<?php
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?>
<div id="reflectionextension.ispersistent" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ReflectionExtension::isPersistent</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.4.0, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">ReflectionExtension::isPersistent</span> &mdash; <span class="dc-title">返回扩展是否持久化的</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-reflectionextension.ispersistent-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>ReflectionExtension::isPersistent</strong></span>(): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   检测扩展是否为持久化的。
  </p>
  <p class="para">
   当使用 <var class="filename">php.ini</var> 加载时，则扩展是持久化的。当使用 <span class="function"><a href="function.dl.php" class="function">dl()</a></span> 加载扩展时，扩展是临时的，而不是持久化的。
  </p>

 </div>


 <div class="refsect1 parameters" id="refsect1-reflectionextension.ispersistent-parameters">
  <h3 class="title">参数</h3>
  <p class="para">此函数没有参数。</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-reflectionextension.ispersistent-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   扩展在 <a href="ini.core.php#ini.extension" class="link"><code class="literal">extension</code></a> 配置中被载入返回 <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong>，否则返回 <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong>。
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-reflectionextension.ispersistent-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="methodname"><a href="reflectionextension.istemporary.php" class="methodname" rel="rdfs-seeAlso">ReflectionExtension::isTemporary()</a> - 返回扩展是否是临时载入</span></li>
   </ul>
  </p>
 </div>


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