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137 lines
5.8 KiB
HTML
137 lines
5.8 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>获取 cURL 版本信息</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-version" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">curl_version</h1>
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<p class="verinfo">(PHP 4 >= 4.0.2, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">curl_version</span> — <span class="dc-title">获取 cURL 版本信息</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.curl-version-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_version</strong></span>
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([ <span class="methodparam"><span class="type">int</span> <code class="parameter">$age</code><span class="initializer"> = CURLVERSION_NOW</span></span>
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] ) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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返回关于 cURL 版本的信息。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.curl-version-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">age</code></dt>
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<dd>
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<p class="para">
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</p>
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</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-version-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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返回关联数组，包含如下元素：
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<table class="doctable informaltable">
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<thead>
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<tr>
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<th>Indice</th>
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<th>值描述</th>
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</tr>
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</thead>
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<tbody class="tbody">
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<tr>
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<td>version_number</td>
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<td>cURL 24 位版本号</td>
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</tr>
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<tr>
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<td>version</td>
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<td>cURL 版本号，字符串形式</td>
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</tr>
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<tr>
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<td>ssl_version_number</td>
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<td>OpenSSL 24 位版本号</td>
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</tr>
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<tr>
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<td>ssl_version</td>
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<td>OpenSSL 版本号，字符串形式</td>
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</tr>
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<tr>
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<td>libz_version</td>
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<td>zlib 版本号，字符串形式</td>
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</tr>
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<tr>
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<td>host</td>
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<td>关于编译cURL主机的信息</td>
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</tr>
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<tr>
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<td>age</td>
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<td class="empty"> </td>
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</tr>
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<tr>
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<td>features</td>
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<td>一个<em>CURL_VERSION_XXX</em>常量的位掩码</td>
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</tr>
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<tr>
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<td>protocols</td>
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<td>数组，包含 cURL 支持的协议名称</td>
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</tr>
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</tbody>
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</table>
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.curl-version-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-5259">
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<p><strong>Example #1 <span class="function"><strong>curl_version()</strong></span> 例子</strong></p>
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<div class="example-contents"><p>
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这个范例将会检查当前 cURL 版本使用<span class="function"><strong>curl_version()</strong></span>返回的 'features' 位掩码中哪些特性是可用的。
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</p></div>
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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">// 获取cURL版本数组<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">// 在cURL编译版本中使用位域来检查某些特性<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>
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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></div></div></body></html> |