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uksort.xml
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uksort.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 2226ad08fd93e3979efbba47c5ae3545eec97d25 Maintainer: HonestQiao Status: ready -->
<!-- CREDITS: mowangjuanzi -->
<refentry xml:id="function.uksort" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>uksort</refname>
<refpurpose>使用用户自定义的比较函数对数组中的键名进行排序</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>true</type><methodname>uksort</methodname>
<methodparam><type>array</type><parameter role="reference">array</parameter></methodparam>
<methodparam><type>callable</type><parameter>callback</parameter></methodparam>
</methodsynopsis>
<para>
使用用户自定义的比较函数对 <parameter>array</parameter> 本身进行按键(key)排序以确定顺序。
</para>
¬e.sort-unstable;
¬e.reset-index;
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>array</parameter></term>
<listitem>
<para>
输入的数组。
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>callback</parameter></term>
<listitem>
&sort.callback.description;
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.true.always;
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
&return.type.true;
&array.changelog.by-ref;
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>uksort</function> 示例</title>
<programlisting role="php">
<![CDATA[
<?php
function cmp($a, $b)
{
$a = preg_replace('@^(a|an|the) @', '', $a);
$b = preg_replace('@^(a|an|the) @', '', $b);
return strcasecmp($a, $b);
}
$a = array("John" => 1, "the Earth" => 2, "an apple" => 3, "a banana" => 4);
uksort($a, "cmp");
foreach ($a as $key => $value) {
echo "$key: $value\n";
}
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
an apple: 3
a banana: 4
the Earth: 2
John: 1
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<simplelist>
<member><function>usort</function></member>
<member><function>uasort</function></member>
<member>&seealso.array.sorting;</member>
</simplelist>
</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
-->