3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $date = "12-16-2013"; var_dump(date('Y-m-d', $date));
Output for 5.1.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: A non well formed numeric value encountered in /in/9h7Bh on line 3 string(10) "1970-01-01"
Output for 4.3.0 - 5.0.5, hhvm-3.10.0 - 3.12.0
string(10) "1970-01-01"