Hi, Yep it is backed by DB and i do record when they vote - but its still flawed in how to track unique users :) Thanks though - will continue to look further. Cheers On Wed, Feb 18, 2009 at 5:56 AM, Chris <dmagick@xxxxxxxxx> wrote: > Ian wrote: > >> Hi, >> I am busy building an application that requires one time voting and to get >> around the user deleting a cookie that I set im keeping a hash on my side >> which I then try match before allowing anything. >> > > I assume this is backed by a db of some sort. > > > $query = "update user set has_voted=NOW() where userid='x'"; > > so you can also see when the user voted. Maybe record the ip etc as a > record to back up your assertion they have voted but as you say, ip is not a > very reliable indicator. > > -- > Postgresql & php tutorials > http://www.designmagick.com/ > >
