[thelist] checked vs. unchecked checkboxes

[Mark Joslyn]

<snip>
<tip type="Processing Checkboxes in PHP">
In order to get all of the data from a series of related checkboxes in 
PHP, you have to tell PHP that you're handing it an array by having the 
name of the checkboxes end in "[]".
</snip>

Thanks Noah!

I have a bit of a follow-up.

I need an action to take place if the user unchecks the checkbox as well. Is
there a way to record this "unchecking" event. It seems like the checkbox
value just disappears once the item in "unchecked".

So, the user checks a checkbox - they receive emails - the user unchecks the
checkbox, then they do not receive emails.

Any insights on this.

markJ