php 获取开始日期与结束日期之间所有日期

/**
* 获取指定日期段内每一天的日期
* @param  Date  $startdate 开始日期
* @param  Date  $enddate   结束日期
* @return Array
*/
function getDateFromRange($startdate, $enddate){

$stimestamp = strtotime($startdate);
$etimestamp = strtotime($enddate);

// 计算日期段内有多少天
$days = ($etimestamp-$stimestamp)/86400+1;

// 保存每天日期
$date = array();

for($i=0; $i<$days; $i++){
$date[] = date('Y-m-d', $stimestamp+(86400*$i));
}

return $date;
}

$startdate = '2016-08-29';
$enddate = '2016-09-29';
// demo
$date = getDateFromRange($startdate,$enddate);
print_r($date);

Array

(

[0] => 2016-08-29

[1] => 2016-08-30

[2] => 2016-08-31

[3] => 2016-09-01

[4] => 2016-09-02

[5] => 2016-09-03

[6] => 2016-09-04

[7] => 2016-09-05

[8] => 2016-09-06

[9] => 2016-09-07

[10] => 2016-09-08

[11] => 2016-09-09

[12] => 2016-09-10

[13] => 2016-09-11

[14] => 2016-09-12

[15] => 2016-09-13

[16] => 2016-09-14

[17] => 2016-09-15

[18] => 2016-09-16

[19] => 2016-09-17

[20] => 2016-09-18

[21] => 2016-09-19

[22] => 2016-09-20

[23] => 2016-09-21

[24] => 2016-09-22

[25] => 2016-09-23

[26] => 2016-09-24

[27] => 2016-09-25

[28] => 2016-09-26

[29] => 2016-09-27

[30] => 2016-09-28

[31] => 2016-09-29

)