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81 lines
4.5 KiB
HTML
81 lines
4.5 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>返回最后一次的错误代码</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.curl-errno" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">curl_errno</h1>
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<p class="verinfo">(PHP 4 >= 4.0.3, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">curl_errno</span> — <span class="dc-title">返回最后一次的错误代码</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.curl-errno-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>curl_errno</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$ch</code></span>
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) : <span class="type">int</span></div>
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<p class="para rdfs-comment">
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返回最后一次 cURL 操作的错误代码。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.curl-errno-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">ch</code>
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</dt>
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<dd>
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<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>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.curl-errno-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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返回错误代码或在没有错误发生时返回 <em>0</em> (零)。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.curl-errno-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-5237">
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<p><strong>Example #1 <span class="function"><strong>curl_errno()</strong></span> 例子</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// 创建 cURL 句柄，指向不存在的位置<br /></span><span style="color: #0000BB">$ch </span><span style="color: #007700">= </span><span style="color: #0000BB">curl_init</span><span style="color: #007700">(</span><span style="color: #DD0000">'http://404.php.net/'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// 执行<br /></span><span style="color: #0000BB">curl_setopt</span><span style="color: #007700">(</span><span style="color: #0000BB">$ch</span><span style="color: #007700">, </span><span style="color: #0000BB">CURLOPT_RETURNTRANSFER</span><span style="color: #007700">, </span><span style="color: #0000BB">true</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">curl_exec</span><span style="color: #007700">(</span><span style="color: #0000BB">$ch</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// 检查是否有错误发生<br /></span><span style="color: #007700">if(</span><span style="color: #0000BB">curl_errno</span><span style="color: #007700">(</span><span style="color: #0000BB">$ch</span><span style="color: #007700">))<br />{<br /> echo </span><span style="color: #DD0000">'Curl error: ' </span><span style="color: #007700">. </span><span style="color: #0000BB">curl_error</span><span style="color: #007700">(</span><span style="color: #0000BB">$ch</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">// 关闭句柄<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">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.curl-errno-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="curl_error.html" class="function" rel="rdfs-seeAlso">curl_error()</a> - 返回当前会话最后一次错误的字符串</span></li>
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<li class="member"><a href="http://curl.haxx.se/libcurl/c/libcurl_errors.html" class="link external">» Curl 错误代码</a></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |