smarty/docs/en/programmers/api-functions/api-append-by-ref.xml

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<refentry id="api.append.by.ref">
 <refnamediv>
  <refname>append_by_ref</refname>
  <refpurpose></refpurpose>
 </refnamediv>
 <refsect1>
  <title />
  <methodsynopsis>
   <type>void</type><methodname>append_by_ref</methodname>
   <methodparam><type>string</type><parameter>varname</parameter></methodparam>
   <methodparam><type>mixed</type><parameter>var</parameter></methodparam>
   <methodparam choice="opt"><type>bool</type><parameter>merge</parameter></methodparam>
  </methodsynopsis>
  <para>
   This is used to append values to the templates by reference.
   If you append a variable by reference then change its
   value, the appended value sees the change as well. For objects, 
   append_by_ref() also avoids an in-memory copy of the appended object.
   See the PHP manual on variable referencing for an in-depth
   explanation. If you pass the optional third parameter of true,
   the value will be merged with the current array instead of appended.
  </para>
  &note.parameter.merge;
  <example>
   <title>append_by_ref</title>
   <programlisting role="php">
<![CDATA[
<?php
// appending name/value pairs
$smarty->append_by_ref("Name", $myname);
$smarty->append_by_ref("Address", $address);
?>
]]>
   </programlisting>
  </example>
 </refsect1>
</refentry>
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