Merge remote-tracking branch 'origin/master' into interpreter

Author: a1812

src/RefactoringGuru/Bridge/RealWorld/Output.txt

@@ -23,5 +23,5 @@ JSON view of a simple content page, with the same client code:
 "title": "Star Wars, episode1",
 "text": "A long time ago in a galaxy far, far away...",
 "img": "/images/star-wars.jpeg",
-"link": {"href": "Add to cart", "title": "Add to cart""}
+"link": {"href": "/cart/add/123", "title": "Add to cart"}
 }

src/RefactoringGuru/Bridge/RealWorld/index.php

@@ -264,7 +264,7 @@ public function renderImage(string $url): string
 
     public function renderLink(string $url, string $title): string
     {
-        return '"link": {"href": "' . $title . '", "title": "' . $title . '""}';
+        return '"link": {"href": "' . $url . '", "title": "' . $title . '"}';
     }
 
     public function renderHeader(): string

src/RefactoringGuru/Mediator/RealWorld/index.php

@@ -224,7 +224,7 @@ public function createUser(array $data, bool $silent = false): User
         return $user;
     }
 
-    public function updateUser(User $user, array $data, bool $silent = false): User
+    public function updateUser(User $user, array $data, bool $silent = false): ?User
     {
         echo "UserRepository: Updating a user.\n";