3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = "0100-02-01 00:00:00"; $b = strtotime($a); if ($b < 0) { $b = null; } echo $b;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0