How to insert a subheader between groups of records Version 5.0 Build

in a php project 4.2 that i have converted to 5.0 my groups are no longer working as i cannot find the foreach statement as explained in tips and tricks. link http://www.asprunner.com/forums/index.php?...1&hl=groups it states
Find the following code snippet
<!--{foreach from=$rowinfo item=row}-->
and insert the following after this snippet
{if $row.showheader}

<tr><td colspan=10>

&nbsp;&nbsp;&nbsp;&nbsp;

<h1>{$row.header}</h1>

</td></tr>

{/if}