Update some examples using 3.3 features

Author: GuilhemN

console/commands_as_services.rst

@@ -27,9 +27,7 @@ with ``console.command``:
 
         # app/config/config.yml
         services:
-            app.command.my_command:
-                class: AppBundle\Command\MyCommand
-                tags: [console.command]
+            AppBundle\Command\MyCommand: [console.command]
 
     .. code-block:: xml
 
@@ -41,8 +39,7 @@ with ``console.command``:
             http://symfony.com/schema/dic/services/services-1.0.xsd">
 
             <services>
-                <service id="app.command.my_command"
-                    class="AppBundle\Command\MyCommand">
+                <service id="AppBundle\Command\MyCommand">
                     <tag name="console.command" />
                 </service>
             </services>
@@ -53,8 +50,7 @@ with ``console.command``:
         // app/config/config.php
         use AppBundle\Command\MyCommand;
 
-        $container
-            ->register('app.command.my_command', MyCommand::class)
+        $container->register(MyCommand::class)
             ->addTag('console.command')
         ;
 
@@ -131,8 +127,7 @@ inject the ``command.default_name`` parameter:
             command.default_name: Javier
 
         services:
-            app.command.my_command:
-                class: AppBundle\Command\MyCommand
+            AppBundle\Command\MyCommand:
                 arguments: ["%command.default_name%"]
                 tags: [console.command]
 
@@ -150,8 +145,7 @@ inject the ``command.default_name`` parameter:
             </parameters>
 
             <services>
-                <service id="app.command.my_command"
-                    class="AppBundle\Command\MyCommand">
+                <service class="AppBundle\Command\MyCommand">
                     <argument>%command.default_name%</argument>
                     <tag name="console.command" />
                 </service>
@@ -166,7 +160,7 @@ inject the ``command.default_name`` parameter:
         $container->setParameter('command.default_name', 'Javier');
 
         $container
-            ->register('app.command.my_command', MyCommand::class)
+            ->register(MyCommand::class)
             ->setArguments(array('%command.default_name%'))
             ->addTag('console.command')
         ;

form/create_form_type_extension.rst

@@ -80,9 +80,18 @@ your class as a service and using the  ``form.type_extension`` tag:
 
     .. code-block:: xml
 
-        <service id="AppBundle\Form\Extension\ImageTypeExtension">
-            <tag name="form.type_extension" extended-type="Symfony\Component\Form\Extension\Core\Type\FileType" />
-        </service>
+        <!-- app/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
+                http://symfony.com/schema/dic/services/services-1.0.xsd">
+
+            <service id="AppBundle\Form\Extension\ImageTypeExtension">
+                <tag name="form.type_extension" extended-type="Symfony\Component\Form\Extension\Core\Type\FileType" />
+            </service>
+
+        </container>
 
     .. code-block:: php
 
@@ -106,10 +115,10 @@ type (``FileType``) is built. Let's see an example next.
 
 .. tip::
 
-    There is an optional tag attribute called ``priority``, which 
-    defaults to ``0`` and controls the order in which the form  
-    type extensions are loaded (the higher the priority, the earlier 
-    an extension is loaded). This is useful when you need to guarantee 
+    There is an optional tag attribute called ``priority``, which
+    defaults to ``0`` and controls the order in which the form
+    type extensions are loaded (the higher the priority, the earlier
+    an extension is loaded). This is useful when you need to guarantee
     that one extension is loaded before or after another extension.
 
     .. versionadded:: 3.2

form/type_guesser.rst

@@ -188,24 +188,23 @@ and tag it with ``form.type_guesser``:
         services:
             # ...
 
-            AppBundle\Form\TypeGuesser\PHPDocTypeGuesser:
-                tags: [form.type_guesser]
+            AppBundle\Form\TypeGuesser\PHPDocTypeGuesser: [form.type_guesser]
 
     .. code-block:: xml
 
         <!-- app/config/services.xml -->
         <?xml version="1.0" encoding="UTF-8" ?>
         <container xmlns="http://symfony.com/schema/dic/services"
-            xmlns:xsd="http://www.w3.org/2001/XMLSchema-instance"
-            xsd:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd"
-        >
-            <services>
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://symfony.com/schema/dic/services
+                http://symfony.com/schema/dic/services/services-1.0.xsd">
 
+            <services>
                 <service id="AppBundle\Form\TypeGuesser\PHPDocTypeGuesser">
                     <tag name="form.type_guesser"/>
                 </service>
-
             </services>
+
         </container>
 
     .. code-block:: php