{dr_sku_price2($r.price_sku, 2, ' ~ ')}

function dr_sku_price2($value, $number = 2, $join = ' - ', $zhe = 0) {

    $value = dr_string2array($value);
    if (!$value || !is_array($value['value'])) {
        return 0;
    }

    $price = [];
    $number = (int)$number;
    foreach ($value['value'] as $t) {
        if($t['price']){
            $price[] = (float)$t['price'];
        }
    }

    $min = min($price);
    $max = max($price);
    if ($zhe) {
        $min = dr_zhe_price($min, $zhe);
        $max = dr_zhe_price($max, $zhe);
    }

    if ($min == $max) {
        return number_format($min, $number);
    } else {
        return number_format($min, $number).$join.number_format($max, $number);
    }
}