3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = strtotime('January'); print date('%Y-%m-%d', $x);
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
%2014-%01-%31
Output for 4.3.0 - 5.1.6
%1970-%01-%01