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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>关闭 cURL 会话</title>
</head>
<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.curl-close" class="refentry">
<div class="refnamediv">
<h1 class="refname">curl_close</h1>
<p class="verinfo">(PHP 4 &gt;= 4.0.2, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">curl_close</span> &mdash; <span class="dc-title">关闭 cURL 会话</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.curl-close-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>curl_close</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$ch</code></span>
) : <span class="type"><span class="type void">void</span></span></div>
<p class="para rdfs-comment">
关闭 cURL 会话并且释放所有资源。cURL 句柄 <code class="parameter">ch</code> 也会被删除。
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.curl-close-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">ch</code>
</dt>
<dd>
<p class="para">由 <span class="function"><a href="curl_init.html" class="function">curl_init()</a></span> 返回的 cURL 句柄。</p></dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.curl-close-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
没有返回值。
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.curl-close-examples">
<h3 class="title">范例</h3>
<p class="para">
<div class="example" id="example-5235">
<p><strong>Example #1 初始化新的 cURL 会话，并获取一张网页</strong></p>
<div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">//&nbsp;创建一个新cURL资源<br /></span><span style="color: #0000BB">$ch&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">curl_init</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">//&nbsp;设置URL和相应的选项<br /></span><span style="color: #0000BB">curl_setopt</span><span style="color: #007700">(</span><span style="color: #0000BB">$ch</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">CURLOPT_URL</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"http://www.example.com/"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">curl_setopt</span><span style="color: #007700">(</span><span style="color: #0000BB">$ch</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">CURLOPT_HEADER</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;抓取URL并把它传递给浏览器<br /></span><span style="color: #0000BB">curl_exec</span><span style="color: #007700">(</span><span style="color: #0000BB">$ch</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;关闭cURL资源，并且释放系统资源<br /></span><span style="color: #0000BB">curl_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$ch</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.curl-close-seealso">
<h3 class="title">参见</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="curl_init.html" class="function" rel="rdfs-seeAlso">curl_init()</a> - 初始化 cURL 会话</span></li>
<li class="member"><span class="function"><a href="curl_multi_close.html" class="function" rel="rdfs-seeAlso">curl_multi_close()</a> - 关闭一组cURL句柄</span></li>
</ul>
</p>
</div>
</div></div></div></body></html>