<!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>Gets cURL version information</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.curl-unescape.html">curl_unescape</a></div> <div class="next" style="text-align: right; float: right;"><a href="class.curlfile.html">CURLFile</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" id="refsect1-function.curl-version-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">array</span> <span class="methodname"><strong>curl_version</strong></span> ([ <span class="methodparam"><span class="type">int</span> <code class="parameter">$age</code><span class="initializer"> = CURLVERSION_NOW</span></span> ] )</div> <p class="para rdfs-comment"> Returns information about the cURL version. </p> </div> <div class="refsect1 parameters" id="refsect1-function.curl-version-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">age</code></em></span> <dd> <p class="para"> </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.curl-version-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns an associative array with the following elements: <table class="doctable informaltable"> <thead> <tr> <th>Indice</th> <th>Value description</th> </tr> </thead> <tbody class="tbody"> <tr> <td>version_number</td> <td>cURL 24 bit version number</td> </tr> <tr> <td>version</td> <td>cURL version number, as a string</td> </tr> <tr> <td>ssl_version_number</td> <td>OpenSSL 24 bit version number</td> </tr> <tr> <td>ssl_version</td> <td>OpenSSL version number, as a string</td> </tr> <tr> <td>libz_version</td> <td>zlib version number, as a string</td> </tr> <tr> <td>host</td> <td>Information about the host where cURL was built</td> </tr> <tr> <td>age</td> <td class="empty"> </td> </tr> <tr> <td>features</td> <td>A bitmask of the <em>CURL_VERSION_XXX</em> constants</td> </tr> <tr> <td>protocols</td> <td>An array of protocols names supported by cURL</td> </tr> </tbody> </table> </p> </div> <div class="refsect1 examples" id="refsect1-function.curl-version-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-4232"> <p><strong>Example #1 <span class="function"><strong>curl_version()</strong></span> example</strong></p> <div class="example-contents"><p> This example will check which features that's available in cURL build by using the <em>'features'</em> bitmask returned by <span class="function"><strong>curl_version()</strong></span>. </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 class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.curl-unescape.html">curl_unescape</a></div> <div class="next" style="text-align: right; float: right;"><a href="class.curlfile.html">CURLFile</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>