gethostbyaddr

(PHP 4, PHP 5, PHP 7)

gethostbyaddr Get the Internet host name corresponding to a given IP address

Descrierea

gethostbyaddr ( string $ip ) : string|false

Returns the host name of the Internet host specified by ip.

Parametri

ip

The host IP address.

Valorile întoarse

Returns the host name on success, the unmodified ip on failure, or false on malformed input.

Exemple

Example #1 A simple gethostbyaddr() example

<?php
$hostname 
gethostbyaddr($_SERVER['REMOTE_ADDR']);

echo 
$hostname;
?>

A se vedea și

  • 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