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106 lines
5.4 KiB
HTML
106 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>获取互联网服务协议对应的端口</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.getservbyname" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">getservbyname</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">getservbyname</span> — <span class="dc-title">获取互联网服务协议对应的端口</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.getservbyname-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>getservbyname</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$service</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$protocol</code></span>
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) : <span class="type">int</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>getservbyname()</strong></span>
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返回互联网服务 <code class="parameter">service</code> 指定的协议 <code class="parameter">protocol</code> 中对应的端口，
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依据 <var class="filename">/etc/services</var>。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.getservbyname-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">service</code></dt>
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<dd>
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<p class="para">
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互联网服务名称的字符串。
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</p>
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</dd>
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<dt>
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<code class="parameter">protocol</code></dt>
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<dd>
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<p class="para">
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<code class="parameter">protocol</code> 既可以是 <em>"tcp"</em>
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也可以是 <em>"udp"</em> (小写)。
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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.getservbyname-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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返回端口号，如果 <code class="parameter">service</code> 或 <code class="parameter">protocol</code> 未找到返回 <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.getservbyname-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-5489">
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<p><strong>Example #1 <span class="function"><strong>getservbyname()</strong></span> 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 />$services </span><span style="color: #007700">= array(</span><span style="color: #DD0000">'http'</span><span style="color: #007700">, </span><span style="color: #DD0000">'ftp'</span><span style="color: #007700">, </span><span style="color: #DD0000">'ssh'</span><span style="color: #007700">, </span><span style="color: #DD0000">'telnet'</span><span style="color: #007700">, </span><span style="color: #DD0000">'imap'</span><span style="color: #007700">,<br /></span><span style="color: #DD0000">'smtp'</span><span style="color: #007700">, </span><span style="color: #DD0000">'nicname'</span><span style="color: #007700">, </span><span style="color: #DD0000">'gopher'</span><span style="color: #007700">, </span><span style="color: #DD0000">'finger'</span><span style="color: #007700">, </span><span style="color: #DD0000">'pop3'</span><span style="color: #007700">, </span><span style="color: #DD0000">'www'</span><span style="color: #007700">);<br /><br />foreach (</span><span style="color: #0000BB">$services </span><span style="color: #007700">as </span><span style="color: #0000BB">$service</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$port </span><span style="color: #007700">= </span><span style="color: #0000BB">getservbyname</span><span style="color: #007700">(</span><span style="color: #0000BB">$service</span><span style="color: #007700">, </span><span style="color: #DD0000">'tcp'</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$service </span><span style="color: #007700">. </span><span style="color: #DD0000">": " </span><span style="color: #007700">. </span><span style="color: #0000BB">$port </span><span style="color: #007700">. </span><span style="color: #DD0000">"<br />\n"</span><span style="color: #007700">;<br />}<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.getservbyname-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="getservbyport.html" class="function" rel="rdfs-seeAlso">getservbyport()</a> - Get Internet service which corresponds to port and protocol</span></li>
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<li class="member">
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<a href="http://www.iana.org/assignments/port-numbers" class="link external">» http://www.iana.org/assignments/port-numbers</a>
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端口号的完整列表
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</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> |