edit

src/Api.php

@@ -136,6 +136,8 @@ class Api
                     $result[$k] = $this->getName('town', $v, false, 'id', $name);
                 } elseif ($k == 4) {
                     $result[$k] = $this->getName('village', $v, false, 'id', $name);
+                } else {
+                    $result[$k] = '';
                 }
                 if (!$result[$k]) {
                     unset($result[$k]);