<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="reflectionfunction.invoke" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>ReflectionFunction::invoke</refname>
  <refpurpose>Invokes function</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis role="ReflectionFunction">
   <modifier>public</modifier> <type>mixed</type><methodname>ReflectionFunction::invoke</methodname>
   <methodparam rep="repeat"><type>mixed</type><parameter>args</parameter></methodparam>
  </methodsynopsis>
  <para>
   Invokes a reflected function.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>args</parameter></term>
     <listitem>
      <para>
       The passed in argument list. It accepts a variable number of
       arguments which are passed to the function much like
       <function>call_user_func</function> is.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the result of the invoked function call.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><methodname>ReflectionFunction::invoke</methodname> example</title>
    <programlisting role="php">
<![CDATA[
<?php
function title($title, $name)
{
    return sprintf("%s. %s\r\n", $title, $name);
}

$function = new ReflectionFunction('title');

echo $function->invoke('Dr', 'Phil');
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
Dr. Phil
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  <note>
   <para>
    <methodname>ReflectionFunction::invoke</methodname> cannot be used when reference parameters are expected.
    <methodname>ReflectionFunction::invokeArgs</methodname> has to be used instead (passing references in the argument list).
   </para>
  </note>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><methodname>ReflectionFunction::export</methodname></member>
    <member><link linkend="object.invoke">__invoke()</link></member>
    <member><function>call_user_func</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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