Re: Handling checkboxes that aren't checked!!!
| From: | Rob Adams | Date: | Tue, 04 Nov 2003 22:15:50 +0000 |
| Subject: | Re: Handling checkboxes that aren't checked!!! | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-168509@lists.php.net to get a copy of this message | ||
"Kb" <kevin@bland99.freeserve.co.uk> wrote in message
news:20031104204021.65051.qmail@pb1.pair.com...
> Hi,
>
> I have a page with a Form and a Checkbox.
>
> I have a second page which wants to do something depending on if the
> checkbox is selected or not.
> If its selected there is no problem. But if I tryand do anything if it
> isn't selected then it says the variable is 'undefined'. How can I test
for
> it without getting an error if it is not checked?? Or is there a way of
> ensuring it is either "on" or "off".
There may be some way in JavaScript to ensure a value, but the easiest way
is to use:
isset()
or
empty().
php.net/isset
-- Rob
>
> if ($want_it == TRUE {
> echo "Selected"; }
> else {
> echo "Not Selected";}
>
> Will give an undefined eror if the checbox is not selected, but works if
it
> is selected.
>
> I have been tearing my hair (what is left) out over the past week and I
> could really do with some help.
>
> Suggestions??
>
> Thanks in advance
>
> Kevin