3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $today = date('Y-m-d'); $yesterday = strtotime("-1 day", $today); echo $yesterday;
Output for 5.1.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: A non well formed numeric value encountered in /in/vlZ9i on line 3 -84386
Output for 4.3.0 - 4.4.9, 5.0.3 - 5.0.5, hhvm-3.10.0 - 3.12.0
-84386
Output for 5.0.0 - 5.0.2
-90000