3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(strtotime('1987-04-29') * 1000); var_dump(date('Y-m-d', 549255600));
based on L7MKW
Output for 4.3.0 - 7.2.0
int(546645600000) string(10) "1987-05-29"