Merge pull request #1471 from xerc/fix-exmpl

Fix return declarations @ example

Author: Sephster

examples/README.md

@@ -1,12 +1,11 @@
-# Example implementations
+# Example implementations (via [`Slim 3`](https://github.com/slimphp/Slim/tree/3.x))
 
 ## Installation
 
 0. Run `composer install` in this directory to install dependencies
 0. Create a private key `openssl genrsa -out private.key 2048`
-0. Create a public key `openssl rsa -in private.key -pubout > public.key`
-0. `cd` into the public directory
-0. Start a PHP server `php -S localhost:4444`
+0. Export the public key `openssl rsa -in private.key -pubout > public.key`
+0. Start local PHP server `php -S 127.0.0.1:4444 -t public/`
 
 ## Testing the client credentials grant example
 

examples/src/Repositories/AuthCodeRepository.php

@@ -21,31 +21,31 @@ class AuthCodeRepository implements AuthCodeRepositoryInterface
     /**
      * {@inheritdoc}
      */
-    public function persistNewAuthCode(AuthCodeEntityInterface $authCodeEntity)
+    public function persistNewAuthCode(AuthCodeEntityInterface $authCodeEntity): void
     {
         // Some logic to persist the auth code to a database
     }
 
     /**
      * {@inheritdoc}
      */
-    public function revokeAuthCode($codeId)
+    public function revokeAuthCode($codeId): void
     {
         // Some logic to revoke the auth code in a database
     }
 
     /**
      * {@inheritdoc}
      */
-    public function isAuthCodeRevoked($codeId)
+    public function isAuthCodeRevoked($codeId): bool
     {
         return false; // The auth code has not been revoked
     }
 
     /**
      * {@inheritdoc}
      */
-    public function getNewAuthCode()
+    public function getNewAuthCode(): AuthCodeEntityInterface
     {
         return new AuthCodeEntity();
     }