POST 다중 파일 업로드

 <form action="" method="post" enctype="multipart/form-data"><br /> 
   <input type="hidden" name="MAX_FILE_SIZE" value="300000" /><br /> 
   <input name="userfile[]" type="file" /><br /> 
   <input name="userfile[]" type="file" /><br /> 
   <input name="userfile[]" type="file" /><br /> 
   <input name="userfile[]" type="file" /><br /> 
   <input name="userfile[]" type="file" /><br /> 
   <input type="submit" value="파일 전송" /> 
 </form>  

 <?php 
 if(is_array($_FILES['userfile']['name'])){ 
     $filesize = 0; 
     foreach($_FILES['userfile']['size'] as $key => $val){ 
          if($_FILES['userfile']['size'][$key] > 0){ 
               $filesize += $_FILES['userfile']['size'][$key]; 
          } 
     } 
     // 사용자 입력필드 파일 제한 크기 
     $maxfilesize = (int)$_POST['MAX_FILE_SIZE']; 
     if($filesize > $maxfilesize){ 
          echo "허용 파일용량을 초과하였습니다."; 
     } else { 
          foreach($_FILES['userfile']['name'] as $key => $val){ 
              if($_FILES['userfile']['size'][$key] > 0){ 
                   if($_FILES['userfile']['error'][$key] === UPLOAD_ERR_OK){ 
                        if(is_uploaded_file($_FILES['userfile']['tmp_name'][$key])){ 
                             $filename = md5("habony_".$_FILES['userfile']['name'][$key]); 
                             $tmpfilename = $_FILES['userfile']['tmp_name'][$key]; 
                                  if(move_uploaded_file($tmpfilename,"./upload/".$filename)){ 
                                       mysql_query("insert into $db value ( 
                                            '', 
                                            '".addslashes($_FILES['userfile']['name'][$key])."' 
                                       )"); 
                                  } 
                        } 
                   } 
              } 
          } 
     } 
 } 
 ?>