Online PHP editor | output for qoDOr

@ 2018-10-23T14:11:26Z

<?php

$nums = [];

for ($i = 1; $i <= 24; $i++) {
    $nums[] = $i;
}

$days = [];
foreach ($nums as $num) {
    $day = array_rand($nums);
    $days[$day] = $day;
    unset($nums[$day]);
}