<?php
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
$TOC = array();
$TOC_DEPRECATED = array();
$PARENTS = array();
include_once dirname(__FILE__) ."/toc/ref.spl.inc";
$setup = array (
  'home' => 
  array (
    0 => 'index.php',
    1 => 'PHP Manual',
  ),
  'head' => 
  array (
    0 => 'UTF-8',
    1 => 'zh',
  ),
  'this' => 
  array (
    0 => 'function.spl-autoload-unregister.php',
    1 => 'spl_autoload_unregister',
    2 => '注销已实现的 __autoload() 函数',
  ),
  'up' => 
  array (
    0 => 'ref.spl.php',
    1 => 'SPL 函数',
  ),
  'prev' => 
  array (
    0 => 'function.spl-autoload-register.php',
    1 => 'spl_autoload_register',
  ),
  'next' => 
  array (
    0 => 'function.spl-classes.php',
    1 => 'spl_classes',
  ),
  'alternatives' => 
  array (
  ),
  'source' => 
  array (
    'lang' => 'zh',
    'path' => 'reference/spl/functions/spl-autoload-unregister.xml',
  ),
  'history' => 
  array (
  ),
);
$setup["toc"] = $TOC;
$setup["toc_deprecated"] = $TOC_DEPRECATED;
$setup["parents"] = $PARENTS;
manual_setup($setup);

contributors($setup);

?>
<div id="function.spl-autoload-unregister" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">spl_autoload_unregister</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.1.0, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">spl_autoload_unregister</span> &mdash; <span class="dc-title">注销已实现的 __autoload() 函数</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.spl-autoload-unregister-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>spl_autoload_unregister</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$callback</code></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   从自动装载函数队列中移除函数。如果该函数队列处于激活状态且在指定函数移除后为空，则函数队列将会失效。
  </p>
  <p class="para">
   如果该函数导致自动装载函数队列失效，之前存在的 __autoload 函数也不会重新激活。
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.spl-autoload-unregister-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">callback</code></dt>
     <dd>
      <p class="para">
       要注销的自动装载函数。
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.spl-autoload-unregister-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong>， 或者在失败时返回 <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong>。
  </p>
 </div>


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