function.curl-errno.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Return the last error number</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.curl-copy-handle.html">curl_copy_handle</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.curl-error.html">curl_error</a></div> <div class="up"><a href="ref.curl.html">cURL Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.curl-errno" class="refentry"> <div class="refnamediv"> <h1 class="refname">curl_errno</h1> <p class="verinfo">(PHP 4 >= 4.0.3, PHP 5)</p><p class="refpurpose"><span class="refname">curl_errno</span> — <span class="dc-title">Return the last error number</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">int</span> <span class="methodname"><b><b>curl_errno</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$ch</tt></span> )</div> <p class="para rdfs-comment"> Returns the error number for the last cURL operation. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt><span class="term"><i><tt class="parameter">ch</tt></i></span><dd><p class="para">A cURL handle returned by <a href="function.curl-init.html" class="function">curl_init()</a>.</p></dd></dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the error number or <i>0</i> (zero) if no error occurred. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>curl_errno()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Create a curl handle to a non-existing location<br /></span><span style="color: #0000BB">$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">// Execute<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">// Check if any error occured<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">// Close handle<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></span></code></div> </div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.curl-error.html" class="function" rel="rdfs-seeAlso">curl_error()</a></li> <li class="member"><a href="http://curl.haxx.se/libcurl/c/libcurl-errors.html" class="link external">» Curl error codes</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.curl-copy-handle.html">curl_copy_handle</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.curl-error.html">curl_error</a></div> <div class="up"><a href="ref.curl.html">cURL Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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