Get Date pattern by country code

t_country_script.php

 require_once DRUPAL_ROOT . '/includes/locale.inc';
  $countries = country_get_list();
  foreach ($countries as $code => $name) {
    $new_countries[$code]['name'] = $name;
    $fmt =  new IntlDateFormatter(
      $code,
      IntlDateFormatter::SHORT,
      IntlDateFormatter::SHORT
    );
    $pattern = $fmt->getPattern();
    $new_countries[$code]['pattern'] = $pattern;
  }