Online PHP editor | output for 3vaor

<?php $date = new DateTime('2019-04-05 12:34:56.123456'); $date1 = unserialize(serialize($date)); $date2 = new DateTime($date->format('Y-m-d H:i:s.u')); //print_r("start php version ".phpversion()); //print_r("\n"); //print_r("\n"); print_r("date==date1:"); print_r($date==$date1); print_r("\n"); print_r("date==date2:"); print_r($date==$date2); print_r("\n"); print_r("date1==date2:"); print_r($date1==$date2); print_r("\n"); print_r("finish");