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    2 => '返回用于临时文件的目录',
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?>
<div id="function.sys-get-temp-dir" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">sys_get_temp_dir</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.2.1, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">sys_get_temp_dir</span> &mdash; <span class="dc-title">返回用于临时文件的目录</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.sys-get-temp-dir-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>sys_get_temp_dir</strong></span>(): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>

  <p class="para rdfs-comment">
   返回 PHP 储存临时文件的默认目录的路径。
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.sys-get-temp-dir-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.sys-get-temp-dir-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   返回临时目录的路径。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.sys-get-temp-dir-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>sys_get_temp_dir()</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 /></span><span style="color: #FF8000">// 使用 sys_get_temp_dir() 在目录里创建临时文件<br /></span><span style="color: #0000BB">$temp_file </span><span style="color: #007700">= </span><span style="color: #0000BB">tempnam</span><span style="color: #007700">(</span><span style="color: #0000BB">sys_get_temp_dir</span><span style="color: #007700">(), </span><span style="color: #DD0000">'Tux'</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #0000BB">$temp_file</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">C:\Windows\Temp\TuxA318.tmp</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.sys-get-temp-dir-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.tmpfile.php" class="function" rel="rdfs-seeAlso">tmpfile()</a> - 建立一个临时文件</span></li>
    <li><span class="function"><a href="function.tempnam.php" class="function" rel="rdfs-seeAlso">tempnam()</a> - 建立一个具有唯一文件名的文件</span></li>
   </ul>
  </p>
 </div>


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