{maccms:type ids="1,2,3,4" order="asc" by="sort"}

{$vo.type_name}

{maccms:foreach name=":explode(',',$vo.type_extend.class)" id="vo1" key="key1"}{if condition="$key1 lt 18"} {$vo1} {/if}{/maccms:foreach}

{/maccms:type}