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88 lines
3.3 KiB
HTML
88 lines
3.3 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>获取指定的IP地址对应的主机名</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.gethostbyaddr" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">gethostbyaddr</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">gethostbyaddr</span> — <span class="dc-title">
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获取指定的IP地址对应的主机名
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</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.gethostbyaddr-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>gethostbyaddr</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$ip_address</code></span>
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) : <span class="type">string</span></div>
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<p class="para rdfs-comment">
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返回指定的IP地址（<code class="parameter">ip_address</code>）对应的主机名。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.gethostbyaddr-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">ip_address</code></dt>
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<dd>
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<p class="para">
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主机的IP地址。
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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.gethostbyaddr-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功则返回主机名；失败则原样输出（输出IP地址）；如果输入的格式不正常，则返回<strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.gethostbyaddr-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-5484">
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<p><strong>Example #1 一个使用 <span class="function"><strong>gethostbyaddr()</strong></span> 的简单例子</strong></p>
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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 />$hostname </span><span style="color: #007700">= </span><span style="color: #0000BB">gethostbyaddr</span><span style="color: #007700">(</span><span style="color: #0000BB">$_SERVER</span><span style="color: #007700">[</span><span style="color: #DD0000">'REMOTE_ADDR'</span><span style="color: #007700">]);<br /><br />echo </span><span style="color: #0000BB">$hostname</span><span style="color: #007700">;<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 class="refsect1 seealso" id="refsect1-function.gethostbyaddr-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="gethostbyname.html" class="function" rel="rdfs-seeAlso">gethostbyname()</a> - 返回主机名对应的 IPv4地址。</span></li>
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<li class="member"><span class="function"><a href="gethostbynamel.html" class="function" rel="rdfs-seeAlso">gethostbynamel()</a> - 获取互联网主机名对应的 IPv4 地址列表</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> |