3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $utc_offset = 946684800000; $prc_str = "1AF44B00"; $t = base_convert($prc_str,16,10); echo $t." ".gmdate("Y-m-d H:i:s", $t)."\r\n"; $t = $t + $utc_offset; echo $t." ".gmdate("Y-m-d H:i:s", $t)."\r\n"; ?>
based on PGZKR
Output for 4.3.0 - 7.1.0
452217600 1984-05-01 00:00:00 947137017600 31983-07-31 00:00:00