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630ac05213
git-svn-id: https://svn.php.net/repository/phpdoc/zh/trunk@95449 c90b9560-bf6c-de11-be94-00142212c4b1
80 lines
2.1 KiB
XML
Executable File
80 lines
2.1 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: 1.5 Maintainer: dallas Status: ready -->
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<refentry id="function.array-unshift">
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<refnamediv>
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<refname>array_unshift</refname>
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<refpurpose>
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在数组开头插入一个或多个单元
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</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>int</type><methodname>array_unshift</methodname>
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<methodparam><type>array</type><parameter>array</parameter></methodparam>
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<methodparam><type>mixed</type><parameter>var</parameter></methodparam>
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<methodparam choice="opt"><type>mixed</type><parameter>
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...
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</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>array_unshift</function> 将传入的单元插入到
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<parameter>array</parameter> 数组的开头。注意单元是作为整体被插入的，因此传入单元将保持同样的顺序。所有的数值键名将修改为从零开始重新计数，所有的文字键名保持不变。
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</para>
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<para>
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返回 <parameter>array</parameter> 数组新的单元数目。
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</para>
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<para>
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<example>
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<title><function>array_unshift</function> 例子</title>
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<programlisting role="php">
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<![CDATA[
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$queue = array ("orange", "banana");
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array_unshift ($queue, "apple", "raspberry");
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]]>
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</programlisting>
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<para>
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这将使 <varname>$queue</varname> 包含如下单元：
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<screen role="php">
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<![CDATA[
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Array
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(
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[0] => apple
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[1] => raspberry
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[2] => orange
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[3] => banana
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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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</para>
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<para>
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参见 <function>array_shift</function>，<function>array_push</function> 和 <function>array_pop</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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