3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo date('m/d/Y', strtotime('first day of this month', time()));
based on hGJ83
Output for 5.3.0 - 7.2.0
05/01/2015
Output for 4.3.0 - 5.2.17
01/01/1970