private static function prepareRequestBytesFields($inputs) { foreach ($inputs as $key => $val) { if (is_array($val)) { if (array_get($val, '__type') == 'Bytes') { $inputs[$key] = $val['base64']; } else { // recursive for Parse Objects $inputs[$key] = SELF::prepareRequestBytesFields($val); } } } return $inputs; }