3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $date1 = '2000-01-25'; $date2 = '2010-02-20'; $ts1 = strtotime($date1); $ts2 = strtotime($date2); $year1 = date('Y', $ts1); $year2 = date('Y', $ts2); $month1 = date('m', $ts1); $month2 = date('m', $ts2); $diff = (($year2 - $year1) * 12) + ($month2 - $month1); var_dump($diff);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
int(121)