Si usa per trasformare una variabile in lettere minuscole.
Example 5.12. lower
<?php
$smarty = new Smarty;
$smarty->assign('articleTitle', 'Two Convicts Evade Noose, Jury Hung.');
$smarty->display('index.tpl');
?>
Dove index.tpl è:
{$articleTitle}
{$articleTitle|lower}
Questo stamperà:
Two Convicts Evade Noose, Jury Hung. two convicts evade noose, jury hung.
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