smarty/docs/en/programmers/api-functions/api-fetch.xml

<?xml version="1.0" encoding="iso-8859-1"?>
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<refentry id="api.fetch">
 <refnamediv>
  <refname>fetch</refname>
  <refpurpose></refpurpose>
 </refnamediv>
 <refsect1>
  <title />
  <methodsynopsis>
   <type>string</type><methodname>fetch</methodname>
   <methodparam><type>string</type><parameter>template</parameter></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>cache_id</parameter></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>compile_id</parameter></methodparam>
  </methodsynopsis>
  <para>
   This returns the template output instead of displaying it.
   Supply a valid <link
   linkend="template.resources">template resource</link>
   type and path. As an optional second parameter, you can pass a
   cache id. See the <link linkend="caching">caching
   section</link> for more information.
  </para>
  &parameter.compileid;
  <para>
   <example>
    <title>fetch</title>
    <programlisting role="php">
<![CDATA[
<?php
include("Smarty.class.php");
$smarty = new Smarty;

$smarty->caching = true;

// only do db calls if cache doesn't exist
if(!$smarty->is_cached("index.tpl")) {

  // dummy up some data
  $address = "245 N 50th";
  $db_data = array(
               "City" => "Lincoln",
               "State" => "Nebraska",
               "Zip" => "68502"
             );

  $smarty->assign("Name","Fred");
  $smarty->assign("Address",$address);
  $smarty->assign($db_data);

}

// capture the output
$output = $smarty->fetch("index.tpl");

// do something with $output here

echo $output;
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>
</refentry>
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