오래된 게시물 그룹최신글로 채택완료

3년도 넘은 게시물을 그룹최신글로 뽑아야하는데요.  캐시 저장일을 길게 잡아보았으나 출력이 안됩니다.

그룹이 아닌 개별 게시판으로 설정하면 보이는데 그룹최신글일때 안보이네요.

혹시 latest_group.lib의 문제일까요? 다른문제일까요?

====latest_group.lib.php====

// 최신글 추출 // $cache_time 캐시 갱신시간 function latest_group($skin_dir='', $gr_id, $rows=10, $subject_len=40, $cache_time=1, $options='') {     global $g5;

    if (!$skin_dir) $skin_dir = 'basic';

    if(preg_match('#^theme/(.+)$#', $skin_dir, $match)) {         if (G5_IS_MOBILE) {             $latest_skin_path = G5_THEME_MOBILE_PATH.'/'.G5_SKIN_DIR.'/latest/'.$match[1];             if(!is_dir($latest_skin_path))                 $latest_skin_path = G5_THEME_PATH.'/'.G5_SKIN_DIR.'/latest/'.$match[1];             $latest_skin_url = str_replace(G5_PATH, G5_URL, $latest_skin_path);         } else {             $latest_skin_path = G5_THEME_PATH.'/'.G5_SKIN_DIR.'/latest/'.$match[1];             $latest_skin_url = str_replace(G5_PATH, G5_URL, $latest_skin_path);         }         $skin_dir = $match[1];     } else {         if(G5_IS_MOBILE) {             $latest_skin_path = G5_MOBILE_PATH.'/'.G5_SKIN_DIR.'/latest/'.$skin_dir;             $latest_skin_url  = G5_MOBILE_URL.'/'.G5_SKIN_DIR.'/latest/'.$skin_dir;         } else {             $latest_skin_path = G5_SKIN_PATH.'/latest/'.$skin_dir;             $latest_skin_url  = G5_SKIN_URL.'/latest/'.$skin_dir;         }     }

    $cache_fwrite = false;     if(G5_USE_CACHE) {         $cache_file = G5_DATA_PATH."/cache/latest-group-{$gr_id}-{$skin_dir}-{$rows}-{$subject_len}.php";

        if(!file_exists($cache_file)) {             $cache_fwrite = true;         } else {             if($cache_time > 0) {                 $filetime = filemtime($cache_file);                 if($filetime && $filetime < (G5_SERVER_TIME - 3600 * $cache_time)) {                     @unlink($cache_file);                     $cache_fwrite = true;                 }             }

            if(!$cache_fwrite)                 include($cache_file);         }     }

    if(!G5_USE_CACHE || $cache_fwrite) {         $list = array();         $sql_common = " from {$g5['board_new_table']} a, {$g5['board_table']} b, {$g5['group_table']} c where a.bo_table = b.bo_table and b.gr_id = c.gr_id and b.bo_use_search = 1 ";         $sql_common .= " and b.gr_id = '$gr_id' ";         // $sql_common .= " and a.bo_table not in ('aaaa', 'bbbb') ";         $sql_common .= " and a.wr_id = a.wr_parent ";         $sql_order = " order by a.bn_id desc ";         $sql = " select a.*, b.bo_subject, c.gr_subject, c.gr_id {$sql_common} {$sql_order} limit 0, {$rows}";   $result = sql_query($sql);

  for ($i=0; $row=sql_fetch_array($result); $i++) {

   $sql = " select * from {$g5['board_table']} where bo_table = '{$row['bo_table']}' ";    $board = sql_fetch($sql);    $gr_subject = $row['gr_subject'];

   $tmp_write_table = $g5['write_prefix'] . $row['bo_table'];    $row2 = sql_fetch(" select * from {$tmp_write_table} where wr_id = '{$row['wr_id']}' ");

   $list[$i] = $row2;    $list[$i] = get_list($row2, $board, $latest_skin_url, $subject_len);    $list[$i]['bo_subject'] = $row['bo_subject'];    $list[$i]['bo_table'] = $row['bo_table'];   }

        if($cache_fwrite) {             $handle = fopen($cache_file, 'w');             $cache_content = "";             fwrite($handle, $cache_content);             fclose($handle);         }     }

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

    return $content; }

?>