<?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',$stamp));
//$next_stamp = min($next_stamp, $end);
$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);
preferences:
36.75 ms | 402 KiB | 5 Q