[PHP] 한글명 파일 다운로드받기

<?
$filepath = "./upload_interview/".$filename;
$filepath = addslashes($filepath);

header("Content-Type: application/octet-stream");
Header("Content-Disposition: attachment;; filename=".$filename);
header("Content-Transfer-Encoding: binary");
Header("Content-Length: ".(string)(filesize($filepath)));
Header("Cache-Control: cache, must-revalidate");
header("Pragma: no-cache");
header("Expires: 0");
$fp = fopen($filepath,'r+b') ;
if (!fpassthru($fp)) {
fclose($fp);
}
?>