smarty/docs/en/programmers/api-functions/api-is-cached.xml

<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision$ -->
<refentry id="api.is.cached">
 <refnamediv>
  <refname>is_cached</refname>
  <refpurpose></refpurpose>
 </refnamediv>
 <refsect1>
  <title />
  <methodsynopsis>
   <type>bool</type><methodname>is_cached</methodname>
   <methodparam><type>string</type><parameter>template</parameter></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>cache_id</parameter></methodparam>
  </methodsynopsis>
  <para>
   This returns &true; if there is a valid cache for this template.
   This only works if <link
   linkend="variable.caching">caching</link> is set to true.
  </para>
  <example>
   <title>is_cached</title>
   <programlisting role="php">
<![CDATA[
<?php
$smarty->caching = true;

if(!$smarty->is_cached("index.tpl")) {
// do database calls, assign vars here
}

$smarty->display("index.tpl");
?>
]]>
   </programlisting>
  </example>
  <para>
   You can also pass a cache id as an optional second parameter
   in case you want multiple caches for the given template.
  </para>
  <example>
   <title>is_cached with multiple-cache template</title>
   <programlisting role="php">
<![CDATA[
<?php
$smarty->caching = true;

if(!$smarty->is_cached("index.tpl", "FrontPage")) {
  // do database calls, assign vars here
}

$smarty->display("index.tpl", "FrontPage");
?>
]]>
   </programlisting>
  </example>
 </refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"../../../../manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->