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?>
<div id="function.zend-thread-id" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">zend_thread_id</h1>
  <p class="verinfo">(PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">zend_thread_id</span> &mdash; <span class="dc-title">返回当前线程的唯一识别符</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.zend-thread-id-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>zend_thread_id</strong></span>(): <span class="type"><a href="language.types.integer.php" class="type int">int</a></span></div>

  <p class="para rdfs-comment">
   该函数返回当前线程的唯一识别符。
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.zend-thread-id-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-function.zend-thread-id-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   以整型（integer）返回线程的 ID。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.zend-thread-id-examples">
  <h3 class="title">示例</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>示例 #1 <span class="function"><strong>zend_thread_id()</strong></span> 示例</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$thread_id </span><span style="color: #007700">= </span><span style="color: #0000BB">zend_thread_id</span><span style="color: #007700">();<br /><br />echo </span><span style="color: #DD0000">'Current thread id is: ' </span><span style="color: #007700">. </span><span style="color: #0000BB">$thread_id</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?&gt;</span></span></code></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">Current thread id is: 7864</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 notes" id="refsect1-function.zend-thread-id-notes">
  <h3 class="title">注释</h3>
  <blockquote class="note"><p><strong class="note">注意</strong>: 
   <p class="para">
    该函数仅在以下情况有效：PHP 内置 ZTS（Zend 线程安全）的支持，
    并开启调试模式（<code class="literal">--enable-debug</code>）时。
   </p>
  </p></blockquote>
 </div>


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