Php/docs/function.gethostbyaddr
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gethostbyaddr
(PHP 4, PHP 5, PHP 7)
gethostbyaddr — Get the Internet host name corresponding to a given IP address
Description
gethostbyaddr
( string $ip_address
) : string
Returns the host name of the Internet host specified by
ip_address.
Parameters
ip_address- The host IP address.
Return Values
Returns the host name on success, the unmodified ip_address
on failure, or FALSE on malformed input.
Examples
Example #1 A simple gethostbyaddr() example
<?php$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
