📄 function.curl-version.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>Gets cURL version information</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="ref.curl.html">cURL Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="book.fam.html">FAM</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-version" class="refentry"> <div class="refnamediv"> <h1 class="refname">curl_version</h1> <p class="verinfo">(PHP 4 >= 4.0.2, PHP 5)</p><p class="refpurpose"><span class="refname">curl_version</span> — <span class="dc-title">Gets cURL version information</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">array</span> <span class="methodname"><b><b>curl_version</b></b></span> ([ <span class="methodparam"><span class="type">int</span> <tt class="parameter">$age</tt></span> ] )</div> <p class="para rdfs-comment"> Returns information about the cURL version. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">age</tt></i></span> <dd> <p class="para"> </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns an associative array with the following elements: <table class="informaltable"> <colgroup> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">version_number</td> <td colspan="1" rowspan="1" align="left">cURL 24 bit version number</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">version</td> <td colspan="1" rowspan="1" align="left">cURL version number, as a string</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">ssl_version_number</td> <td colspan="1" rowspan="1" align="left">OpenSSL 24 bit version number</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">ssl_version</td> <td colspan="1" rowspan="1" align="left">OpenSSL version number, as a string</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">libz_version</td> <td colspan="1" rowspan="1" align="left">zlib version number, as a string</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">host</td> <td colspan="1" rowspan="1" align="left">Information about the host where cURL was built</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">age</td> <td class="empty"> </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">features</td> <td colspan="1" rowspan="1" align="left">A bitmask of the <i>CURL_VERSION_XXX</i> constants</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">protocols</td> <td colspan="1" rowspan="1" align="left">An array of protocols names supported by cURL</td> </tr> </tbody> </colgroup> </table> </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>curl_version()</b> example</b></p> <div class="example-contents"><p> This example will check which features thats available in cURL build by using the 'features' bitmask returned by <b>curl_version()</b>. </p></div> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Get curl version array<br /></span><span style="color: #0000BB">$version </span><span style="color: #007700">= </span><span style="color: #0000BB">curl_version</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">// These are the bitfields that can be used <br />// to check for features in the curl build<br /></span><span style="color: #0000BB">$bitfields </span><span style="color: #007700">= Array(<br /> </span><span style="color: #DD0000">'CURL_VERSION_IPV6'</span><span style="color: #007700">, <br /> </span><span style="color: #DD0000">'CURL_VERSION_KERBEROS4'</span><span style="color: #007700">, <br /> </span><span style="color: #DD0000">'CURL_VERSION_SSL'</span><span style="color: #007700">, <br /> </span><span style="color: #DD0000">'CURL_VERSION_LIBZ'<br /> </span><span style="color: #007700">);<br /><br /><br />foreach(</span><span style="color: #0000BB">$bitfields </span><span style="color: #007700">as </span><span style="color: #0000BB">$feature</span><span style="color: #007700">)<br />{<br /> echo </span><span style="color: #0000BB">$feature </span><span style="color: #007700">. (</span><span style="color: #0000BB">$version</span><span style="color: #007700">[</span><span style="color: #DD0000">'features'</span><span style="color: #007700">] & </span><span style="color: #0000BB">constant</span><span style="color: #007700">(</span><span style="color: #0000BB">$feature</span><span style="color: #007700">) ? </span><span style="color: #DD0000">' matches' </span><span style="color: #007700">: </span><span style="color: #DD0000">' does not match'</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.curl.html">cURL Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="book.fam.html">FAM</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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