- print_r: documentation ( source)
- iterator_to_array: documentation ( source)
<?php
$dt = new DateTime('today');
$dt->setISODate($dt->format('o'), $dt->format('W') + 1);
$periods = new DatePeriod($dt, new DateInterval('P1D'), 6);
$days = iterator_to_array($periods);
print_r($days);