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118 lines
5.4 KiB
HTML
118 lines
5.4 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>Queries the local side of the given socket which may either result in host/port or in a Unix filesystem path, dependent on its type</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-getsockname" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">socket_getsockname</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_getsockname</span> — <span class="dc-title">Queries the local side of the given socket which may either result in host/port or in a Unix filesystem path, dependent on its type</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.socket-getsockname-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_getsockname</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$socket</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter reference">&$addr</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter reference">&$port</code></span>
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] ) : <span class="type">bool</span></div>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<span class="simpara">
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<span class="function"><strong>socket_getsockname()</strong></span> should not be used with
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<strong><code>AF_UNIX</code></strong> sockets created with <span class="function"><a href="socket_connect.html" class="function">socket_connect()</a></span>.
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Only sockets created with <span class="function"><a href="socket_accept.html" class="function">socket_accept()</a></span> or a primary
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server socket following a call to <span class="function"><a href="socket_bind.html" class="function">socket_bind()</a></span> will return
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meaningful values.
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</span>
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</p></blockquote>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.socket-getsockname-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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or <span class="function"><a href="socket_accept.html" class="function">socket_accept()</a></span>.
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</p>
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</dd>
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<dt>
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<code class="parameter">addr</code></dt>
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<dd>
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<p class="para">
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If the given socket is of type <strong><code>AF_INET</code></strong>
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or <strong><code>AF_INET6</code></strong>, <span class="function"><strong>socket_getsockname()</strong></span>
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will return the local <em class="emphasis">IP address</em> in appropriate notation (e.g.
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<em>127.0.0.1</em> or <em>fe80::1</em>) in the
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<code class="parameter">address</code> parameter and, if the optional
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<code class="parameter">port</code> parameter is present, also the associated port.
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</p>
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<p class="para">
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If the given socket is of type <strong><code>AF_UNIX</code></strong>,
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<span class="function"><strong>socket_getsockname()</strong></span> will return the Unix filesystem
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path (e.g. <em>/var/run/daemon.sock</em>) in the
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<code class="parameter">address</code> parameter.
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</p>
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</dd>
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<dt>
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<code class="parameter">port</code></dt>
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<dd>
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<p class="para">
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If provided, this will hold the associated port.
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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-getsockname-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。 <span class="function"><strong>socket_getsockname()</strong></span> may also return
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<strong><code>FALSE</code></strong> if the socket type is not any of <strong><code>AF_INET</code></strong>,
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<strong><code>AF_INET6</code></strong>, or <strong><code>AF_UNIX</code></strong>, in which
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case the last socket error code is <em class="emphasis">not</em> updated.
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.socket-getsockname-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_getpeername.html" class="function" rel="rdfs-seeAlso">socket_getpeername()</a> - Queries the remote side of the given socket which may either result in host/port or in a Unix filesystem path, dependent on its type</span></li>
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<li class="member"><span class="function"><a href="socket_last_error.html" class="function" rel="rdfs-seeAlso">socket_last_error()</a> - Returns the last error on the socket</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> |