change doc to best practices

Author: dbu

bundles/content/configuration.rst

@@ -30,6 +30,7 @@ is the following configuration:
 
     .. code-block:: yaml
 
+        # app/config/config.yml
         cmf_content:
             persistence:
                 phpcr:
@@ -41,6 +42,7 @@ is the following configuration:
 
     .. code-block:: xml
 
+        <!-- app/config/config.xml -->
         <?xml version="1.0" charset="UTF-8" ?>
         <container xmlns="http://symfony.com/schema/dic/services">
 
@@ -60,15 +62,18 @@ is the following configuration:
 
     .. code-block:: php
 
-        $container->loadFromExtension('cmf_content', array(
-            'persistence' => array(
-                'phpcr' => array(
+        // app/config/config.php
+        $container->loadFromExtension('cmf_content', [
+            'persistence' => [
+                'phpcr' => [
                     'enabled'          => false,
                     'admin_class'      => null,
                     'document_class'   => null,
                     'content_basepath' => '/cms/content',
                     'use_sonata_admin' => 'auto',
-        ));
+                ],
+            ],
+        ]);
 
 ``enabled``
 ...........

bundles/content/exposing_content_via_rest.rst

@@ -54,6 +54,7 @@ Here is an example configuration for the FOSRestBundle.
 
     .. code-block:: yaml
 
+        # app/config/config.yml
         fos_rest:
             # configure the view handler
             view:
@@ -71,6 +72,7 @@ Here is an example configuration for the FOSRestBundle.
 
     .. code-block:: xml
 
+        <!-- app/config/config.xml -->
         <?xml version="1.0" encoding="UTF-8" ?>
         <container xmlns="http://symfony.com/schema/dic/services">
 
@@ -98,46 +100,46 @@ Here is an example configuration for the FOSRestBundle.
 
     .. code-block:: php
 
-        $container->loadFromExtension('fos_rest', array(
+        // app/config/config.php
+        $container->loadFromExtension('fos_rest', [
             // configure the view handler
-            'view' => array(
-                'force_redirects' => array(
+            'view' => [
+                'force_redirects' => [
                     'html' => true,
-                ),
-                'formats' => array(
+                ],
+                'formats' => [
                     'json' => true,
                     'xml' => true,
-                ),
-                'templating_formats' => array(
+                ],
+                'templating_formats' => [
                     'html' => true,
-                ),
-            ),
+                ],
+            ],
             // add a content negotiation rule, enabling support for json/xml for the entire website
-            'format_listener' => array(
-                'rules' => array(
-                    array(
+            'format_listener' => [
+                'rules' => [
+                    [
                         'path' => '^/',
-                        'priorities' => array('html', 'json', 'xml'),
+                        'priorities' => ['html', 'json', 'xml'],
                         'fallback_format' => 'html',
                         'prefer_extension' => false,
-                    ),
-                ),
-            ),
-        ));
+                    ],
+                ],
+            ],
+        ]);
 
 Using the REST API
 ------------------
 
-After you configured the FOSRestBundle, you need to execute the following
-commands:
+This is all it takes to enable read support via JSON or XML!
+Test if the setup works as expected with curl:
 
 .. code-block:: bash
 
     curl http://my-cmf.org/app_dev.php -H Accept:application/json
     curl http://my-cmf.org/app_dev.php -H Accept:application/xml
     curl http://my-cmf.org/app_dev.php -H Accept:text/html
 
-This is all it takes to enable read support via JSON or XML!
 
 The JMS serializer comes with sensible defaults for Doctrine object mappers.
 However it might be necessary to add additional mapping to more tightly

bundles/content/introduction.rst

@@ -140,9 +140,9 @@ To configure a default template, use the ``default_template`` option:
         // app/config/config.yml
 
         // ...
-        $container->loadFromExtension('cmf_content', array(
+        $container->loadFromExtension('cmf_content', [
             'default_template' => 'AppBundle:Content:static.html.twig',
-        ));
+        ]);
 
 Whenever the content controller gets called without a specified template, it
 will now use this template.
@@ -187,16 +187,16 @@ Lets assume that you want to handle ``StaticContent`` with the default
 
     .. code-block:: php
 
-        // app/config/config.yml
-
+        // app/config/config.php
+        use Symfony\Cmf\Bundle\ContentBundle\Doctrine\Phpcr\StaticContent;
         // ...
-        $container->loadFromExtension('cmf_routing', array(
-            'dynamic' => array(
-                'controller_by_class' => array(
-                    'Symfony\Cmf\Bundle\ContentBundle\Doctrine\Phpcr\StaticContent' => 'cmf_content.controller:indexAction',
-                ),
-            ),
-        ));
+        $container->loadFromExtension('cmf_routing', [
+            'dynamic' => [
+                'controller_by_class' => [
+                    StaticContent::class => 'cmf_content.controller:indexAction',
+                ],
+            ],
+        ]);
 
 Now everything is configured correctly, navigating to ``/hello`` results in a
 page displaying your content.