3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $start_time =date("Y-m-d H:i:s","+3 week");
based on tZsED
Output for 5.1.0 - 7.1.7
Notice: A non well formed numeric value encountered in /in/1SPO2 on line 2
Output for 4.3.0 - 5.0.5