3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo date('d-m-Y','2011-07-01');
Output for 5.1.0 - 7.1.7
Notice: A non well formed numeric value encountered in /in/m2gYi on line 3 01-01-1970
Output for 4.3.0 - 5.0.5
01-01-1970