archived-doc-zh/language/predefined/arrayaccess/offsetunset.xml

<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: ed312486fff2251b6625b017df2e8f847f656296 Maintainer: mowangjuanzi Status: ready -->
<!-- CREDITS: mowangjuanzi -->
<refentry xml:id="arrayaccess.offsetunset" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>ArrayAccess::offsetUnset</refname>
  <refpurpose>复位一个偏移位置的值</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis role="ArrayAccess">
   <modifier>public</modifier> <type>void</type><methodname>ArrayAccess::offsetUnset</methodname>
   <methodparam><type>mixed</type><parameter>offset</parameter></methodparam>
  </methodsynopsis>
  <para>
   复位一个偏移位置的值。
  </para>
  <note>
   <para>
    当使用 <link linkend="language.types.typecasting">(unset)</link> 进行类型转换时，该方法不会被调用。
   </para>
  </note>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>offset</parameter></term>
     <listitem>
      <para>
       待复位的偏移位置。
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>

 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.void;
  </para>
 </refsect1>

<!--
 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>ArrayAccess::offsetUnset</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
/* ... */
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
...
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><methodname>Classname::Method</methodname></member>
   </simplelist>
  </para>
 </refsect1>
-->

</refentry>
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