3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo date('Y-m-d',strtotime('-1 days','2014-07-02'));
Output for 5.1.0 - 7.1.0
Notice: A non well formed numeric value encountered in /in/jdU6E on line 2 1969-12-31
Output for 4.3.0 - 5.0.5
1969-12-31