Merge branch '2.4'

book/controller.rst

@@ -590,8 +590,6 @@ Accessing other Services
 When extending the base controller class, you can access any Symfony2 service
 via the ``get()`` method. Here are several common services you might need::
 
-    $request = $this->getRequest();
-
     $templating = $this->get('templating');
 
     $router = $this->get('router');
@@ -660,16 +658,21 @@ by using the native PHP sessions.
 Storing and retrieving information from the session can be easily achieved
 from any controller::
 
-    $session = $this->getRequest()->getSession();
+    use Symfony\Component\HttpFoundation\Request;
+
+    public function indexAction(Request $request)
+    {
+        $session = $request->getSession();
 
-    // store an attribute for reuse during a later user request
-    $session->set('foo', 'bar');
+        // store an attribute for reuse during a later user request
+        $session->set('foo', 'bar');
 
-    // in another controller for another request
-    $foo = $session->get('foo');
+        // in another controller for another request
+        $foo = $session->get('foo');
 
-    // use a default value if the key doesn't exist
-    $filters = $session->get('filters', array());
+        // use a default value if the key doesn't exist
+        $filters = $session->get('filters', array());
+    }
 
 These attributes will remain on the user for the remainder of that user's
 session.
@@ -687,11 +690,13 @@ These types of messages are called "flash" messages.
 
 For example, imagine you're processing a form submit::
 
-    public function updateAction()
+    use Symfony\Component\HttpFoundation\Request;
+
+    public function updateAction(Request $request)
     {
         $form = $this->createForm(...);
 
-        $form->handleRequest($this->getRequest());
+        $form->handleRequest($request);
 
         if ($form->isValid()) {
             // do some sort of processing
@@ -783,17 +788,22 @@ The Request Object
 ------------------
 
 Besides the values of the routing placeholders, the controller also has access
-to the ``Request`` object when extending the base ``Controller`` class::
+to the ``Request`` object. The framework injects the ``Request`` object in the
+controller if a variable is type-hinted with
+`Symfony\Component\HttpFoundation\Request`::
 
-    $request = $this->getRequest();
+    use Symfony\Component\HttpFoundation\Request;
 
-    $request->isXmlHttpRequest(); // is it an Ajax request?
+    public function indexAction(Request $request)
+    {
+        $request->isXmlHttpRequest(); // is it an Ajax request?
 
-    $request->getPreferredLanguage(array('en', 'fr'));
+        $request->getPreferredLanguage(array('en', 'fr'));
 
-    $request->query->get('page'); // get a $_GET parameter
+        $request->query->get('page'); // get a $_GET parameter
 
-    $request->request->get('page'); // get a $_POST parameter
+        $request->request->get('page'); // get a $_POST parameter
+    }
 
 Like the ``Response`` object, the request headers are stored in a ``HeaderBag``
 object and are easily accessible.

book/http_cache.rst

@@ -557,12 +557,14 @@ each ``ETag`` must be unique across all representations of the same resource.
 
 To see a simple implementation, generate the ETag as the md5 of the content::
 
-    public function indexAction()
+    use Symfony\Component\HttpFoundation\Request;
+
+    public function indexAction(Request $request)
     {
         $response = $this->render('MyBundle:Main:index.html.twig');
         $response->setETag(md5($response->getContent()));
         $response->setPublic(); // make sure the response is public/cacheable
-        $response->isNotModified($this->getRequest());
+        $response->isNotModified($request);
 
         return $response;
     }
@@ -604,7 +606,9 @@ For instance, you can use the latest update date for all the objects needed to
 compute the resource representation as the value for the ``Last-Modified``
 header value::
 
-    public function showAction($articleSlug)
+    use Symfony\Component\HttpFoundation\Request;
+
+    public function showAction($articleSlug, Request $request)
     {
         // ...
 
@@ -617,7 +621,7 @@ header value::
         // Set response as public. Otherwise it will be private by default.
         $response->setPublic();
 
-        if ($response->isNotModified($this->getRequest())) {
+        if ($response->isNotModified($request)) {
             return $response;
         }
 
@@ -653,8 +657,9 @@ the better. The ``Response::isNotModified()`` method does exactly that by
 exposing a simple and efficient pattern::
 
     use Symfony\Component\HttpFoundation\Response;
+    use Symfony\Component\HttpFoundation\Request;
 
-    public function showAction($articleSlug)
+    public function showAction($articleSlug, Request $request)
     {
         // Get the minimum information to compute
         // the ETag or the Last-Modified value
@@ -671,7 +676,7 @@ exposing a simple and efficient pattern::
         $response->setPublic();
 
         // Check that the Response is not modified for the given Request
-        if ($response->isNotModified($this->getRequest())) {
+        if ($response->isNotModified($request)) {
             // return the 304 Response immediately
             return $response;
         } else {