See the paragraph "Global validators" in
http://www.symfony-project.org/book/forms/1_2/en/02-Form-Validation.
I think your problem will be better handled by a global validator as
it regards more than one input field.
Martino
On Wed, Feb 18, 2009 at 1:16 PM, Mark Smith
<marksmith5...@jungle-monkey.com> wrote:
>
> I have a dynamic 2d array of checkboxes, and I want to require that at
> least one is selected. Trying to write validation rules for this is
> proving to be excruciatingly difficult.
>
> The only way I could accomplish this is to override the isValid
> function and put in some logic to manually check each box.
>
> It causes the form not to validate, but obviously does nothing to the
> error schema:
>
> public function isValid()
> {
> $result=false;
>
> foreach($this['requiredServices'] as $service)
> {
> foreach($service as $region)
> {
> if($region->getValue())
> {
> $result=true;
> break;
> }
> }
> }
>
>
> return $result && parent::isValid();
> }
>
>
>
> Is there a better way than this?
>
> Thanks
>
> >
>
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