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50 lines
2.7 KiB
HTML
50 lines
2.7 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>打开一个持久的网络连接或者Unix套接字连接。</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.pfsockopen" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">pfsockopen</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">pfsockopen</span> — <span class="dc-title">打开一个持久的网络连接或者Unix套接字连接。</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.pfsockopen-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>pfsockopen</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$hostname</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$port</code><span class="initializer"> = -1</span></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter reference">&$errno</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter reference">&$errstr</code></span>
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[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$timeout</code><span class="initializer"> = ini_get("default_socket_timeout")</span></span>
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]]]] ) : <span class="type">resource</span></div>
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<p class="para rdfs-comment">
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这个函数的作用与<span class="function"><a href="fsockopen.html" class="function">fsockopen()</a></span>完全一样的，不同的地方在于当在脚本执行完后，连接一直不会关闭。可以说它是<span class="function"><a href="fsockopen.html" class="function">fsockopen()</a></span>的长连接版本。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.pfsockopen-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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对于其参数的信息，请参考<span class="function"><a href="fsockopen.html" class="function">fsockopen()</a></span>的文档。
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.pfsockopen-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="fsockopen.html" class="function" rel="rdfs-seeAlso">fsockopen()</a> - 打开一个网络连接或者一个Unix套接字连接</span></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> |