{if !empty($fields)}{foreach $fields as $v}
{switch $v.type} {case 1} {/case} {case 2}
{if !empty($v.options)} {foreach $v.options as $kk=>$vv} {/foreach} {/if}
{/case} {case 3}
{if !empty($v.options)} {foreach $v.options as $kk=>$vv} {/foreach} {/if}
{/case} {case 4} {/case} {default /}
{if $v.unit}{$v.unit}{/if}
{/switch}
{/foreach}{/if}