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48dfd2c071
git-svn-id: https://svn.php.net/repository/phpdoc/zh/trunk@194858 c90b9560-bf6c-de11-be94-00142212c4b1
81 lines
2.3 KiB
XML
Executable File
81 lines
2.3 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.array-uintersect">
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<refnamediv>
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<refname>array_uintersect</refname>
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<refpurpose>计算数组的交集，用回调函数比较数据</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_uintersect</methodname>
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<methodparam><type>array</type><parameter>array1</parameter></methodparam>
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<methodparam><type>array</type><parameter>array2</parameter></methodparam>
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<methodparam choice="opt"><type>array</type><parameter> ...</parameter></methodparam>
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<methodparam><type>callback</type><parameter>data_compare_func</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>array_uintersect</function> 返回一个数组，该数组包含了所有在
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<parameter>array1</parameter> 中也同时出现在所有其它参数数组中的值。数据比较是用回调函数进行的。
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</para>
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<para>
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<example>
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<title><function>array_uintersect</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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$array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
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$array2 = array("a" => "GREEN", "B" => "brown", "yellow", "red");
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print_r(array_uintersect($array1, $array2, "strcasecmp"));
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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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Array
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(
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[a] => green
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[b] => brown
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[0] => red
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)
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]]>
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</screen>
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</example>
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</para>
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<para>
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此比较是通过用户提供的回调函数来进行的。如果认为第一个参数小于，等于，或大于第二个参数时必须分别返回一个小于零，等于零，或大于零的整数。
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</para>
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<para>
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参见
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<function>array_intersect</function>，<function>array_uintersect_assoc</function>，<function>array_intersect_uassoc</function>
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和
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<function>array_uintersect_uassoc</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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