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

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<refentry id="api.assign.by.ref">
 <refnamediv>
  <refname>assign_by_ref</refname>
  <refpurpose></refpurpose>
 </refnamediv>
 <refsect1>
  <title />
  <methodsynopsis>
   <type>void</type><methodname>assign_by_ref</methodname>
   <methodparam><type>string</type><parameter>varname</parameter></methodparam>
   <methodparam><type>mixed</type><parameter>var</parameter></methodparam>
  </methodsynopsis>
  <para>
   This is used to assign values to the templates by reference instead of
   making a copy. See the PHP manual on variable referencing for an explanation.
  </para>
  <note>
   <title>Technical Note</title>
   <para>
    This is used to assign values to the templates by reference.
    If you assign a variable by reference then change its
    value, the assigned value sees the change as well. For objects, 
    assign_by_ref() also avoids an in-memory copy of the assigned object.
    See the PHP manual on variable referencing for an in-depth
    explanation.
   </para>
  </note>
  <example>
   <title>assign_by_ref</title>
   <programlisting role="php">
<![CDATA[
<?php
// passing name/value pairs
$smarty->assign_by_ref('Name', $myname);
$smarty->assign_by_ref('Address', $address);
?>
]]>
   </programlisting>
  </example>
 </refsect1>
</refentry>
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