Online PHP editor | refs for OJKfJ

<?php $dob = DateTimeImmutable::createFromFormat(DateTimeImmutable::ATOM, '1971-07-08T00:00:00+02:00'); echo $dob->format(DateTimeImmutable::ATOM); echo PHP_EOL; echo $dob->format('d.m.Y.'); echo PHP_EOL; echo 'null date:'; echo PHP_EOL; var_dump(DateTimeImmutable::createFromFormat(DateTimeImmutable::ATOM, null));