3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $t = strtotime("February"); var_dump($t); echo date('F',$t);
Output for 5.2.0 - 7.1.0
int(1391900400) February
Output for 5.1.0 - 5.1.6
bool(false) January
Output for 4.3.0 - 5.0.5
int(-1) January