tournonsLaPage/themes/plain/plain.php

<?php
namespace Grav\Theme;

use Grav\Common\Grav;
use Grav\Common\Theme;
use Grav\Common\Page\Page;

class Plain extends Theme
{
  public static function countryCodes()
  {
      return array (
          'AF' => 'Afghanistan',
          'AX' => 'Åland Islands',
          'AL' => 'Albania',
          'DZ' => 'Algeria',
          'AS' => 'American Samoa',
          'AD' => 'Andorra',
          'AO' => 'Angola',
          'AI' => 'Anguilla',
          'AQ' => 'Antarctica',
          'AG' => 'Antigua & Barbuda',
          'AR' => 'Argentina',
          'AM' => 'Armenia',
          'AW' => 'Aruba',
          'AC' => 'Ascension Island',
          'AU' => 'Australia',
          'AT' => 'Austria',
          'AZ' => 'Azerbaijan',
          'BS' => 'Bahamas',
          'BH' => 'Bahrain',
          'BD' => 'Bangladesh',
          'BB' => 'Barbados',
          'BY' => 'Belarus',
          'BE' => 'Belgium',
          'BZ' => 'Belize',
          'BJ' => 'Benin',
          'BM' => 'Bermuda',
          'BT' => 'Bhutan',
      );
  }
}