Wordpress -

i've website is in wordpress with theme name "NillPlay" and i use module name "BuddyPress" i want on the register page of buddypress add a checkbox who ask do you have your card (yes, no ) if you say yes you have box appear who ask the number who write on your card (0000000001....0000000002 .....)so we can verify this number exist really exist on the database and if someone have this number. if someone say NO for the "do you have a card" is not a problem he can create an account just we create automatically the number for him like this 1-0000000001. when the customer enter on his space member he can see on the page name "Qrcode" a Qrcode generate with the number of the card so if we scane the qrcode we can see the number of the card...