Set Message in form validation for Certain Input Name

[eluser]MathBoon[/eluser]
You could override the form_validation library and create extra methods like "required_checkbox" or "required_radio".

This would not be automatic though, but i don't see any way in which CI could do this automatically.

Unfortunately CI (or php?) doesn't know what kind of input it was that led to the specific $_POST element, so you can't differ between radios, checkboxes or normal text inputs.