/**
* Convert passed data to UTF-8
* @param mixed $data Data to convert
* @return mixed Converted data to UTF-8
*/
public static function to_unicode($data)
{
foreach ($data as $key => $value) {
if (is_array($value)) {
$data[$key] = response::to_unicode($value);
} else {
$data[$key] = iconv(CHARSET, 'UTF-8', $value);
}
}
return $data;
}
