Create date range in PHP

date_range.php

<?php

function createDateRange(string $start, string $end, string $format = 'Y-m-d'): array
{
    $range = [];
    
    $interval = new DateInterval('P1D');
    $endDT = new DateTime($end);
    $endDT->add($interval);
    
    $period = new DatePeriod(new DateTime($start), $interval, $endDT);
    foreach($period as $date) {
        array_push($range, $date->format($format));   
    }
    
    return $range;
}