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<div class="refnamediv">
<h1 class="refname">gethostbynamel</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">gethostbynamel</span> — <span class="dc-title">
Get a list of IPv4 addresses corresponding to a given Internet host
name
</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.gethostbynamel-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">array</span> <span class="methodname"><strong>gethostbynamel</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$hostname</code></span>
)</div>
<p class="para rdfs-comment">
Returns a list of IPv4 addresses to which the Internet host
specified by <em><code class="parameter">hostname</code></em> resolves.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.gethostbynamel-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">hostname</code></em></span>
<dd>
<p class="para">
The host name.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.gethostbynamel-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns an array of IPv4 addresses or <strong><code>FALSE</code></strong> if
<em><code class="parameter">hostname</code></em> could not be resolved.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.gethostbynamel-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-4477">
<p><strong>Example #1 <span class="function"><strong>gethostbynamel()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$hosts </span><span style="color: #007700">= </span><span style="color: #0000BB">gethostbynamel</span><span style="color: #007700">(</span><span style="color: #DD0000">'www.example.com'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$hosts</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
Array
(
[0] => 192.0.34.166
)
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.gethostbynamel-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.gethostbyname.html" class="function" rel="rdfs-seeAlso">gethostbyname()</a> - Get the IPv4 address corresponding to a given Internet host name</span></li>
<li class="member"> <span class="function"><a href="function.gethostbyaddr.html" class="function" rel="rdfs-seeAlso">gethostbyaddr()</a> - Get the Internet host name corresponding to a given IP address</span></li>
<li class="member"> <span class="function"><a href="function.checkdnsrr.html" class="function" rel="rdfs-seeAlso">checkdnsrr()</a> - Check DNS records corresponding to a given Internet host name or IP address</span></li>
<li class="member"> <span class="function"><a href="function.getmxrr.html" class="function" rel="rdfs-seeAlso">getmxrr()</a> - Get MX records corresponding to a given Internet host name</span></li>
<li class="member">the <em>named(8)</em> manual page</li>
</ul>
</p>
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