获取两个日期之间的所有日期

function prDates($start, $end)
{
$array = array();
$dt_start = strtotime($start);
$dt_end = strtotime($end);
while ($dt_start <= $dt_end) {
$array[] = date('Y-m-d', $dt_start) . "\n";
$dt_start = strtotime('+1 day', $dt_start);
}
return $array;
}