Online PHP editor | refs for H030F

<?php $date1 = new DateTime("1980-11-21 00:00:00"); $date2 = new DateTime("1981-11-20 00:00:00"); var_dump($date1->diff($date2,true)->format("%Y-%m-%d %H:%i:%s")); var_dump($date2->diff($date1,true)->format("%Y-%m-%d %H:%i:%s")); var_dump($date1->diff($date2,true)->format("%Y-%m-%d %H:%i:%s") == $date2->diff($date1,true)->format("%Y-%m-%d %H:%i:%s"));