google mod10 checksum bastien > Date: Thu, 24 Jan 2008 12:37:20 +0100> From: emil@xxxxxxxxxxxx> To: php-general@xxxxxxxxxxxxx> Subject: Verification number> > Hi> > Sorry if this is considered off topic. Please ignore the post in that case.> > My site uses ten digit numbers as ID:s for our products. I would like > the last digit to be a verification/check digit. I was just about to > just make some simple function that would add the other values together > into a one digit verification digit. But I thought maybe there are > better or worse ways of doing this, since some algorithms probably > produce a more even distribution of verification digits than others do. > I.e. it would be a shame if I later on notice that half of my ID:s get > 9 as verification.> > Any ideas?> > Regards Emil> > -- > PHP General Mailing List (http://www.php.net/)> To unsubscribe, visit: http://www.php.net/unsub.php> _________________________________________________________________
