Entry

How can I force users to choose at least one checkbox from a group?

Jan 25th, 2000 18:11
Nathan Wallace, Manuel Lemos

There is a PHP Form generation and validation class that among other
things does just that. Take a look here. There's an example that shows
exactly how to make the kind of validation you want:

    http://phpclasses.UpperDesign.com/browse.html/package/1

You might prefer to do the check in Javascript before the form is
submitted to the server.