Online PHP editor | refs for SbjEU

@ 2019-09-11T04:52:12Z

<?php

$datetime1 = new DateTime('2017-09-01 23:00:00');
$datetime2 = new DateTime('2017-09-02 01:34:00');

$hours = round(($datetime2->getTimestamp() - $datetime1->getTimestamp()) / 3600  , 2);

echo $hours; //2.57