List dates in between a date range

dates_within_date_range.php

<?php

$start = "2016-03-1";
$end = "2016-03-20";

$dates_in_between = array();
while($start <= $end) {
	array_push($dates_in_between, $start);
	$start = date('Y-m-d', strtotime($start . " +1 day"));
}

echo "<pre>";
var_dump($dates_in_between);