Source of: /manual/en/function.getprotobynumber.php
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<div id="function.getprotobynumber" class="refentry">
<div class="refnamediv">
<h1 class="refname">getprotobynumber</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">getprotobynumber</span> — <span class="dc-title">Get protocol name associated with protocol number</span></p>
</div>
<a name="function.getprotobynumber.description"></a><div class="refsect1 description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">string</span> <span class="methodname"><b>getprotobynumber</b></span>
( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$number</tt></span>
)</div>
<p class="para rdfs-comment">
<b>getprotobynumber()</b> returns the protocol name
associated with protocol <i><tt class="parameter">number</tt></i>
as per
<var class="filename">/etc/protocols</var>.
</p>
</div>
<a name="function.getprotobynumber.parameters"></a><div class="refsect1 parameters">
<h3 class="title">Parameters</h3>
<p class="para">
</p><dl>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">number</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">
The protocol number.
</p>
</dd>
</dl>
<p>
</p>
</div>
<a name="function.getprotobynumber.returnvalues"></a><div class="refsect1 returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the protocol name as a string.
</p>
</div>
<a name="function.getprotobynumber.seealso"></a><div class="refsect1 seealso">
<h3 class="title">See Also</h3>
<p class="para">
</p><ul class="simplelist">
<li class="member"><a href="function.getprotobyname.php" class="function" rel="rdfs-seeAlso">getprotobyname()</a> - Get protocol number associated with protocol name</li>
</ul><p>
</p>
</div>
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