- round: documentation ( source)
- date: documentation ( source)
<?php
$eachOffDuty = array();
$eachOffDuty['startTime'] = '1499990575';
$eachOffDuty['endTime'] = '1499990575';
$start_stamp = date("c", $eachOffDuty['startTime']);
$start_date = new DateTime($start_stamp);
$end_stamp = date("c", $eachOffDuty['endTime']);
$end_date = new DateTime($end_stamp);
print (int)eachOffDuty['startTime'];
$duration = round((int)($eachOffDuty['endTime'] - (int)$eachOffDuty['startTime']) / (60*60*24));