서브 메뉴에 추가할수 있는 방법이 있을까요?? 채택완료

</strong></p>

<p>        <nav class="gnb"></p>

<p>            <ul></p>

<p>                <?php</p>

<p>                $menu_datas = get_menu_db(0, true);</p>

<p>                $cur_url = $_SERVER['REQUEST_URI'];          </p>

<p>                $gnb_zindex = 999; // gnb_1dli z-index 값 설정용</p>

<p>                $i = 0;         </p>

<p>                foreach( $menu_datas as $row ){</p>

<p>                ?></p>

<p>                </p>

<p>                <li class="depth1 <?php echo ($row['me_link']==$cur_url)?'on':''; ?>"></p>

<p>                    <a href="<?php echo $row['me_link']; ?>" target="_<?php echo $row['me_target']; ?>" class="gnb_al_a"><?php echo $row['me_name'] ?></a></p>

<p>                    <i class="fa fa-chevron-down mobile_only" aria-hidden="true"></i></p>

<p>                    <?php</p>

<p>                    $k = 0;</p>

<p>                    foreach( (array) $row['sub'] as $row2 ){</p>

<p>                        if($k == 0)</p>

<p>                            echo '<ul>'.PHP_EOL;</p>

<p>                    ?></p>

<p>                        <li class="depth2"><a href="<?php echo $row2['me_link']; ?>" target="_<?php echo $row2['me_target']; ?>"><?php echo $row2['me_name'] ?></a></li></p>

<p>                    <?php</p>

<p>                    $k++;</p>

<p>                    }   //end foreach $row2</p>

<p> </p>

<p>                    if($k > 0)</p>

<p>                        echo '</ul>'.PHP_EOL;</p>

<p>                    ?></p>

<p>                </li>   </p>

<p>                <?php } ?>      </p>

<p>            </ul></p>

<p>            <ul class="login_info"></p>

<p>                <?php if ($is_member) {  ?></p>

<p>                <!-- <li><a href="<?php echo G5_BBS_URL ?>/member_confirm.php?url=/register_form.php">My page</a></li> --></p>

<p>                <li class="depth3"><a href="<?php echo G5_BBS_URL ?>/logout.php">로그아웃</a></li>              </p>

<p>                <?php } else {  ?>              </p>

<p>                <li class="depth3"><a href="<?php echo G5_BBS_URL ?>/login.php">로그인</a></li></p>

<p>                <li class="depth3"><a href="<?php echo G5_BBS_URL ?>/register.php">회원가입</a></li></p>

<p>                <?php }  ?></p>

<p>                <?php if ($is_admin) {  ?></p>

<p>                <li class="depth3 admin"><a href="<?php echo correct_goto_url(G5_ADMIN_URL); ?>" target="_blank">관리자</a></li></p>

<p>                <?php }  ?></p>

<p>            </ul></p>

<p>        </nav></p>

<p> </p>

<p> </p>

<p><strong>