ConstraintViolationListNormalizer`` was introduced in Symfony 4.1.
-
-.. versionadded:: 4.3
-
-    The ``DateTimeZoneNormalizer`` was introduced in Symfony 4.3.
-
-.. versionadded:: 4.4
-
-    The ``ProblemNormalizer`` was introduced in Symfony 4.4.
-
-Custom normalizers and/or encoders can also be loaded by tagging them as
+Other :ref:`built-in normalizers <component-serializer-normalizers>` and
+custom normalizers and/or encoders can also be loaded by tagging them as
 :ref:`serializer.normalizer <reference-dic-tags-serializer-normalizer>` and
 :ref:`serializer.encoder <reference-dic-tags-serializer-encoder>`. It's also
 possible to set the priority of the tag in order to decide the matching order.
@@ -97,7 +79,7 @@ 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
+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
@@ -298,4 +280,3 @@ take a look at how this bundle works.
 .. _`GraphQL`: https://graphql.org
 .. _`JSON:API`: https://jsonapi.org
 .. _`HAL`: http://stateless.co/hal_specification.html
-.. _`Data URIs`: https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs

serializer/custom_normalizer.rst

@@ -6,7 +6,7 @@ How to Create your Custom Normalizer
 
 The :doc:`Serializer component </components/serializer>` uses
 normalizers to transform any data into an array. The component provides several
-:doc:`built-in normalizers </serializer/normalizers>` but you may need to create
+:ref:`built-in normalizers <component-serializer-normalizers>` but you may need to create
 your own normalizer to transform an unsupported data structure.
 
 Creating a New Normalizer

serializer/normalizers.rst

@@ -21,30 +21,5 @@ Normalizers are enabled in the serializer passing them as its first argument::
 Built-in Normalizers
 --------------------
 
-Symfony includes the following normalizers but you can also
-:doc:`create your own normalizer </serializer/custom_normalizer>`:
-
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\ObjectNormalizer` to
-  normalize PHP object using the :doc:`PropertyAccess component </components/property_access>`;
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\DateTimeZoneNormalizer`
-  for :phpclass:`DateTimeZone` objects
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\DateTimeNormalizer` for
-  objects implementing the :phpclass:`DateTimeInterface` interface
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\DateIntervalNormalizer`
-  for :phpclass:`DateInterval` objects
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\DataUriNormalizer` to
-  transform :phpclass:`SplFileInfo` objects in `Data URIs`_
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\CustomNormalizer` to
-  normalize PHP object using an object that implements
-  :class:`Symfony\\Component\\Serializer\\Normalizer\\NormalizableInterface`;
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\GetSetMethodNormalizer` to
-  normalize PHP object using the getter and setter methods of the object;
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\PropertyNormalizer` to
-  normalize PHP object using `PHP reflection`_.
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\ConstraintViolationListNormalizer` for objects implementing the :class:`Symfony\\Component\\Validator\\ConstraintViolationListInterface` interface
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\ProblemNormalizer` for :class:`Symfony\\Component\\ErrorHandler\\Exception\\FlattenException` objects
-* :class:`Symfony\\Component\\Serializer\\Normalizer\\JsonSerializableNormalizer`
-  to deal with objects implementing the :phpclass:`JsonSerializable` interface
-
-.. _`Data URIs`: https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs
-.. _`PHP reflection`: https://php.net/manual/en/book.reflection.php
+Symfony includes several types of :ref:`built-in normalizers <component-serializer-normalizers>`
+but you can also :doc:`create your own normalizer </serializer/custom_normalizer>`.