gethostbyaddr
(PHP 3, PHP 4 )
gethostbyaddr -- Get the Internet host name corresponding
to a given IP address
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;
?>
See also gethostbyname().
gethostbyname
(PHP 3, PHP 4 )
gethostbyname -- Get the IP address corresponding to a
given Internet host name
Description
string gethostbyname ( string hostname)
Returns the IP address of the Internet host specified by
hostname or a string containing the unmodified hostname
on failure.
Example 1. A simple gethostbyname() example
<?php
$ip = gethostbyname('www.example.com');
echo $ip;
?>
See also gethostbyaddr().
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