As of Carbon 1.29 it is possible to do:
$period = CarbonPeriod::create('2018-06-14', '2018-06-20');
// Iterate over the period
foreach ($period as $date) {
echo $date->format('Y-m-d');
}
// Convert the period to an array of dates
$dates = $period->toArray();
See documentation for more details: https://carbon.nesbot.com/docs/#api-period.