헤더이용 다운로드 받을시 바로열기부분 소스

<?
include "../inc/global.inc";

$sql = "select upfile,upfile2,upfile3,upfile_name,upfile2_name,upfile3_name from ez_bbs where code = '$code' and idx = '$idx'";
$result = mysql_query($sql) or error(mysql_error());
$row = mysql_fetch_object($result);

if($no == ""){
 $file = "./upfile/$code/$row->upfile"; $filename = $row->upfile_name;
}else if($no == "2"){
 $file = "./upfile/$code/$row->upfile2"; $filename = $row->upfile2_name;
}else if($no == "3"){
 $file = "./upfile/$code/$row->upfile3"; $filename = $row->upfile3_name;
}

if(file_exists($file)) {
  
   if( strstr($HTTP_USER_AGENT,"MSIE 5.5")){
       header("Content-Type: doesn/matter");
       header("Content-Disposition: filename=$filename");
       header("Content-Transfer-Encoding: binary");
       header("Pragma: no-cache");
       header("Expires: 0");
   }else{
       Header("Content-type: file/unknown");
       Header("Cache-Control: cache, must-revalidate");
       Header("Content-Disposition: attachment; filename=$filename");
       Header("Content-Description: PHP3 Generated Data");
       header("Pragma: no-cache");
       header("Expires: 0");
   }
  
   if(is_file("$file")){
       $fp = fopen("$file","r");
       if(!fpassthru($fp)) {
           fclose($fp);
       }
   }
 
}else{
   echo "<script>alert('첨부파일이 존재하지 않습니다.');history.go(-1);</script>";
}

?>