<{foreach from=$ptype item=val}>
<{foreach from=$sec_ptype item=value1 key=key1}>
<{if $val.id == $key1}>
<{foreach from=$value1 item=value2}>
<{foreach from=$thr_ptype item=value3 key=key3}>
<{if $value2.id == $key3}>
<{/if}>
<{/foreach}>
<{/foreach}>
<{/if}>
<{/foreach}>
<{/foreach}>