Email aus Kommentar entfernen

content/showArticle.php

@@ -15,15 +15,17 @@ $userManager = UserManager::getInstance();
  */
 function getCommentAuthorName($email, $userManager)
 {
+    $email = trim($email);
     $user = $userManager->findUser($email);
 
     if ($user === null) {
         return $email;
     }
 
-    $fullName = trim(
-            ($user["vorname"] ?? "") . " " . ($user["nachname"] ?? "")
-    );
+    $vorname = trim($user["vorname"] ?? "");
+    $nachname = trim($user["nachname"] ?? "");
+
+    $fullName = trim($vorname . " " . $nachname);
 
     return $fullName !== "" ? $fullName : $email;
 }