Mega Code Archive
Using gethostbyaddr() to Get a Hostname
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<html>
<head>
<title>Using gethostbyaddr() to get a host name</title>
</head>
<body>
<?php
if ( isset( $REMOTE_HOST ) )
print "Visitor at $REMOTE_HOST<br>";
elseif ( isset ( $REMOTE_ADDR ) )
print "Visitor at ".gethostbyaddr( $REMOTE_ADDR )."<br>";
else
print "wherever you are<br>";
?>
</body>
</html>
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