mirror of
https://github.com/php/doc-zh.git
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139 lines
3.1 KiB
XML
Executable File
139 lines
3.1 KiB
XML
Executable File
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 2226ad08fd93e3979efbba47c5ae3545eec97d25 Maintainer: HonestQiao Status: ready -->
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<!-- CREDITS: mowangjuanzi -->
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<refentry xml:id="function.uksort" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>uksort</refname>
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<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>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>true</type><methodname>uksort</methodname>
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<methodparam><type>array</type><parameter role="reference">array</parameter></methodparam>
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<methodparam><type>callable</type><parameter>callback</parameter></methodparam>
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</methodsynopsis>
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<para>
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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。
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</para>
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¬e.sort-unstable;
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¬e.reset-index;
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>array</parameter></term>
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<listitem>
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<para>
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输入的数组。
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>callback</parameter></term>
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<listitem>
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&sort.callback.description;
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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&return.true.always;
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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&return.type.true;
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&array.changelog.by-ref;
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</tbody>
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</tgroup>
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</informaltable>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title><function>uksort</function> 示例</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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function cmp($a, $b)
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{
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$a = preg_replace('@^(a|an|the) @', '', $a);
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$b = preg_replace('@^(a|an|the) @', '', $b);
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return strcasecmp($a, $b);
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}
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$a = array("John" => 1, "the Earth" => 2, "an apple" => 3, "a banana" => 4);
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uksort($a, "cmp");
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foreach ($a as $key => $value) {
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echo "$key: $value\n";
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}
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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an apple: 3
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a banana: 4
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the Earth: 2
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John: 1
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]]>
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</screen>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<simplelist>
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<member><function>usort</function></member>
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<member><function>uasort</function></member>
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<member>&seealso.array.sorting;</member>
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</simplelist>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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