public function setDateOfBirth($v)
{
// keep only the date from the timestamp
$year = (int) date("Y", $v);
$day = (int) date("j", $v);
$month = (int) date("n", $v);
$dateOnly = mktime(0, 0, 0, $month, $day, $year);
parent::setDateOfBirth(date("Y-m-d", $dateOnly));
}
