Re: Unique Numbers

On Mon, 2002-02-18 at 13:14, Steven Walker wrote: > Is it safe to use time() to generate a unique id number? > > My thinking is that the call to the server will take enough time that no > two users will get the same time stamp (although they may be very > close). Even though the likelyhood of two users entering at the same > time is very slim, I don't want to take the chance. > > What about microtime()? No, time functions suck for this. See uniqid() for this kind of thing: http://www.php.net/manual/en/function.uniqid.php Cheers, Torben > Steven J. Walker > Walker Effects > www.walkereffects.com > steve@walkereffects.com -- Torben Wilson <torben@php.net> http://www.thebuttlesschaps.com http://www.hybrid17.com http://www.inflatableeye.com +1.604.709.0506