📄 function.socket-create-pair.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>Creates a pair of indistinguishable sockets and stores them in an array</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.socket-create-listen.html">socket_create_listen</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.socket-create.html">socket_create</a></div> <div class="up"><a href="ref.sockets.html">Socket Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.socket-create-pair" class="refentry"> <div class="refnamediv"> <h1 class="refname">socket_create_pair</h1> <p class="verinfo">(PHP 4 >= 4.0.7, PHP 5)</p><p class="refpurpose"><span class="refname">socket_create_pair</span> — <span class="dc-title">Creates a pair of indistinguishable sockets and stores them in an array</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>socket_create_pair</b></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$domain</tt></span> , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$type</tt></span> , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$protocol</tt></span> , <span class="methodparam"><span class="type">array</span> <tt class="parameter reference">&$fd</tt></span> )</div> <p class="para rdfs-comment"> <b>socket_create_pair()</b> creates two connected and indistinguishable sockets, and stores them in <i><tt class="parameter">fd</tt></i>. This function is commonly used in IPC (InterProcess Communication). </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">domain</tt></i></span> <dd> <p class="para"> The <i><tt class="parameter">domain</tt></i> parameter specifies the protocol family to be used by the socket. See <a href="function.socket-create.html" class="function">socket_create()</a> for the full list. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">type</tt></i></span> <dd> <p class="para"> The <i><tt class="parameter">type</tt></i> parameter selects the type of communication to be used by the socket. See <a href="function.socket-create.html" class="function">socket_create()</a> for the full list. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">protocol</tt></i></span> <dd> <p class="para"> The <i><tt class="parameter">protocol</tt></i> parameter sets the specific protocol within the specified <i><tt class="parameter">domain</tt></i> to be used when communicating on the returned socket. The proper value can be retrieved by name by using <a href="function.getprotobyname.html" class="function">getprotobyname()</a>. If⌨️ 快捷键说明
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