random 'card number' generator

X-No-Archive: true Hello, I'm learning PhP and trying to write a library catalogue system, that uses a PostgreSQL back-end. My db looks like this ... http://www.chez.com/desmondcoughlan/unix/bibliotheque.sql I had originally planned to have a username in place of 'card_number', but realised that there was no point. What I need now is the PhP code that will create a card number, and rather than having a sequence, I want a random three-digit number. Can someone point me in the direction of where and how PhP can do this? Thanks. D. --------------------------------- Découvrez une nouvelle façon d'obtenir des réponses à toutes vos questions ! Profitez des connaissances, des opinions et des expériences des internautes sur Yahoo! Questions/Réponses.