Posted by "Matt Monaco" on 11/30/05 07:17

Well if your keys are a straight sequence of numbers instead of a foreach
you can do a for loop and for those whose value is not one, set to zero.

Matt


"blackwater dev" <blackwaterdev@gmail.com> wrote in message
news:34a9824e0511291915q4854cffew3a01bf306c1d5fba@mail.gmail.com...
I have a form where I am dynamically building a bunch of checkbox
inputs. Then when submitted, I need to update the db. Problem is, of
course, if the checkbox is unchecked then the $_POST doesn't have the
value in the array. How can I get the value from $_POST even though
it's unchecked?

For example, here would be the generated form:

<input type="checkbox" name="cars[2]" value="1">Car 1
<input type="checkbox" name="cars[3]" value="1">Car 2
<input type="checkbox" name="cars[4]" value="1">Car 3
<input type="checkbox" name="cars[5]" value="1">Car 4

Then in the update I loop through:

foreach($_POST[cars] as $id=>$value){
//update vehicles set value to yes or no

}

But, if the unchecked values aren't in $_POST, how do I know to update
them???

Thanks!

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