Source of: /manual/en/function.getservbyname.php
<?php
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
$TOC = array();
$PARENTS = array();
include_once dirname(__FILE__) ."/toc/ref.network.inc";
$setup = array (
'home' =>
array (
0 => 'index.php',
1 => 'PHP Manual',
),
'head' =>
array (
0 => 'UTF-8',
1 => 'en',
),
'this' =>
array (
0 => 'function.getservbyname.php',
1 => 'getservbyname',
),
'up' =>
array (
0 => 'ref.network.php',
1 => 'Network Functions',
),
'prev' =>
array (
0 => 'function.getprotobynumber.php',
1 => 'getprotobynumber',
),
'next' =>
array (
0 => 'function.getservbyport.php',
1 => 'getservbyport',
),
);
$setup["toc"] = $TOC;
$setup["parents"] = $PARENTS;
manual_setup($setup);
manual_header();
?>
<div id="function.getservbyname" class="refentry">
<div class="refnamediv">
<h1 class="refname">getservbyname</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">getservbyname</span> — <span class="dc-title">Get port number associated with an Internet service and protocol</span></p>
</div>
<a name="function.getservbyname.description"></a><div class="refsect1 description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">int</span> <span class="methodname"><b>getservbyname</b></span>
( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$service</tt></span>
, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$protocol</tt></span>
)</div>
<p class="para rdfs-comment">
<b>getservbyname()</b> returns the Internet port
which corresponds to <i><tt class="parameter">service</tt></i>
for the
specified <i><tt class="parameter">protocol</tt></i>
as per
<var class="filename">/etc/services</var>.
</p>
</div>
<a name="function.getservbyname.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">service</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">
The Internet service name, as a string.
</p>
</dd>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">protocol</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">
<i><tt class="parameter">protocol</tt></i>
is either <i>"tcp"</i>
or <i>"udp"</i> (in lowercase).
</p>
</dd>
</dl>
<p>
</p>
</div>
<a name="function.getservbyname.returnvalues"></a><div class="refsect1 returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the port number, or <b><tt class="constant">FALSE</tt></b> if <i><tt class="parameter">service</tt></i>
or
<i><tt class="parameter">protocol</tt></i>
is not found.
</p>
</div>
<a name="function.getservbyname.examples"></a><div class="refsect1 examples">
<h3 class="title">Examples</h3>
<p class="para">
</p><div class="example">
<p><b>Example #1 <b>getservbyname()</b> example</b></p>
<div class="example-contents programlisting">
<div class="phpcode"><code><span style="color: #000000">
<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>
</span>
</code></div>
</div>
</div><p>
</p>
</div>
<a name="function.getservbyname.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.getservbyport.php" class="function" rel="rdfs-seeAlso">getservbyport()</a> - Get Internet service which corresponds to port and protocol</li>
<li class="member">
<a href="http://www.iana.org/assignments/port-numbers" class="link external">» http://www.iana.org/assignments/port-numbers</a>
for a complete list of port numbers.
</li>
</ul><p>
</p>
</div>
</div><?php manual_footer(); ?>
