<?php
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include_once dirname(__FILE__) ."/toc/class.yaf-session.inc";
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    0 => 'yaf-session.unset.php',
    1 => 'Yaf_Session::__unset',
    2 => '移除会话键',
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contributors($setup);

?>
<div id="yaf-session.unset" class="refentry">
 <div class="refnamediv">
<h1 class="refname">Yaf_Session::__unset</h1>
<p class="verinfo">(Yaf &gt;=1.0.0)</p><p class="refpurpose"><span class="refname">Yaf_Session::__unset</span> &mdash; <span class="dc-title">移除会话键</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-yaf-session.unset-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="modifier">function</span> <span class="methodname"><strong>Yaf_Session::__unset</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$name</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>

  <p class="simpara">移除一个会话键及其值。当对会话对象的属性使用 <code class="literal">unset()</code> 时，会调用此方法。</p>
 </div>


 <div class="refsect1 parameters" id="refsect1-yaf-session.unset-parameters">
  <h3 class="title">参数</h3>
  <dl>
   
    <dt><code class="parameter">name</code></dt>
    <dd>
<p class="simpara">要移除的会话键。</p>
    </dd>
   
  </dl>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-yaf-session.unset-returnvalues">
  <h3 class="title">返回值</h3>
<p class="simpara">没有返回值。</p>
 </div>


 <div class="refsect1 examples" id="refsect1-yaf-session.unset-examples">
  <h3 class="title">示例</h3>
  <div class="example" id="example-1">
   <p><strong>示例 #1 <span class="methodname"><strong>Yaf_Session::__unset()</strong></span> 示例</strong></p>
   <div class="example-contents">
<div class="phpcode"><pre><code style="color: #000000"><span style="color: #0000BB">&lt;?php
$session </span><span style="color: #007700">= </span><span style="color: #0000BB">Yaf_Session</span><span style="color: #007700">::</span><span style="color: #0000BB">getInstance</span><span style="color: #007700">();
</span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">start</span><span style="color: #007700">();

</span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">user_id </span><span style="color: #007700">= </span><span style="color: #0000BB">42</span><span style="color: #007700">;

</span><span style="color: #FF8000">// ... 当用户注销时
</span><span style="color: #007700">unset(</span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">user_id</span><span style="color: #007700">);

</span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(isset(</span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">user_id</span><span style="color: #007700">));
</span><span style="color: #0000BB">?&gt;</span></code></pre></div>
   </div>

   <div class="example-contents"><p>以上示例的输出类似于：</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">bool(false)</pre>
</div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-yaf-session.unset-seealso">
  <h3 class="title">参见</h3>
  <ul class="simplelist">
   <li><span class="methodname"><a href="yaf-session.del.php" class="methodname" rel="rdfs-seeAlso">Yaf_Session::del()</a> - 删除会话键</span></li>
   <li><span class="methodname"><a href="yaf-session.offsetunset.php" class="methodname" rel="rdfs-seeAlso">Yaf_Session::offsetUnset()</a> - 移除会话键（ArrayAccess）</span></li>
  </ul>
 </div>

</div><?php manual_footer($setup); ?>