if ($encoding) {
$expanded = mb_convert_encoding($string, "UTF-32BE", $encoding);
} else {
$expanded = mb_convert_encoding($string, "UTF-32BE");
}
if ($encoding) {
$expanded = mb_convert_encoding($string, "UTF-32BE", $encoding);
} else {
$expanded = mb_convert_encoding($string, "UTF-32BE");
}