3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $start = strtotime('2014-09-01'); $end = strtotime('2014-09-01'); $stamp = $start; $months = array(); do { $next_stamp = mktime(0,0,0, date('n',$stamp)+1, 1, date('Y',$stamp)); $next_stamp = min($next_stamp, $end); $months[] = (ceil($next_stamp/3600/24)-floor($stamp/3600/24))/date('t', $stamp); $stamp = $next_stamp; } while ($stamp < $end); var_dump($months);
based on 9Ubfo
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(1) { [0]=> float(0.033333333333333) }