note 26641 added to function.gethostbyaddr

gethostbyaddr() doesn't seem to be able to resolve ip6.int (ipv6) adresses, so I made a function that can, and works just like the normal gethostbyaddr(). You need dig and ipv6calc, dig should come with most distributions, if not, install bind from http://www.isc.org. ipv6calc can be found at http://www.bieringer.de/linux/IPv6/ipv6calc/index.html. function gethostbyaddr6($ip6) { $ipv6calc = "/bin/ipv6calc"; $dig = "/usr/bin/dig"; $file = popen($ipv6calc." --in ipv6addr --out revnibbles.int ".escapeshellarg($ip6), r); $ip = fread($file, 128); pclose($file); if ((substr($ip, 0, 5) == "Error") || (!$ip)) return "Address is not a valid IPv6 address"; $file = popen($dig." ptr ".$ip, r); while (!feof ($file)) { $buffer = fgets($file, 128); if (substr($buffer, 0, 1) == ";") continue; $buffer = explode(" ", $buffer); if ($buffer[3] == "PTR") { $host = substr(trim($buffer[4]), 0, -1); pclose($file); return $host; } } pclose($file); return $ip6; } echo gethostbyaddr6($_SERVER[REMOTE_ADDR]); -- http://www.php.net/manual/en/function.gethostbyaddr.php http://master.php.net/manage/user-notes.php?action=edit+26641 http://master.php.net/manage/user-notes.php?action=delete+26641 http://master.php.net/manage/user-notes.php?action=reject+26641