From ad84f23b23dc756c06fc93ccdd4770e8c11bad81 Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Tue, 17 Oct 2017 12:01:00 +0200
Subject: [PATCH] Improved the first example of the Guard authenticator

---
 security/guard_authentication.rst | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/security/guard_authentication.rst b/security/guard_authentication.rst
index 8567b32541a..05712a1e5ef 100644
--- a/security/guard_authentication.rst
+++ b/security/guard_authentication.rst
@@ -171,23 +171,17 @@ This requires you to implement several methods::
          */
         public function supports(Request $request)
         {
-            return true;
+            return $request->headers->has('X-AUTH-TOKEN')
         }
 
         /**
          * Called on every request. Return whatever credentials you want to
-         * be passed to getUser().
+         * be passed to getUser() as $credentials.
          */
         public function getCredentials(Request $request)
         {
-            if (!$token = $request->headers->get('X-AUTH-TOKEN')) {
-                // No token?
-                $token = null;
-            }
-
-            // What you return here will be passed to getUser() as $credentials
             return array(
-                'token' => $token,
+                'token' => $request->headers->get('X-AUTH-TOKEN'),
             );
         }