<?php
  include "dbconn.inc";
  include "lib.php";

  $thread=$_POST["thread"];
  $page = $_POST["page"];
  $passwd = $_POST["passwd"];

  $query = "select `passwd`,`comment_num` from `freeboard` where `thread` = $thread";
  $result = mysql_query($query, $dbconn);
  $read_data = @mysql_fetch_array($result);

  if($read_data[passwd] != $passwd){
    err_msg('비밀번호가 일치하지 않습니다.');
  }
  if($read_data[comment_num] > 0)
  {
    err_msg('댓글이 있는 글은 삭제할 수 없습니다.');
  }

  $query = "delete from `freeboard` where `thread` = $thread";
  $result = mysql_query($query, $dbconn);

  redirect("board.php?page=$page");
?>