- var_dump: documentation ( source)
<?php
$start = new \DateTime();
$end = clone $start;
$end->modify('+5 days');
$interval = $start->diff($end);
$daterange = new DatePeriod($start, $interval , 1);
$return['days'] = array();
foreach($daterange as $date){
$return['days'][] = $date->format("Y-m-d");
}
var_dump($return);