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96 lines
4.6 KiB
HTML
96 lines
4.6 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>Accepts a connection on a socket</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.socket-accept" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">socket_accept</h1>
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<p class="verinfo">(PHP 4 >= 4.1.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">socket_accept</span> — <span class="dc-title">Accepts a connection on a socket</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.socket-accept-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>socket_accept</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$socket</code></span>
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) : <span class="type">resource</span></div>
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<p class="para rdfs-comment">
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After the socket <code class="parameter">socket</code> has been created
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using <span class="function"><a href="socket_create.html" class="function">socket_create()</a></span>, bound to a name with
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<span class="function"><a href="socket_bind.html" class="function">socket_bind()</a></span>, and told to listen for connections
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with <span class="function"><a href="socket_listen.html" class="function">socket_listen()</a></span>, this function will accept
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incoming connections on that socket. Once a successful connection
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is made, a new socket resource is returned, which may be used
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for communication. If there are multiple connections queued on
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the socket, the first will be used. If there are no pending
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connections, <span class="function"><strong>socket_accept()</strong></span> will block until
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a connection becomes present. If <code class="parameter">socket</code>
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has been made non-blocking using
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<span class="function"><a href="socket_set_blocking.html" class="function">socket_set_blocking()</a></span> or
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<span class="function"><a href="socket_set_nonblock.html" class="function">socket_set_nonblock()</a></span>, <strong><code>FALSE</code></strong> will be returned.
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</p>
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<p class="para">
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The socket resource returned by
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<span class="function"><strong>socket_accept()</strong></span> may not be used to accept new
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connections. The original listening socket
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<code class="parameter">socket</code>, however, remains open and may be
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reused.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.socket-accept-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">socket</code></dt>
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<dd>
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<p class="para">
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A valid socket resource created with <span class="function"><a href="socket_create.html" class="function">socket_create()</a></span>.
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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.socket-accept-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns a new socket resource on success, or <strong><code>FALSE</code></strong> on error. The actual
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error code can be retrieved by calling
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<span class="function"><a href="socket_last_error.html" class="function">socket_last_error()</a></span>. This error code may be passed to
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<span class="function"><a href="socket_strerror.html" class="function">socket_strerror()</a></span> to get a textual explanation of the
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error.
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.socket-accept-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="socket_connect.html" class="function" rel="rdfs-seeAlso">socket_connect()</a> - 开启一个套接字连接</span></li>
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<li class="member"><span class="function"><a href="socket_listen.html" class="function" rel="rdfs-seeAlso">socket_listen()</a> - Listens for a connection on a socket</span></li>
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<li class="member"><span class="function"><a href="socket_create.html" class="function" rel="rdfs-seeAlso">socket_create()</a> - 创建一个套接字（通讯节点）</span></li>
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<li class="member"><span class="function"><a href="socket_bind.html" class="function" rel="rdfs-seeAlso">socket_bind()</a> - 给套接字绑定名字</span></li>
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<li class="member"><span class="function"><a href="socket_strerror.html" class="function" rel="rdfs-seeAlso">socket_strerror()</a> - Return a string describing a socket error</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> |