정말 하나도 모르는데 질문좀 드려요 채택완료

<~ mobile\skin\latest\basic\latest.skin.php>

<?php
if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가

// add_stylesheet('css 구문', 출력순서); 숫자가 작을 수록 먼저 출력됨
add_stylesheet('<link rel="stylesheet" href="'.$latest_skin_url.'/style.css">', 0);
?>

<div class="lt_basic">
 <h2>
  <a href="<?php echo get_pretty_url($bo_table); ?>"><?php echo $bo_subject ?></a>
  <p>내용을 입력하세요.</p>
  <a href="<?php echo get_pretty_url($bo_table); ?>" class="lt_more"><span class="sound_only"><?php echo $bo_subject ?></span>더보기</a>
 </h2>
 
 <ul>
        <?php for ($i=0; $i<count($list); $i++) { ?>
        <li>
         <div class="lt_basic_cnt border_box">
             <div class="lt_cate">
           <a href="<?php echo get_pretty_url($bo_table); ?>" class="lt_cate_link <?php echo $list[$i]['bo_table'] ?>"><?php echo $bo_subject; ?></a>
       </div>
             <?php
              if ($list[$i]['icon_secret']) echo "<i class=\"fa fa-lock\" aria-hidden=\"true\"></i> ";
  
              echo "<a href=\"".$list[$i]['href']."\" class=\"lt_tit\">";
              if ($list[$i]['is_notice'])
                  echo "<span>".$list[$i]['subject']."</span>";
              else
                  echo $list[$i]['subject'];
     echo "<span class=\"icon\">";
              if ($list[$i]['icon_new']) echo " <span class=\"new_icon\"><b class=\"sound_only\">새글</b>N</span>";
              if ($list[$i]['icon_hot']) echo " <span class=\"heart_icon\"><b class=\"sound_only\">인기글</b>H</span>";
     echo "</span>";
 
             echo "</a>";
             ?>
             <div class="lt_detail">
              <?php echo get_text(cut_str(strip_tags($list[$i]['wr_content']), $content_length), 1); ?>
             </div>
             <div class="lt_info">
              <span><?php echo $list[$i]['name'] ?></span>
     <span class="lt_date"><i class="far fa-clock"></i> <?php echo $list[$i]['datetime'] ?></span>
          </div>
         </div>
        </li>       
 <?php } ?>
    <?php if (count($list) == 0) { //게시물이 없을 때 ?>
    <li class="empty_li">게시물이 없습니다.</li>
    <?php } ?>
    </ul>
</div>