Delete Post

exam/classes/Models/Post/Post.php

@@ -139,6 +139,7 @@ class Post implements JsonSerializable
     $db = Database::getInstance();
     $stmt = $db->prepare("DELETE FROM egb_gaestebuch WHERE id = :ID");
     $stmt->bindValue(":ID", $this->id);
+    $stmt->execute();
 
     return $this;
   }