Re: Clear field after validation failure

On Apr 25, 1:19 am, Greg Skerman <gsker...@gmail.com> wrote:
> Hey guys,
>
> Trying to work out how to clear a form field if that field fails validation.
>
> I've tried doing an unset($this->data['Model']['fieldname']) but the data
> still seems to persist in the form when it is returned to the user to
> correct validation errors.

Are you sure that you're not overwriting it yourself? A common mistake
is to do something like this:

public function edit($id = null)
{
if (!empty($this->data))
{
// pseudocode
if (validate + save)
{
// redirect
}
}

// if above fails you'll be here

$this->data = $this->Foo->read(null, $id);
}

The read() line should be wrapped in an else block so that it's not
called if data was submitted.

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