function atm_utf8_decode_callback(&$input, $index = '')
{
if (is_string($input)) {
//decode UTF8 with support of CP1252
$input = io::utf8Decode($input);
return $input;
} elseif (is_array($input)) {
array_walk_recursive($input, 'atm_utf8_decode_callback');
return $input;
}
return $input;
}