카테고리별 최신글 추출 문의

<?php if (!defined('_GNUBOARD_')) exit; //2. 카테고리로 최신글 보이기//  사용법 : <?php echo latest_category("최신글스킨", "게시판이름", 게시물수, 제목글자수, "카테고리이름");? > // 최신글 카테고리 데이타만 추출function latest_category ($skin_dir="", $bo_table, $rows=10, $subject_len=40, $options="") {     global $g5;     //static $css = array();     if (!$skin_dir) $skin_dir = 'basic';     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) {         $cache_file = G5_DATA_PATH."/cache/latest-{$bo_table}-category-{$skin_dir}-{$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_once($cache_file);         }     }     if(!G5_USE_CACHE || $cache_fwrite) {         $list = array();         $sql = " select * from {$g5['board_table']} where bo_table = '{$bo_table}' ";         $board = sql_fetch($sql);         $bo_subject = get_text($board['bo_subject']);         $tmp_write_table = $g5['write_prefix'] . $bo_table; // 게시판 테이블 전체이름        $sql = " select * from {$tmp_write_table} where ca_name = '{$options}' order by wr_num limit 0, {$rows} ";         $result = sql_query($sql);         for ($i=0; $row = sql_fetch_array($result); $i++) {             $list[$i] = get_list($row, $board, $latest_skin_url, $subject_len);         }         if($cache_fwrite) {             $handle = fopen($cache_file, 'w');             $cache_content = "<?php\nif (!defined('_GNUBOARD_')) exit;\n\$bo_subject=\"".$bo_subject."\";\n\$list=".var_export($list, true)."?>";             fwrite($handle, $cache_content);             fclose($handle);         }     }     /*     // 같은 스킨은 .css 를 한번만 호출한다.     if (!in_array($skin_dir, $css) && is_file($latest_skin_path.'/style.css')) {         echo '<link rel="stylesheet" href="'.$latest_skin_url.'/style.css">';         $css[] = $skin_dir;     }     */     ob_start();     include $latest_skin_path.'/latest.skin.php';     $content = ob_get_contents();     ob_end_clean();     return $content; } ?>