Merge branch '2.7' into 2.8

* 2.7:
  fixed typo
  Revert "fixed typo"
  fixed typo
  fixed CS
  Avoid setting request attributes from signature arguments in AnnotationClassLoader
  [DependencyInjection] Add some missing typehints in YamlFileLoader
  [DependencyInjection] minor: Fix a DocBlock
  [HttpKernel] Give higher priority to adding request formats
  [FrameworkBundle] Fix third level headers for MarkdownDescriptor
  [TwigBundle] do not lose already set method calls
  #20411 fix Yaml parsing for very long quoted strings
  CS: apply is_null
  DX: remove invalid inheritdoc
  bumped Symfony version to 2.7.24
  updated VERSION for 2.7.23
  update CONTRIBUTORS for 2.7.23
  updated CHANGELOG for 2.7.23
  [FrameworkBundle] Skip test if xdebug.file_link_format is defined.

Author: fabpot

Definition.php

@@ -164,7 +164,7 @@ public function setDecoratedService($id, $renamedId = null, $priority = 0)
     }
 
     /**
-     * Gets the service that decorates this service.
+     * Gets the service that this service is decorating.
      *
      * @return null|array An array composed of the decorated service id, the new id for it and the priority of decoration, null if no service is decorated
      */

Loader/YamlFileLoader.php

@@ -85,7 +85,7 @@ public function supports($resource, $type = null)
      * @param array  $content
      * @param string $file
      */
-    private function parseImports($content, $file)
+    private function parseImports(array $content, $file)
     {
         if (!isset($content['imports'])) {
             return;
@@ -112,7 +112,7 @@ private function parseImports($content, $file)
      * @param array  $content
      * @param string $file
      */
-    private function parseDefinitions($content, $file)
+    private function parseDefinitions(array $content, $file)
     {
         if (!isset($content['services'])) {
             return;
@@ -130,9 +130,9 @@ private function parseDefinitions($content, $file)
     /**
      * Parses a definition.
      *
-     * @param string $id
-     * @param array  $service
-     * @param string $file
+     * @param string       $id
+     * @param array|string $service
+     * @param string       $file
      *
      * @throws InvalidArgumentException When tags are invalid
      */
@@ -454,7 +454,7 @@ private function resolveServices($value)
      *
      * @param array $content
      */
-    private function loadFromExtensions($content)
+    private function loadFromExtensions(array $content)
     {
         foreach ($content as $namespace => $values) {
             if (in_array($namespace, array('imports', 'parameters', 'services'))) {