Online PHP editor | refs for PG4pe

<?php print(date('Y W', strtotime('Monday', strtotime('yesterday')))."\n"); print(date('Y W', strtotime('Monday this week', strtotime('yesterday')))."\n"); print(date('Y W', strtotime('this Monday', strtotime('yesterday')))."\n"); print(date('Y W', strtotime('last Monday', strtotime('yesterday')))."\n");