get dates between two dates using specific interval using carbon
$period = CarbonPeriod::since('2021-06-01')->days(3)->until('2021-06-30')->toArray();
$period2 = CarbonInterval::days(3)->toPeriod('2021-06-01', '2021-06-30')->toArray();
foreach($period as $val){
echo $val;
echo '<br>';
}