gethostbyaddr
(PHP 4, PHP 5, PHP 7, PHP 8)
gethostbyaddr — Get the Internet host name corresponding to a given IP address
Description
gethostbyaddr(string $ip): string|false
Returns the host name of the Internet host specified by ip.
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
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.gethostbyaddr.php
