<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.11 $ -->
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<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>
  <title>Description</title>
  <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></methodparam>
  </methodsynopsis>
  <para>
   <function>array_reverse</function> takes input
   <parameter>array</parameter> and returns a new array with the
   order of the elements reversed, preserving the keys if
   <parameter>preserve_keys</parameter> is &true;.
  </para>
  <para>
   <example>
    <title><function>array_reverse</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
$input  = array("php", 4.0, array("green", "red"));
$result = array_reverse($input);
$result_keyed = array_reverse($input, true);
?>
]]>
    </programlisting>
    <para>
     This makes both <varname>$result</varname> and
     <varname>$result_keyed</varname> have the same elements, but
     note the difference between the keys. The printout of
     <varname>$result</varname> and
     <varname>$result_keyed</varname> will be:
    </para>
    <screen role="php">
<![CDATA[
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>
  <note>
   <para>
    The second parameter was added in PHP 4.0.3.
   </para>
  </note>
  <para>
   See also <function>array_flip</function>.
  </para>
 </refsect1>
</refentry>

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