mirror of
https://github.com/php/doc-zh.git
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Dallas Wang
cc964efcd6
git-svn-id: https://svn.php.net/repository/phpdoc/zh/trunk@95704 c90b9560-bf6c-de11-be94-00142212c4b1
104 lines
2.6 KiB
XML
Executable File
104 lines
2.6 KiB
XML
Executable File
<?xml version="1.0" encoding="gb2312"?>
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<!-- $Revision: 1.1 $ -->
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<!-- $Author: dallas $ -->
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<!-- EN-Revision: 1.4 Maintainer: dallas Status: ready -->
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<refentry id="function.sort">
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<refnamediv>
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<refname>sort</refname>
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<refpurpose>对数组排序</refpurpose>
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</refnamediv>
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<refsect1>
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<title>说明</title>
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<methodsynopsis>
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<type>void</type><methodname>sort</methodname>
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<methodparam><type>array</type><parameter>array</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>sort_flags</parameter></methodparam>
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</methodsynopsis>
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<para>
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本函数对数组进行排序。当本函数结束时数组单元将被从最低到最高重新安排。
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<example>
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<title><function>sort</function> 例子</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$fruits = array ("lemon", "orange", "banana", "apple");
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sort ($fruits);
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reset ($fruits);
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while (list ($key, $val) = each ($fruits)) {
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echo "fruits[".$key."] = ".$val."\n";
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}
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?>
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]]>
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</programlisting>
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</example>
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</para>
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<para>
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本例将显示：
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</para>
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<para>
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<screen>
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<![CDATA[
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fruits[0] = apple
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fruits[1] = banana
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fruits[2] = lemon
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fruits[3] = orange
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]]>
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</screen>
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</para>
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<para>
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fruits 被按照字母顺序排序。
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</para>
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<para>
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可选的第二个参数 <parameter>sort_flags</parameter>
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可以用以下值改变排序的行为：
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</para>
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<para>
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排序类型标记：
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<itemizedlist>
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<listitem>
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<simpara>SORT_REGULAR - 正常比较单元</simpara>
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</listitem>
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<listitem>
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<simpara>SORT_NUMERIC - 单元被作为数字来比较</simpara>
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</listitem>
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<listitem>
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<simpara>SORT_STRING - 单元被作为字符串来比较</simpara>
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</listitem>
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</itemizedlist>
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</para>
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<para>
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参见
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<function>arsort</function>，<function>asort</function>，<function>ksort</function>，<function>natsort</function>，<function>natcasesort</function>，<function>rsort</function>，<function>usort</function>，<function>array_multisort</function>
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和 <function>uksort</function>。
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</para>
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<note>
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<para>
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第二个参数是 PHP 4 新加的。
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</para>
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</note>
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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:"../../../../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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