Online PHP editor | refs for vBOkI

<?php function getDates(DateTime $date) { if ($date->format('d') == 20) { $nextMonth = clone $date; $nextMonth->modify('-1 day'); $nextMonth->modify('+1 month'); return [ 'start' => $date, 'end' => $nextMonth, ]; } else if ($date->format('d') == 19) { $lastMonth = clone $date; $lastMonth->modify('+1 day'); $lastMonth->modify('-1 month'); return [ 'start' => $lastMonth, 'end' => $date, ]; } } $date = new DateTime('2017-09-20'); var_dump(getDates($date)); $date = new DateTime('2017-09-19'); var_dump(getDates($date));