mirror of
https://github.com/smarty-php/smarty.git
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73 lines
1.8 KiB
XML
73 lines
1.8 KiB
XML
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision$ -->
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<sect1 id="api.is.cached">
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<title>is_cached</title>
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<funcsynopsis>
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<funcprototype>
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<funcdef>boolean <function>is_cached</function></funcdef>
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<paramdef>string <parameter>template</parameter></paramdef>
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<paramdef>[string <parameter>cache_id</parameter>]</paramdef>
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</funcprototype>
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</funcsynopsis>
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<para>
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This returns true if there is a valid cache for this template.
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This only works if <link
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linkend="variable.caching">caching</link> is set to true.
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</para>
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<example>
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<title>is_cached</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$smarty->caching = true;
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if(!$smarty->is_cached("index.tpl")) {
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// do database calls, assign vars here
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}
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$smarty->display("index.tpl");
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?>
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]]>
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</programlisting>
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</example>
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<para>
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You can also pass a cache id as an optional second parameter
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in case you want multiple caches for the given template.
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</para>
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<example>
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<title>is_cached with multiple-cache template</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$smarty->caching = true;
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if(!$smarty->is_cached("index.tpl","FrontPage")) {
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// do database calls, assign vars here
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}
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$smarty->display("index.tpl","FrontPage");
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?>
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]]>
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</programlisting>
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</example>
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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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