Merge branch '4.4' into 5.0

* 4.4:
  Reworded the docs about storing sessions in database

Author: javiereguiluz

_build/redirection_map

@@ -481,3 +481,5 @@
 /components/translation/custom_message_formatter https://github.com/symfony/translation
 /components/notifier https://github.com/symfony/notifier
 /components/routing https://github.com/symfony/routing
+/doctrine/pdo_session_storage /session/database
+/doctrine/mongodb_session_storage /session/database

doctrine.rst

@@ -849,10 +849,9 @@ Learn more
     doctrine/custom_dql_functions
     doctrine/dbal
     doctrine/multiple_entity_managers
-    doctrine/pdo_session_storage
-    doctrine/mongodb_session_storage
     doctrine/resolve_target_entity
     doctrine/reverse_engineering
+    session/database
     testing/database
 
 .. _`Doctrine`: https://www.doctrine-project.org/

doctrine/mongodb_session_storage.rst

@@ -1196,66 +1196,17 @@ The service id used for session storage. The ``session.storage`` service
 alias will be set to this service id. This class has to implement
 :class:`Symfony\\Component\\HttpFoundation\\Session\\Storage\\SessionStorageInterface`.
 
+.. _config-framework-session-handler-id:
+
 handler_id
 ..........
 
 **type**: ``string`` **default**: ``null``
 
 The service id used for session storage. The default ``null`` value means to use
 the native PHP session mechanism. Set it to ``'session.handler.native_file'`` to
-let Symfony manage the sessions itself using files to store the session
-metadata.
-
-You can also configure the session handler with a DSN. For example:
-
-.. configuration-block::
-
-    .. code-block:: yaml
-
-        # config/packages/framework.yaml
-        framework:
-            session:
-                # ...
-                handler_id: 'redis://localhost'
-                handler_id: '%env(REDIS_URL)%'
-                handler_id: '%env(resolve:DATABASE_URL)%'
-                handler_id: 'file://%kernel.project_dir%/var/sessions'
-
-    .. code-block:: xml
-
-        <!-- config/packages/framework.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"
-            xmlns:framework="http://symfony.com/schema/dic/symfony"
-            xsi:schemaLocation="http://symfony.com/schema/dic/services
-                https://symfony.com/schema/dic/services/services-1.0.xsd
-                http://symfony.com/schema/dic/symfony https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
-
-            <framework:config>
-                <framework:session enabled="true"
-                    handler-id="redis://localhost"
-                    handler-id="%env(REDIS_URL)%"
-                    handler-id="%env(resolve:DATABASE_URL)%"
-                    handler-id="file://%kernel.project_dir%/var/sessions"/>
-            </framework:config>
-        </container>
-
-    .. code-block:: php
-
-        // config/packages/framework.php
-        $container->loadFromExtension('framework', [
-            'session' => [
-                // ...
-                'handler_id' => 'redis://localhost',
-                'handler_id' => '%env(REDIS_URL)%',
-                'handler_id' => '%env(resolve:DATABASE_URL)%',
-                'handler_id' => 'file://%kernel.project_dir%/var/sessions',
-            ],
-        ]);
-
-If you prefer to make Symfony store sessions in a database read
-:doc:`/doctrine/pdo_session_storage`.
+let Symfony manage the sessions itself using files to store the session metadata.
+You can also :doc:`store sessions in a database </session/database>`.
 
 .. _name: