archived-doc-zh/reference/array/functions/array-intersect-uassoc.xml

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<refentry xml:id="function.array-intersect-uassoc" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>array_intersect_uassoc</refname>
  <refpurpose>带索引检查计算数组的交集，用回调函数比较索引</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>array</type><methodname>array_intersect_uassoc</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>key_compare_func</parameter></methodparam>
  </methodsynopsis>
  <para>
   <function>array_intersect_uassoc</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。注意和
   <function>array_intersect</function> 不同的是键名也用于比较。
  </para>
  <para>
   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>
  <para>
   <example>
    <title><function>array_intersect_uassoc</function> 例子</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_intersect_uassoc($array1, $array2, "strcasecmp"));
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
Array
(
    [b] => brown
)
]]>
    </screen>
   </example>
  </para>
  <para>
   参见 <function>array_intersect</function>，<function>array_intersect_assoc</function>，<function>array_uintersect_assoc</function>，<function>array_uintersect_uassoc</function>，<function>array_intersect_key</function>
   和
   <function>array_intersect_ukey</function>。
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>array1</parameter></term>
     <listitem>
      <para>
       Initial array for comparison of the arrays.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>array2</parameter></term>
     <listitem>
      <para>
       First array to compare keys against.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>array</parameter></term>
     <listitem>
      <para>
       Variable list of array arguments to compare values against.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>key_compare_func</parameter></term>
     <listitem>
      <para>
       &return.callbacksort;
      </para>
      &callback.cmp;
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the values of <parameter>array1</parameter> whose values exist
   in all of the arguments.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>array_intersect_uassoc</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_intersect_uassoc($array1, $array2, "strcasecmp"));
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
Array
(
    [b] => brown
)
]]>
    </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>
    <member><function>array_intersect_key</function></member>
    <member><function>array_intersect_ukey</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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