Update guard_authentication.rst

Author: andreybolonin

security/guard_authentication.rst

@@ -175,9 +175,9 @@ This requires you to implement six methods::
             }
 
             // What you return here will be passed to getUser() as $credentials
-            return array(
+            return [
                 'token' => $token,
-            );
+            ];
         }
 
         public function getUser($credentials, UserProviderInterface $userProvider)
@@ -206,27 +206,27 @@ This requires you to implement six methods::
 
         public function onAuthenticationFailure(Request $request, AuthenticationException $exception)
         {
-            $data = array(
+            $data = [
                 'message' => strtr($exception->getMessageKey(), $exception->getMessageData())
 
                 // or to translate this message
                 // $this->translator->trans($exception->getMessageKey(), $exception->getMessageData())
-            );
+            ];
 
-            return new JsonResponse($data, 403);
+            return new JsonResponse($data, Response::HTTP_FORBIDDEN);
         }
 
         /**
          * Called when authentication is needed, but it's not sent
          */
         public function start(Request $request, AuthenticationException $authException = null)
         {
-            $data = array(
+            $data = [
                 // you might translate this message
                 'message' => 'Authentication Required'
-            );
+            ];
 
-            return new JsonResponse($data, 401);
+            return new JsonResponse($data, Response::HTTP_UNAUTHORIZED);
         }
 
         public function supportsRememberMe()