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								<?xml version="1.0" encoding="iso-8859-1"?>
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								<!-- $Revision$ -->
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								<!-- EN-Revision: 1.2 Maintainer: yannick Status: ready -->
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								<sect1 id="plugins.functions">
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								 <title>Les fonctions de templates</title>
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								 <funcsynopsis>
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								  <funcprototype>
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								   <funcdef>void <function>smarty_function_<replaceable>name</replaceable></function></funcdef>
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								   <paramdef>array <parameter>$params</parameter></paramdef>
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								   <paramdef>object <parameter>&$smarty</parameter></paramdef>
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								  </funcprototype>
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								 </funcsynopsis>
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								 <para>
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								  Tous les attributs pass<73>s aux fonctions de template <20> partir du template
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								  sont contenus dans le tableau associatif <parameter>$params</parameter>.
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								 </para>
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								 <para>
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								  Le retour de la fonction sera substitu<74>e <20> la balise de fonction
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								  du template (fonction <function>fetch</function> par exemple). Sinon,
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								  la fonction peut simplement accomplir une autre t<>che sans sortie
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								  (la fonction <function>assign</function> par exemple).
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								 </para>
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								 <para>
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								  Si la fonction a besoin d'assigner des variables aux templates ou d'utiliser
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								  d'autres fonctionnalit<69>s fournies par Smarty, elle peut recevoir un
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								  objet <parameter>$smarty</parameter> pour cel<65>.
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								 </para>
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								 <para>
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								  R<>f<EFBFBD>rez-vous aussi <20> :
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								  <link linkend="api.register.function">register_function()</link>,
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								  <link linkend="api.unregister.function">unregister_function()</link>.
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								 </para>
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								 <para>
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								  <example>
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								   <title>Fonction de plugin avec sortie</title>
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								   <programlisting role="php">
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								<![CDATA[
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								<?php
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								/*
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								 * Smarty plugin
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								 * -------------------------------------------------------------
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								 * Fichier :  function.eightball.php
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								 * Type :     fonction
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								 * Nom :      eightball
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								 * R<>le :     renvoie une phrase magique au hasard
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								 * -------------------------------------------------------------
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								 */
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								function smarty_function_eightball($params, &$smarty)
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								{
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								    $answers = array('Yes',
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								                     'No',
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								                     'No way',
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								                     'Outlook not so good',
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								                     'Ask again soon',
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								                     'Maybe in your reality');
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								    $result = array_rand($answers);
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								    return $answers[$result];
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								}
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								?>
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								]]>
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								   </programlisting>
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								  </example>
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								 </para>
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								 <para>
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								  peut <20>tre utilis<69>e dans le template de la fa<66>on suivante :
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								 </para>
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								 <programlisting>
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								Question: Will we ever have time travel?
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								Answer: {eightball}.
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								 </programlisting>
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								 <para>
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								  <example>
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								   <title>Fonction de plugin sans sortie</title>
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								   <programlisting role="php">
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								<![CDATA[
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								<?php
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								/*
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								 * Smarty plugin
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								 * -------------------------------------------------------------
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								 * Fichier :  function.assign.php
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								 * Type :     fonction
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								 * Nom :      assign
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								 * Purpose :  assigne une valeur a une variable de template
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								 * -------------------------------------------------------------
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								 */
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								function smarty_function_assign($params, &$smarty)
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								{
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								    extract($params);
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								    if (empty($var)) {
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								        $smarty->trigger_error("assign: missing 'var' parameter");
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								        return;
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								    }
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								    if (!in_array('value', array_keys($params))) {
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								        $smarty->trigger_error("assign: missing 'value' parameter");
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								        return;
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								    }
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								    $smarty->assign($var, $value);
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								}
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								?>
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								]]>
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								   </programlisting>
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								  </example>
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								 </para>
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								</sect1>
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								 <!-- Keep this comment at the end of the file
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								 Local variables:
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								 mode: sgml
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								 sgml-omittag:t
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								 sgml-shorttag:t
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								 sgml-minimize-attributes:nil
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								 sgml-always-quote-attributes:t
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								 sgml-indent-step:1
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								 sgml-indent-data:t
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								 indent-tabs-mode:nil
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								 sgml-parent-document:nil
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								 sgml-default-dtd-file:"../../../../manual.ced"
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								 sgml-exposed-tags:nil
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								 sgml-local-catalogs:nil
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								 sgml-local-ecat-files:nil
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								 End:
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								 vim600: syn=xml fen fdm=syntax fdl=2 si
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								 vim: et tw=78 syn=sgml
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								 vi: ts=1 sw=1
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								 -->
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