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array-uintersect.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 56509d07ae636f076057f55bbb2572ab7b7a39eb Maintainer: HonestQiao Status: ready -->
<!-- CREDITS: mowangjuanzi -->
<refentry xml:id="function.array-uintersect" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>array_uintersect</refname>
<refpurpose>计算数组的交集，用回调函数比较数据</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>array</type><methodname>array_uintersect</methodname>
<methodparam><type>array</type><parameter>array</parameter></methodparam>
<methodparam rep="repeat"><type>array</type><parameter>arrays</parameter></methodparam>
<methodparam><type>callable</type><parameter>value_compare_func</parameter></methodparam>
</methodsynopsis>
<para>
<function>array_uintersect</function> 返回一个数组，该数组包含了所有在
<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。
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。
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>array</parameter></term>
<listitem>
<para>
第一个数组。
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>arrays</parameter></term>
<listitem>
<para>
要比较的数组。
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>value_compare_func</parameter></term>
<listitem>
&sort.callback.description;
&sort.callback.description.presort;
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
返回一个数组，数组中包含了 <parameter>array</parameter> 中在所有的参数中都存在的值。
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>array_uintersect</function> 示例</title>
<programlisting role="php">
<![CDATA[
<?php
$array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
$array2 = array("a" => "GREEN", "B" => "brown", "yellow", "red");
print_r(array_uintersect($array1, $array2, "strcasecmp"));
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
Array
(
[a] => green
[b] => brown
[0] => red
)
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>array_intersect</function></member>
<member><function>array_intersect_assoc</function></member>
<member><function>array_uintersect_assoc</function></member>
<member><function>array_uintersect_uassoc</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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