Conditional Tags
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Current revision
The Conditional Tags can be used in your Template files to change what content is displayed and how that content is displayed on a particular page depending on what conditions that page matches. For example, you might want to welcome a logged in site visitor with a nice friendly greeting.
{if $smarty.session.username<>""} Welcome back {$smarty.session.username} {/if}
That may look pretty complex but actually it is very simple once you get your head around. The first portion {if $smarty.session.username<>""} checks to make sure they are logged in and their username is not blank. Next the welcome back portion just prints their name if the first condition is true.