gethostbyaddr
(PHP 4, PHP 5, PHP 7, PHP 8)
gethostbyaddr —
Get the Internet host name corresponding to a given IP address
Parameters
ip-
The host IP address.
Return Values
Returns the host name on success, the unmodified ip
on failure, or false on malformed input.
Examples
Example #1 A simple gethostbyaddr() example
<?php
$hostname = gethostbyaddr($_SERVER['REMOTE_ADDR']);
echo $hostname;
?>
See Also
- gethostbyname() - Get the IPv4 address corresponding to a given Internet host name
- gethostbynamel() - Get a list of IPv4 addresses corresponding to a given Internet host
name
fsockopen
Network Functions