Merge branch '2.8' into 3.1

* 2.8:
  [Twig] Fix deprecations with Twig 1.29
  Fixed typo
  Fix email address
  fix the docblock in regard to the role argument
  [VarDumper] fix tests when xdebug is enabled
  Fix merge
  [Cache] Fix dumping SplDoublyLinkedList iter mode
  [Console] fixed PHP7 Errors when not using Dispatcher
  Regression test for missing controller arguments
  fix a test checking for a value
  [Form][DX] FileType "multiple" fixes
  fixed CS
  [TwigBundle] Fix twig loader registered twice
  [WebProfilerBundle] Fix dump block is unfairly restrained
  [Console] Fix wrong handling of multiline arg/opt descriptions
  [DependencyInjection] PhpDumper.php: hasReference() should not search references in lazy service arguments.
  [Form] fixed "empty_value" option deprecation
  Cast result to int before adding to it

Author: nicolas-grekas

Core/Authentication/Token/AbstractToken.php

@@ -33,7 +33,7 @@ abstract class AbstractToken implements TokenInterface
     /**
      * Constructor.
      *
-     * @param RoleInterface[]|string[] $roles An array of roles
+     * @param (RoleInterface|string)[] $roles An array of roles
      *
      * @throws \InvalidArgumentException
      */

Core/Authentication/Token/PreAuthenticatedToken.php

@@ -29,7 +29,7 @@ class PreAuthenticatedToken extends AbstractToken
      * @param string|object            $user        The user can be a UserInterface instance, or an object implementing a __toString method or the username as a regular string
      * @param mixed                    $credentials The user credentials
      * @param string                   $providerKey The provider key
-     * @param RoleInterface[]|string[] $roles       An array of roles
+     * @param (RoleInterface|string)[] $roles       An array of roles
      */
     public function __construct($user, $credentials, $providerKey, array $roles = array())
     {

Core/Authentication/Token/UsernamePasswordToken.php

@@ -29,7 +29,7 @@ class UsernamePasswordToken extends AbstractToken
      * @param string|object            $user        The username (like a nickname, email address, etc.), or a UserInterface instance or an object implementing a __toString method
      * @param string                   $credentials This usually is the password of the user
      * @param string                   $providerKey The provider key
-     * @param RoleInterface[]|string[] $roles       An array of roles
+     * @param (RoleInterface|string)[] $roles       An array of roles
      *
      * @throws \InvalidArgumentException
      */

Guard/Token/PostAuthenticationGuardToken.php

@@ -21,7 +21,7 @@
  * If you're using Guard authentication, you *must* use a class that implements
  * GuardTokenInterface as your authenticated token (like this class).
  *
- * @author Ryan Weaver <ryan@knpuniversity.com>n@gmail.com>
+ * @author Ryan Weaver <ryan@knpuniversity.com>
  */
 class PostAuthenticationGuardToken extends AbstractToken implements GuardTokenInterface
 {