{{if $nproducts}} {{foreach from=$groups item=row}}   {{$row.group_name}}  {{/foreach}} {{/if}}

{{if $nproducts}} {{foreach from=$groups item=row}}
{{$row.group_name}}
{{for $j=0;$j< count($nproducts);$j++}} {{if $nproducts[$j].group_id==$row.group_id}}
{{$nproducts[$j].name}}

{{/if}} {{/for}} {{/foreach}} {{/if}}