问多维表(超出工作表)为php数组。或者其他的想法？

EN

function getEcoPrice($distance, $persons, $doubleTour) {
$distance = ceil($distance); //round up to next integer

$startPrice = 69;
$endprice = $startPrice;

$amountPlusPerson = array(0, 0, 20, 20, 10, 10, 10, 10, 10); //first index is just for setting index = number of persons. value to add, if extra person.
$amountNextDistance = array(0, 10, 10, 10, 10, 10, 10, 10, 10); //first index is just for setting index = number of distance steps. value to add, if next distance is reached.
$amountDoubleTour = array(-20, -20, -20, -20, -20, -20, -20, -20, -20); //value to add, if doubleTour is enabled.

$index = 0;   

switch (true) {
    case $distance <= 130:            
        $index = 0;
        break;
    case $distance <= 160:
        $index = 1;
        break;
    case $distance <= 170:
        $index = 2;            
        break;
    case $distance <= 180:
        $index = 3;            
        break;
    case $distance <= 190:
        $index = 4;
        break;
    case $distance <= 200:
        $index = 5;
        break;
    case $distance <= 210:
        $index = 6;
        break;
    case $distance <= 220:
        $index = 7;
        break;
    case $distance <= 230:
        $index = 8;
        break;
    case $distance > 230:
        return 99999;
        break;
}

for($i = 0; $i <= $index; $i++) {
    $endprice += $amountNextDistance[$i];
};

for ($i = 0; $i <= $persons; $i++) {
    $endprice += $amountPlusPerson[$i];
}

if ($doubleTour) {
    $endprice = $endprice * 2 + $amountDoubleTour[$index];
}

return $endprice;
}

echo getEcoPrice(200.1, 2, false);