}
// Ist the given birthday valid?
- if (!$personellInstance->isDateValid($year, $month, $day)) {
+ if ($personellInstance->isDateValid($year, $month, $day) === false) {
// Something is wrong ...
throw new BirthdayInvalidException(array($year, $month, $day), self::EXCEPTION_BIRTH_DATE_IS_INVALID);
- }
+ } // END - if
// Set birthday
$personellInstance->setBirthday($year, $month, $day);