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88 lines
3.7 KiB
HTML
88 lines
3.7 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>Get protocol number associated with protocol name</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.getprotobyname" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">getprotobyname</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">getprotobyname</span> — <span class="dc-title">Get protocol number associated with protocol name</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.getprotobyname-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>getprotobyname</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$name</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>getprotobyname()</strong></span> returns the protocol number
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associated with the protocol <code class="parameter">name</code> as per
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<var class="filename">/etc/protocols</var>.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.getprotobyname-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">name</code></dt>
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<dd>
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<p class="para">
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The protocol name.
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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.getprotobyname-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns the protocol number, 或者在失败时返回 <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.getprotobyname-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-5488">
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<p><strong>Example #1 <span class="function"><strong>getprotobyname()</strong></span> example</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 />$protocol </span><span style="color: #007700">= </span><span style="color: #DD0000">'tcp'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$get_prot </span><span style="color: #007700">= </span><span style="color: #0000BB">getprotobyname</span><span style="color: #007700">(</span><span style="color: #0000BB">$protocol</span><span style="color: #007700">);<br />if (</span><span style="color: #0000BB">$get_prot </span><span style="color: #007700">=== </span><span style="color: #0000BB">FALSE</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">'Invalid Protocol'</span><span style="color: #007700">;<br />} else {<br /> echo </span><span style="color: #DD0000">'Protocol #' </span><span style="color: #007700">. </span><span style="color: #0000BB">$get_prot</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.getprotobyname-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="getprotobynumber.html" class="function" rel="rdfs-seeAlso">getprotobynumber()</a> - Get protocol name associated with protocol number</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> |