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smarty/docs/en/programmers/api-functions/api-register-block.xml
2004-04-13 11:47:32 +00:00

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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision$ -->
<sect1 id="api.register.block">
<title>register_block</title>
<funcsynopsis>
<funcprototype>
<funcdef>void <function>register_block</function></funcdef>
<paramdef>string <parameter>name</parameter></paramdef>
<paramdef>mixed <parameter>impl</parameter></paramdef>
<paramdef>bool <parameter>cacheable</parameter></paramdef>
<paramdef>array or null <parameter>cache_attrs</parameter></paramdef>
</funcprototype>
</funcsynopsis>
<para>
Use this to dynamically register block functions plugins.
Pass in the block function name, followed by the PHP
function callback that implements it.
</para>
<para>
The php-function callback <parameter>impl</parameter> can be either (a) a string
containing the function name or (b) an array of the form
<literal>array(&amp;$object, $method)</literal> with
<literal>&amp;$object</literal> being a reference to an
object and <literal>$method</literal> being a string
containing the mehod-name or (c) an array of the form
<literal>array(&amp;$class, $method)</literal> with
<literal>$class</literal> being a classname and
<literal>$method</literal> being a class method of that
class.
</para>
<para>
<parameter>$cacheable</parameter> and <parameter>$cache_attrs</parameter> can be omitted in most cases. See <link linkend="caching.cacheable">Controlling Cacheability of Plugins' Output</link> on how to use them properly.
</para>
<example>
<title>register_block</title>
<programlisting role="php">
<![CDATA[
<?php
$smarty->register_block("translate", "do_translation");
function do_translation ($params, $content, &$smarty, &$repeat) {
if (isset($content)) {
$lang = $params['lang'];
// do some translation with $content
return $translation;
}
}
?>
{* template *}
{translate lang="br"}
Hello, world!
{/translate}
]]>
</programlisting>
</example>
</sect1>
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