Merge branch '1.3'

* 1.3:
  fixed deprecation warnings
  Update twig.rst

composer.json

@@ -44,7 +44,7 @@
         "symfony/twig-bridge": "~2.8|^3.0",
         "symfony/validator": "~2.8|^3.0",
         "symfony/var-dumper": "~2.8|^3.0",
-        "twig/twig": "~1.27|~2.0",
+        "twig/twig": "~1.28|~2.0",
         "doctrine/dbal": "~2.2",
         "swiftmailer/swiftmailer": "~5",
         "monolog/monolog": "^1.4.1"

doc/providers/twig.rst

@@ -181,6 +181,12 @@ Traits
 
     return $app->render('index.html', ['name' => 'Fabien'], new StreamedResponse());
 
+* **renderView**: Renders a view with the given parameters and returns a string.
+
+.. code-block:: php
+
+    $content = $app->renderView('index.html', ['name' => 'Fabien']);
+
 Customization
 -------------