Isto é usado para converter para maiúsculas uma variável.
Example 5.22. upper
index.php: $smarty = new Smarty; $smarty->assign('articleTitle', "If Strike isn't Settled Quickly it may Last a While."); $smarty->display('index.tpl'); index.tpl: {$articleTitle} {$articleTitle|upper} MOSTRA: If Strike isn't Settled Quickly it may Last a While. IF STRIKE ISN'T SETTLED QUICKLY IT MAY LAST A WHILE.
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