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<refentry xml:id="function.classkit-method-redefine" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>classkit_method_redefine</refname>
  <refpurpose>Dynamically changes the code of the given method</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>classkit_method_redefine</methodname>
   <methodparam><type>string</type><parameter>classname</parameter></methodparam>
   <methodparam><type>string</type><parameter>methodname</parameter></methodparam>
   <methodparam><type>string</type><parameter>args</parameter></methodparam>
   <methodparam><type>string</type><parameter>code</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>flags</parameter><initializer>CLASSKIT_ACC_PUBLIC</initializer></methodparam>
  </methodsynopsis>
  &note.classkit.selfmanipulation;
  &warn.experimental.func;
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>classname</parameter></term>
     <listitem>
      <para>
       The class in which to redefine the method
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>methodname</parameter></term>
     <listitem>
      <para>
       The name of the method to redefine
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>args</parameter></term>
     <listitem>
      <para>
       Comma-delimited list of arguments for the redefined method
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>code</parameter></term>
     <listitem>
      <para>
       The new code to be evaluated when <parameter>methodname</parameter>
       is called
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>flags</parameter></term>
     <listitem>
      <para>
       The redefined method can be
       <constant>CLASSKIT_ACC_PUBLIC</constant>,
       <constant>CLASSKIT_ACC_PROTECTED</constant> or
       <constant>CLASSKIT_ACC_PRIVATE</constant>
      </para>
      <note>
       <para>
        This parameter is only used as of PHP 5, because, prior to this,
        all methods were public.
       </para>
      </note>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
  </para>
 </refsect1>
 <!-- No changelog: it's only in PECL. -->
 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>classkit_method_redefine</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
class Example {
    function foo() {
        return "foo!\n";
    }
}

// create an Example object
$e = new Example();

// output Example::foo() (before redefine)
echo "Before: " . $e->foo();

// Redefine the 'foo' method
classkit_method_redefine(
    'Example',
    'foo',
    '',
    'return "bar!\n";',
    CLASSKIT_ACC_PUBLIC
);

// output Example::foo() (after redefine)
echo "After: " . $e->foo();
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
Before: foo!
After: bar!
]]>
    </screen>
   </example>
  </para>
 </refsect1>
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>classkit_method_add</function></member>
    <member><function>classkit_method_copy</function></member>
    <member><function>classkit_method_remove</function></member>
    <member><function>classkit_method_rename</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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