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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.1 $ -->
<refentry id="function.runkit-method-redefine">
<refnamediv>
<refname>runkit_method_redefine</refname>
<refpurpose>Dynamically changes the code of the given method</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>runkit_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></methodparam>
</methodsynopsis>
¬e.runkit.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>RUNKIT_ACC_PUBLIC</constant>,
<constant>RUNKIT_ACC_PROTECTED</constant> or
<constant>RUNKIT_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>runkit_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
runkit_method_redefine(
'Example',
'foo',
'',
'return "bar!\n";',
RUNKIT_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>runkit_method_add</function></member>
<member><function>runkit_method_copy</function></member>
<member><function>runkit_method_remove</function></member>
<member><function>runkit_method_rename</function></member>
<member><function>runkit_function_redefine</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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sgml-always-quote-attributes:t
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sgml-parent-document:nil
sgml-default-dtd-file:"../../../../manual.ced"
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-->
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