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<?php $start = strtotime('2014-09-15'); $end = strtotime('2014-11-15'); $stamp = $start; $months = array(); do { $next_stamp = mktime(0,0,0, date('n',$stamp)+1, 1, date('Y',$stamp)); $months[] = date('Y-m-d H:i:s', $next_stamp)." ".date('Y-m-d H:i:s', $stamp).floor(($next_stamp-$stamp)/3600/24)/date('t', $stamp)." ".date('t', $stamp)." ".($next_stamp-$stamp); $stamp = $next_stamp; } while ($stamp <= $end); var_dump($months);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(3) { [0]=> string(66) "2014-10-01 00:00:00 2014-09-15 00:00:000.53333333333333 30 1382400" [1]=> string(51) "2014-11-01 00:00:00 2014-10-01 00:00:001 31 2682000" [2]=> string(51) "2014-12-01 00:00:00 2014-11-01 00:00:001 30 2592000" }
Output for 7.3.32 - 7.3.33, 8.0.13
array(3) { [0]=> string(66) "2014-10-01 00:00:00 2014-09-15 00:00:000.53333333333333 30 1382400" [1]=> string(51) "2014-11-01 00:00:00 2014-10-01 00:00:001 31 2678400" [2]=> string(51) "2014-12-01 00:00:00 2014-11-01 00:00:001 30 2592000" }

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