function mb_basename($path) { return end(explode('/',$path)); }function utf2euc($str) { return iconv("UTF-8","cp949//IGNORE", $str); }function is_ie() { return isset($_SERVER['HTTP_USER_AGENT']) && strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false; }$filename = trim($_GET['filename']); if(strstr($filename, "..")) { echo "Sorry Parent Permission Denied"; exit;}//다운로드 이동 취약점 처리 FILE_ROOT_DIR ..