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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.array-reverse" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>array_reverse</refname>
<refpurpose>Return an array with elements in reverse order</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>array</type><methodname>array_reverse</methodname>
<methodparam><type>array</type><parameter>array</parameter></methodparam>
<methodparam choice="opt"><type>bool</type><parameter>preserve_keys</parameter><initializer>&false;</initializer></methodparam>
</methodsynopsis>
<para>
Takes an input <parameter>array</parameter> and returns a new array with
the order of the elements reversed.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>array</parameter></term>
<listitem>
<para>
The input array.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>preserve_keys</parameter></term>
<listitem>
<para>
If set to &true; numeric keys are preserved.
Non-numeric keys are not affected by this setting and will always be preserved.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns the reversed array.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>array_reverse</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$input = array("php", 4.0, array("green", "red"));
$reversed = array_reverse($input);
$preserved = array_reverse($input, true);
print_r($input);
print_r($reversed);
print_r($preserved);
?>
]]>
</programlisting>
&example.outputs;
<screen role="php">
<![CDATA[
Array
(
[0] => php
[1] => 4
[2] => Array
(
[0] => green
[1] => red
)
)
Array
(
[0] => Array
(
[0] => green
[1] => red
)
[1] => 4
[2] => php
)
Array
(
[2] => Array
(
[0] => green
[1] => red
)
[1] => 4
[0] => php
)
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>array_flip</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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