f1-jxyh-php-8525/vendor/workerman/validation/data/iso_3166-2/BN.php

<?php
return [
  "country" => "Brunei Darussalam",
  "subdivisions" => [
    "BE" => "Belait",
    "BM" => "Brunei-Muara",
    "TE" => "Temburong",
    "TU" => "Tutong"
  ]
];