// 최신글 추출 (다중 테이블)
function latest_multi($skin_dir="", $bo_table1,$bo_table2,$bo_table3,$bo_table4, $rows=10, $subject_len=40, $options="")
{
    global $g4;

if ($skin_dir)
$latest_skin_path = "$g4[path]/skin/latest/$skin_dir";
else
$latest_skin_path = "$g4[path]/skin/latest/basic";

$list = array();

$sql = " select * from $g4[board_new_table] a, $g4[board_table] b
where a.bo_table = b.bo_table
      and a.bo_table in('$bo_table1', '$bo_table2', '$bo_table3', '$bo_table4')
      and a.wr_id = a.wr_parent
order by a.bn_id desc 
limit $rows ";
     
$result = sql_query($sql);

for ($i=0; $board=sql_fetch_array($result); $i++)
{
    $tmp_write_table = $g4[write_prefix] . $board[bo_table];

    $sql = "select * from $tmp_write_table where wr_id = '$board[wr_id]'";
    $result2 = sql_query($sql);
    $row2 = sql_fetch_array($result2);
   
    $list[$i] = get_list($row2, $board, $latest_skin_path, $subject_len);
    $list[$i][bo_table] = $board[bo_table];
}

ob_start();
include "$latest_skin_path/latest.skin.php";
$content = ob_get_contents();
ob_end_clean();

return $content;
}