[107173] in North American Network Operators' Group
Re: interger to I P address
daemon@ATHENA.MIT.EDU (Mike Damm)
Wed Aug 27 14:08:40 2008
Date: Wed, 27 Aug 2008 11:08:27 -0700
From: Mike Damm <mike@damm.com>
To: nanog@nanog.org
In-Reply-To: <3F045502966C304B963C72E3C442750EB8C86F@scarlitnt840.windstream.com>
Errors-To: nanog-bounces@nanog.org
The PHP way:
echo long2ip('1089055123');
Boyd, Benjamin R wrote:
> The PHP way:
> function convertIntegerToIpv4($integer)
> {
> $max_value = pow(2,32); //4,294,967,296
> $bug_fix = 0;
> settype($integer, float);
>
> if($integer > 2147483647) $bug_fix = 16777216;
>
> if(is_numeric($integer))
> {
> if ($integer >= $max_value || $integer < 0)
> {
> return ('Not a valid IPv4 integer');
> }
> $ip = (sprintf("%u.%u.%u.%u",
> $integer / 16777216,
> (($integer % 16777216) + $bug_fix) / 65536,
> (($integer % 65536) + $bug_fix / 256) / 256,
> ($integer % 256) + $bug_fix / 256 / 256
> )
> );
> return($ip);
> }
> else {
> return('');
> }
> }
>
