3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $currentTimeStamp = strtotime('-4 days'); $yesterdayTimeStamp = strtotime('-1 days', $currentTimeStamp); var_dump($currentTimeStamp, $yesterdayTimeStamp);
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.6
int(1498802772) int(1498716372)