/**
* Locale specific array sorting function (sorting keys)
*
* @param array $arr single array of strings
* @param string $ns admin/public/lang
* @param string $lang language to be used if $ns = 'lang'
*/
public static function lexicalKeySort(&$arr, $ns = '', $lang = 'en_US')
{
if ($ns != '') {
dcUtils::setLexicalLang($ns, $lang);
}
return uksort($arr, array('dcUtils', 'lexicalSortHelper'));
}
