Hello Shaun,
Friday, October 28, 2005, 9:00:05 AM, you wrote:
> Is it possible to loop through all $_POST values to see if it is a
> checkbox? If so then for that element if it is equal to 'on' then
> change it to 1 otherwise change it to 0?
Yes and no.
1. You can't determine by the POST variable whether it was a checkbox
or a text field unless you test for 1/0 or a string, but even then,
what if someone types a 0 into a textbox that was supposed to be an
address (input validation). The other option is to name the checkbox
something like "question1_chkbox" and do a strstr() to see if the POST
variable name contains "_chkbox". But you should know what the
variable names of your checkboxes are anyways, so I don't know why
you'd test to see if it was a checkbox.
2. Only set checkboxes (checked) are passed through POST and GET. This
is fine if it's a one time form and you just need to know if they said
"yes" to subscribing to your newsletter, but if it's a form they can
go back into to modify settings (i.e. their account) then you need to
test to see if they unchecked a box which will not be passed back to
you via POST. Basically you'd set all the fields to 1 if the checkbox
variable appeared in the POST, and set all the rest of the fields to
zero (because if it wasn't in the POST variables, it was unchecked).
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