Skeleton is ready

app/Kernel/Object/HasHiddenAttributes.php

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Kernel\Object;
+
+trait HasHiddenAttributes
+{
+    public function isHidden(string $key): bool
+    {
+        if (property_exists($this, 'hidden') && is_array($this->hidden)) {
+            return in_array($key, $this->hidden, true);
+        }
+
+        return false;
+    }
+}