Online PHP editor | refs for dNGPm

<?php function datediffInWeeks($date1, $date2) { var_dump(date('W', date2) - date('W', date1)); if($date1 > $date2) return datediffInWeeks($date2, $date1); $first = DateTime::createFromFormat('m/d/Y', $date1); $second = DateTime::createFromFormat('m/d/Y', $date2); return floor($first->diff($second)->days/7) + 1; } var_dump(datediffInWeeks('11/11/2016', '11/13/2016'));