[eluser]mrtopher[/eluser]
I have a group of check boxes on a form that users need to fill out. When the form is submitted I need to make sure that they have checked at least one of these boxes. I'm having a problem wrapping my head around how I need to go about writing the custom validation for this.
I know you can create custom validation functions but in order for them to get called you need to associate them with a single field in the array you pass to set_rules(). I have tried a couple of different things and can't seem to get it working. Anyone know how I can accomplish this?