Auth\User: implement array access interface

src/Auth/User.php

@@ -108,6 +108,14 @@ class User {
     }
   }
 
+  /**
+   * ArrayAccess interface
+   */
+  public function offsetExists($offset) { return self :: __isset($offset); }
+  public function offsetGet($offset){ return self :: __get($offset); }
+  public function offsetSet($offset, $value) { self :: __set($offset, $value); }
+  public function offsetUnset($offset) { self :: __set($offset, null); }
+
   /**
    * Check user password
    * @param string $password