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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 297028 $ -->
<refentry xml:id="function.array-uintersect-assoc" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>array_uintersect_assoc</refname>
<refpurpose>Computes the intersection of arrays with additional index check, compares data by a callback function</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>array</type><methodname>array_uintersect_assoc</methodname>
<methodparam><type>array</type><parameter>array1</parameter></methodparam>
<methodparam><type>array</type><parameter>array2</parameter></methodparam>
<methodparam choice="opt"><type>array</type><parameter> ...</parameter></methodparam>
<methodparam><type>callback</type><parameter>data_compare_func</parameter></methodparam>
</methodsynopsis>
<para>
Computes the intersection of arrays with additional index check, compares
data by a callback function.
</para>
<para>
Note that the keys are used in the comparison unlike in
<function>array_uintersect</function>.
The data is compared by using a callback function.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>array1</parameter></term>
<listitem>
<para>
The first array.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>array2</parameter></term>
<listitem>
<para>
The second array.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>data_compare_func</parameter></term>
<listitem>
<para>
For comparison is used the user supplied callback function.
It must return an integer less than, equal
to, or greater than zero if the first argument is considered to
be respectively less than, equal to, or greater than the
second.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns an array containing all the values of
<parameter>array1</parameter> that are present in all the arguments.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>array_uintersect_assoc</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
$array2 = array("a" => "GREEN", "B" => "brown", "yellow", "red");
print_r(array_uintersect_assoc($array1, $array2, "strcasecmp"));
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
Array
(
[a] => green
)
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>array_uintersect</function></member>
<member><function>array_intersect_assoc</function></member>
<member><function>array_intersect_uassoc</function></member>
<member><function>array_uintersect_uassoc</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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