php-doc-en/reference/array/functions/rsort.xml
Daniel Egeberg 96c9d88bad Converted to utf-8
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@297028 c90b9560-bf6c-de11-be94-00142212c4b1
2010-03-28 22:10:10 +00:00

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XML

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.rsort" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>rsort</refname>
<refpurpose>Sort an array in reverse order</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>rsort</methodname>
<methodparam><type>array</type><parameter role="reference">array</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>sort_flags</parameter><initializer>SORT_REGULAR</initializer></methodparam>
</methodsynopsis>
<para>
This function sorts an array in reverse order (highest to lowest).
</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>sort_flags</parameter></term>
<listitem>
<para>
You may modify the behavior of the sort using the optional
parameter <parameter>sort_flags</parameter>, for details see
<function>sort</function>.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>rsort</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$fruits = array("lemon", "orange", "banana", "apple");
rsort($fruits);
foreach ($fruits as $key => $val) {
echo "$key = $val\n";
}
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
0 = orange
1 = lemon
2 = banana
3 = apple
]]>
</screen>
<para>
The fruits have been sorted in reverse alphabetical order.
</para>
</example>
</para>
</refsect1>
<refsect1 role="notes">
&reftitle.notes;
&note.no-key-association;
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>arsort</function></member>
<member><function>krsort</function></member>
<member>&seealso.array.sorting;</member>
</simplelist>
</para>
</refsect1>
</refentry>
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