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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.rename">
<refnamediv>
<refname>rename</refname>
<refpurpose>Renames a file or directory</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>rename</methodname>
<methodparam><type>string</type><parameter>from</parameter></methodparam>
<methodparam><type>string</type><parameter>to</parameter></methodparam>
<methodparam choice="opt"><type class="union"><type>resource</type><type>null</type></type><parameter>context</parameter><initializer>&null;</initializer></methodparam>
</methodsynopsis>
<para>
Attempts to rename <parameter>from</parameter> to
<parameter>to</parameter>, moving it between directories if necessary.
If renaming a file and <parameter>to</parameter> exists,
it will be overwritten. If renaming a directory and
<parameter>to</parameter> exists,
this function will emit a warning.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>from</parameter></term>
<listitem>
<para>
The old name.
</para>
<note>
<para>
The wrapper used in <parameter>from</parameter>
<emphasis>must</emphasis> match the wrapper used in
<parameter>to</parameter>.
</para>
</note>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>to</parameter></term>
<listitem>
<para>
The new name.
<note>
<simpara>
On Windows, if <parameter>to</parameter> already exists, it must be writable.
Otherwise <function>rename</function> fails and issues <constant>E_WARNING</constant>.
</simpara>
</note>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>context</parameter></term>
<listitem>
¬e.context-support;
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Example with <function>rename</function></title>
<programlisting role="php">
<![CDATA[
<?php
rename("/tmp/tmp_file.txt", "/home/user/login/docs/my_file.txt");
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>copy</function></member>
<member><function>unlink</function></member>
<member><function>move_uploaded_file</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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