Меню с веткой

{if !empty($menu)}
<nav class="menu-left-wrap">
    <ul class="menu-left menu-default">
        {foreach from=$menu item=e key=k}

            {if $k > 0}
                {if $e._level > $prev_level}
                        <ul>
                    {else}
                        </li>
                    {section name="close_tags" start=`$e._level` loop=`$prev_level`}
                            </ul>
                        </li>
                    {/section}
                {/if}
            {/if}

            {if $e._level==1}
                <li class="{if $e._right -  $e._left > 1}has{/if}{if $e.menu_id==$page.menu_id && $e._left<=$page._left && $e._right>=$page._right} opened{/if}"><a href="{if $e.page_id==$site.page_id}/{else}{$e.url}{/if}"{if $e.blank} target="_blank"{/if}>{$e.name}</a>
            {else}
                <li class="{if $e._right -  $e._left > 1}has{/if}{if $e.menu_id==$page.menu_id && $e._left<=$page._left && $e._right>=$page._right} opened{/if}"><a href="{if $e.page_id==$site.page_id}/{else}{$e.url}{/if}"{if $e.blank} target="_blank"{/if}>{$e.name}</a>
            {/if}
            {assign var="prev_level" value=`$e._level`}

        {/foreach}
        </li>
    </ul>
    {section name="close_tags" start=1 loop=`$prev_level`}
        </li>
    </ul>
    {/section}
</nav>
{/if}