mirror of
https://github.com/php/doc-zh.git
synced 2026-04-28 18:53:12 +02:00
Dallas Wang
64071f2fba
git-svn-id: https://svn.php.net/repository/phpdoc/zh/trunk@95699 c90b9560-bf6c-de11-be94-00142212c4b1
76 lines
2.0 KiB
XML
Executable File
76 lines
2.0 KiB
XML
Executable File
<?xml version="1.0" encoding="gb2312"?>
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<!-- $Revision: 1.2 $ -->
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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.asort">
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<refnamediv>
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<refname>asort</refname>
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<refpurpose>对数组进行排序并保持索引关系</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>asort</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，数组的索引保持和单元的关联。主要用于对那些单元顺序很重要的结合数组进行排序。
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</para>
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<example>
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<title><function>asort</function> 例子</title>
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<programlisting role="php">
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<![CDATA[
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$fruits = array ("d"=>"lemon", "a"=>"orange", "b"=>"banana", "c"=>"apple");
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asort ($fruits);
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reset ($fruits);
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while (list ($key, $val) = each ($fruits)) {
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echo "$key = $val\n";
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}
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]]>
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</programlisting>
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<para>
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本例显示为：
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<screen>
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<![CDATA[
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c = apple
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b = banana
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d = lemon
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a = orange
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]]>
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</screen>
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</para>
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</example>
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<para>
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fruits 被按照字母顺序排序，并且单元的索引关系不变。
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</para>
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<para>
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可以用可选的参数 <parameter>sort_flags</parameter> 改变排序的行为，详情见 <function>sort</function>。
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</para>
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<para>
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参见 <function>arsort</function>，<function>rsort</function>，<function>ksort</function> 和 <function>sort</function>。
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</para>
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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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