웹 서버를 이용한 인증

  header('WWW-Authenticate: Basic realm="My Private Stuff"');
  header('HTTP/1.0 401 Unauthorized');
  exit;

 }else if (isset($_SERVER['PHP_AUTH_USER'])) {

  if (($_SERVER['PHP_AUTH_USER'] != $id) || ($_SERVER['PHP_AUTH_PW'] != $pw)) {
   header('WWW-Authenticate: Basic realm="Realm-Name"');
   
   if(substr($SERVER_SOFTWARE, 0, 9) == "Microsoft"){
    header('Status: 401 Unauthorized');
   } else {
    header('HTTP/1.0 401 Unauthorized');
   }
   echo "누구냐 넌...";
   exit;
   }
  else { 
   echo "올바르게 접근했습니다.";
  }
}
?>