How can I increment a Smarty variable?

Question

I am not usually a Smarty guy, so I\'m a bit stuck.

I want to echo the index of an array, but I want to increment it each time I echo it.

This is what I have...<

Answer 1

{foreach from=$foo item=bar name=humbug}  
{$smarty.foreach.humbug.index}
{$smarty.foreach.humbug.iteration}
{/foreach}

or

{foreach from=$foo item=bar name=berlin}  
{$smarty.foreach.berlin.index}
{$smarty.foreach.berlin.iteration}
{/foreach}