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Postfiltri

I postfiltri sui template sono funzioni PHP che vengono eseguite sui template dopo la compilazione. I postfiltri possono essere registrati oppure caricati dalla directory plugins con la funzione load_filter() o impostando la variabile $autoload_filters. Smarty passerà il codice del template compilato come primo parametro, e si aspetterà che la funzione restituisca il template risultante.

Example 15.3. uso di un postfiltro


<?php
// mettiamo questo nell'applicazione
function add_header_comment($tpl_source, &$smarty)
{
    return "<?php echo \"<!-- Created by Smarty! -->\n\"; ?>\n".$tpl_source;
}

// registriamo il postfiltro
$smarty->register_postfilter("add_header_comment");
$smarty->display("index.tpl");
?>

  

Questo farà sì che il template compilato index.tpl appaia così:


<!-- Created by Smarty! -->
{* resto del template... *}

  

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