Re: mt_rand() - the same forever?
| From: | Ashley Sheridan | Date: | Sun, 05 Oct 2008 20:05:22 +0000 |
| Subject: | Re: mt_rand() - the same forever? | ||
| References: | 1 2 3 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-281455@lists.php.net to get a copy of this message | ||
On Sun, 2008-10-05 at 21:57 +0200, Janek wrote:
> I know, but I *want* to seed it. My goal is to have a fixed
> pseudorandom sequence for each integer (seed) and I don't want those
> sequences to change regarding PHP version.
>
> Janek
>
> On Sun, Oct 5, 2008 at 9:52 PM, Richard Heyes <richard@php.net> wrote:
> >> I wonder whether I can rely on the stability of mt_srand() and
> >> mt_rand(). I want them to generate the same sequence for a fixed seed,
> >> regardless of PHP version. Do you think I can trust it?
> >> Janek
> >
> > Keep in mind (if you're not already) that mt_rand() doesn't
> > technically need to be seeded.
> >
> > --
> > Richard Heyes
> >
> > HTML5 Graphing for FF, Chrome, Opera and Safari:
> > http://www.phpguru.org/RGraph
> >
>
Doesn't it also rely on the system clock as well?
Ash
www.ashleysheridan.co.uk