uTools-Manuals/docs/php/getprotobyname.html
2019-04-08 23:22:26 +08:00

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<title>Get protocol number associated with protocol name</title>
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<div id="layout-content"><div id="function.getprotobyname" class="refentry">
<div class="refnamediv">
<h1 class="refname">getprotobyname</h1>
<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">getprotobyname</span> &mdash; <span class="dc-title">Get protocol number associated with protocol name</span></p>
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<div class="refsect1 description" id="refsect1-function.getprotobyname-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>getprotobyname</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$name</code></span>
) : <span class="type">int</span></div>
<p class="para rdfs-comment">
<span class="function"><strong>getprotobyname()</strong></span> returns the protocol number
associated with the protocol <code class="parameter">name</code> as per
<var class="filename">/etc/protocols</var>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.getprotobyname-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">name</code></dt>
<dd>
<p class="para">
The protocol name.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.getprotobyname-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
Returns the protocol number, 或者在失败时返回 <strong><code>FALSE</code></strong>.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.getprotobyname-examples">
<h3 class="title">范例</h3>
<p class="para">
<div class="example" id="example-5488">
<p><strong>Example #1 <span class="function"><strong>getprotobyname()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$protocol&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'tcp'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$get_prot&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">getprotobyname</span><span style="color: #007700">(</span><span style="color: #0000BB">$protocol</span><span style="color: #007700">);<br />if&nbsp;(</span><span style="color: #0000BB">$get_prot&nbsp;</span><span style="color: #007700">===&nbsp;</span><span style="color: #0000BB">FALSE</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">'Invalid&nbsp;Protocol'</span><span style="color: #007700">;<br />}&nbsp;else&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">'Protocol&nbsp;#'&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">$get_prot</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.getprotobyname-seealso">
<h3 class="title">参见</h3>
<p class="para">
<ul class="simplelist">
<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>
</ul>
</p>
</div>
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