pocketmine\command\defaults\CaveCommand::ranz PHP Метод

    public function ranz($a)
    {
        $n = [];
        $j = 0;
        for ($m = 0; $m < $a; $m++) {
            $n[] = mt_rand(0, 999) / 1000 - 1;
        }
        for ($m = 0; $m < $a; $m++) {
            foreach ($n as $q) {
                $min = min($n);
                if ($n[$q] == $min) {
                    $n[$q] = $j;
                    $j++;
                    break;
                }
            }
        }
        return $n;
    }