mirror of
https://github.com/php/doc-zh.git
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64071f2fba
git-svn-id: https://svn.php.net/repository/phpdoc/zh/trunk@95699 c90b9560-bf6c-de11-be94-00142212c4b1
106 lines
2.4 KiB
XML
Executable File
106 lines
2.4 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.array-chunk">
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<refnamediv>
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<refname>array_chunk</refname>
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<refpurpose>将一个数组分割成多个</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>array</type><methodname>array_chunk</methodname>
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<methodparam><type>array</type><parameter>input</parameter></methodparam>
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<methodparam><type>int</type><parameter>size</parameter></methodparam>
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<methodparam choice="opt"><type>bool</type><parameter>preserve_keys</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>array_chunk</function> 将一个数组分割成多个数组，其中每个数组的单元数目由
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<parameter>size</parameter> 决定。最后一个数组的单元数目可能会少几个。得到的数组是一个多维数组中的单元，其索引从零开始。
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</para>
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<para>
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将可选参数 <parameter>preserve_keys</parameter> 设为 &true;，可以使 PHP
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保留输入数组中原来的键名。如果你指定了 &false;，那每个结果数组将用从零开始的新数字索引。默认值是 &false;。
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</para>
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<example>
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<title><function>array_chunk</function> 例子</title>
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<programlisting role="php">
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<![CDATA[
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$input_array = array('a', 'b', 'c', 'd', 'e');
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print_r(array_chunk($input_array, 2));
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print_r(array_chunk($input_array, 2, TRUE));
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]]>
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</programlisting>
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<para>
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以上程序输出为：
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<screen>
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<![CDATA[
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Array
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(
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[0] => Array
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(
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[0] => a
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[1] => b
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)
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[1] => Array
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(
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[0] => c
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[1] => d
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)
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[2] => Array
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(
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[0] => e
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)
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)
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Array
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(
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[0] => Array
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(
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[0] => a
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[1] => b
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)
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[1] => Array
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(
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[2] => c
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[3] => d
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)
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[2] => Array
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(
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[4] => e
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)
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)
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]]>
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</screen>
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</para>
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</example>
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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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