/**
* breaks loop if value is empty by returning $loop='break'.
* validation is not necessary for empty value.
*
* @param ValueTO $v
*/
public function filter_loopBreak($v)
{
$val = $v->getValue();
if ("{$val}" == '') {
// value is really empty. break the loop.
$v->setBreak(true);
// skip subsequent validations for empty values.
}
}
