phpjs/functions/i18n/i18n_loc_get_default.js

php.js offers community built php functions in javascript

function i18n_loc_get_default() {
  //  discuss at: http://phpjs.org/functions/i18n_loc_get_default/
  // original by: Brett Zamir (http://brett-zamir.me)
  //        note: Renamed in PHP6 from locale_get_default(). Not listed yet at php.net
  //        note: List of locales at http://demo.icu-project.org/icu-bin/locexp
  //        note: To be usable with sort() if it is passed the SORT_LOCALE_STRING sorting flag: http://php.net/manual/en/function.sort.php
  //  depends on: i18n_loc_set_default
  //   example 1: i18n_loc_set_default('pt_PT');
  //   example 1: i18n_loc_get_default();
  //   returns 1: 'pt_PT'

  try {
    this.php_js = this.php_js || {};
  } catch (e) {
    this.php_js = {};
  }

  // Ensure defaults are set up
  return this.php_js.i18nLocale || (i18n_loc_set_default('en_US_POSIX'), 'en_US_POSIX');
}