php-doc-en/reference/runkit7/functions/runkit7-method-redefine.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->

<refentry xml:id="function.runkit7-method-redefine" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>runkit7_method_redefine</refname>
  <refpurpose>Dynamically changes the code of the given method</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>runkit7_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>RUNKIT7_ACC_PUBLIC</initializer></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>doc_comment</parameter><initializer>&null;</initializer></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>return_type</parameter></methodparam>
   <methodparam choice="opt"><type>bool</type><parameter>is_strict</parameter></methodparam>
  </methodsynopsis>
  <methodsynopsis>
   <type>bool</type><methodname>runkit7_method_redefine</methodname>
   <methodparam><type>string</type><parameter>classname</parameter></methodparam>
   <methodparam><type>string</type><parameter>methodname</parameter></methodparam>
   <methodparam><type>Closure</type><parameter>closure</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>flags</parameter><initializer>RUNKIT7_ACC_PUBLIC</initializer></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>doc_comment</parameter><initializer>&null;</initializer></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>return_type</parameter></methodparam>
   <methodparam choice="opt"><type>bool</type><parameter>is_strict</parameter></methodparam>
  </methodsynopsis>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <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>closure</parameter></term>
     <listitem>
      <para>
       A <classname>closure</classname> that defines the method.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>flags</parameter></term>
     <listitem>
      <para>
       The redefined method can be
       <constant>RUNKIT7_ACC_PUBLIC</constant>,
       <constant>RUNKIT7_ACC_PROTECTED</constant> or
       <constant>RUNKIT7_ACC_PRIVATE</constant> optionally combined via bitwise OR with
       <constant>RUNKIT7_ACC_STATIC</constant>
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>doc_comment</parameter></term>
     <listitem>
      <para>
       The doc comment of the method.
      </para>
     </listitem>
    </varlistentry>
   <varlistentry>
    <term><parameter>return_type</parameter></term>
    <listitem>
     <para>
      The return type of the method.
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>is_strict</parameter></term>
    <listitem>
     <para>
      Whether the method behaves as if it was declared in a file with <literal>strict_types=1</literal>.
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>runkit7_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
runkit7_method_redefine(
    'Example',
    'foo',
    '',
    'return "bar!\n";',
    RUNKIT7_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>runkit7_method_add</function></member>
    <member><function>runkit7_method_copy</function></member>
    <member><function>runkit7_method_remove</function></member>
    <member><function>runkit7_method_rename</function></member>
    <member><function>runkit7_function_redefine</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->