/**
* Return whether the given values (possibly incomplete) are valid
*
* Unsets all empty text-inputs so that they are not being validated when auto-submitting the form.
*
* @param array $formData
*
* @return type
*/
public function isValidPartial(array $formData)
{
foreach (array('by_name', 'new_user', 'new_user_password', 'new_user_2ndpass') as $elementName) {
if (isset($formData[$elementName]) && $formData[$elementName] === '') {
unset($formData[$elementName]);
}
}
return parent::isValidPartial($formData);
}
