Description
string
gethostbyaddr ( string ip_address )
Returns the host name of the Internet host specified by
ip_address or a string containing the unmodified
ip_address on failure.
Example 1. A simple gethostbyaddr() example
<?php
$hostname = gethostbyaddr($_SERVER['REMOTE_ADDR']);
echo $hostname;
?>
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See also gethostbyname(), and
gethostbynamel().
