Php – Orders are being generated even after max number of orders is reached

Im writing a PHP scirpt that generates car orders of a random number until it reaches the max car order limit. The code works well on the first run but subsiqent runs it generates more cars than the max allowed. Generally about double of what i need, i’ve be been trying to figure this out for a while now but it keeps coming up with the same results. Below is the code

foreach ($industries as $industry) {
    $indyId = $industry['id'];
    $cars = getIndyCars($conn, $indyId);
    //$lastOrderNumber = getLastOrderNumber($conn, $indyId);
    $orderNumber = generateOrderNumber($conn, $indyId);
    $industryOrders = [];

    foreach ($cars as $car) {

        $id = $car['id'];
        $maxCars = $car['maxCars'];
        $loaded = $car['loaded'];
        $x = 1;
        $typeId = $car['carType'];
        $carsAlreadyOrdered = getCarsOrderd($conn, $id);
        /*
        * CARS ARE ORDERED ON A RANDOM SCALE BETWWEN THE MAX CARS AND CARS ALREADY ORDERED THEY WILL KEEP ORDERING BETWEEN THE AMOUNT OF CARS LEFT AND THE MAX CARS
        * EVENTUALLY ORDERES WILL BE PLACED ON A SCHEDULE BUT THAT WILL COME LATER. 
        */
        if ($carsAlreadyOrdered < $maxCars) {
        $remainingCars = $maxCars - $carsAlreadyOrdered;
        $remainingCars -= $carsOrdered;
        $carsOrdered = rand(0, $remainingCars);
        
if ($carsOrdered + $remainingCars > $maxCars) {
            $carsOrdered = 0;
        }
        $carOrders = [];
        

        echo '<b>' . $carsOrdered . ' Cars ordered for '.$id.'</b> '.$remainingCars.' left<br>';
        if ($carsOrdered !== 0) {
            $carsOrdered = $carsAlreadyOrdered + $carsOrdered;
            updateCarsOrdered($conn, $id, $carsOrdered);
        }else{
        updateCarsOrdered($conn, $id, $carsOrdered);
        }
        $filterCars = getLocalFilterCars($conn, $typeId, $indyId);

        if (is_array($filterCars) && count($filterCars) > 0) {
            echo "<td>";
            for ($x = 0; $x < $carsOrdered; $x++) {
                $randomCarIndex = mt_rand(0, count($filterCars) - 1);
                $randomCar = $filterCars[$randomCarIndex];
                //echo $randomCar['filteredCars'];
                $carId=$randomCar['filteredCars'];
                $carWeight = 0;

                if ($loaded == 1) {
                    $payload = getCarPayload($cdbconn, $randomCar['filteredCars']);
                    $carLoad = rand(1, $payload);
                    $carWeight = $carLoad;
                    $totalLoadWgt = (int)$totalLoadWgt + (int)$carLoad;
                } elseif ($loaded == 0) {
                    $tareWeight = getCarEmptyWeight($cdbconn, $randomCar['filteredCars']);
                    $carWeight = $tareWeight;
                    $totalEmptyWeight = (int)$totalEmptyWeight + (int)$tareWeight;
                }
                addOrder($conn, $orderNumber, $indyId, $id, $carId, $loaded, $carWeight);
               /* $carOrders[] = [
                    'car' => $randomCar['filteredCars'],
                    'loaded' => $loaded,
                    'payload' => $carWeight
                ];*/
            }
        }

/*        if (!empty($carOrders)) {
            $industryOrders[] = [
                'industryTypeId' => $id,
                'orders' => $carOrders
            ];
        }*/
    }//IF MAX CARS ORDERED
    else{
        echo "No cars ordered for".$id."<br>";
    }

    }//CarForeach*/

    if (!empty($industryOrders)) {
        ///$jsonIndustryOrders = json_encode($industryOrders);
        //addOrder($conn, $indyId, $id, $carId, $loaded, $carWeight);
        //addOrder($conn, $indyId, $jsonIndustryOrders);
    }
}

Functions – The first function gets the current car count from the database and the secound updates the car cound hen the order is generated.

function getCarsOrderd($conn, $indyId){
$sql = "SELECT * FROM industry_cars WHERE id =?;";
    $stmt = mysqli_stmt_init($conn);
 if (!mysqli_stmt_prepare($stmt, $sql)) {
    header("location: details.php?error=stmtfailed");
        exit();
 }
    mysqli_stmt_bind_param($stmt, "s", $indyId);
    mysqli_stmt_execute($stmt);

    $resultData = mysqli_stmt_get_result($stmt);
    if ($row = mysqli_fetch_assoc($resultData)){
        return $row['carsOrdered'];
    }else{
        $result = false;
        return $result;
}
}
function updateCarsOrdered($conn, $indyId, $carsOrdered){
        $sql = "UPDATE industry_cars SET carsOrdered = ? WHERE id=?;";
    $stmt = mysqli_stmt_init($conn);
 if (!mysqli_stmt_prepare($stmt, $sql)) {
    header("location: ../details.php?error=stmtfailed");//ssssss
        exit();
 }
    mysqli_stmt_bind_param($stmt, "ss", $carsOrdered, $indyId);
    mysqli_stmt_execute($stmt);
    mysqli_stmt_close($stmt);
}
function getIndustryOrders($conn, $indyId){
    $sql = "SELECT * FROM industryorders WHERE industryId = ?;";
    $stmt = mysqli_stmt_init($conn);
 if (!mysqli_stmt_prepare($stmt, $sql)) {
    header("location: details.php?error=stmtfailed");
        exit();
 }
 mysqli_stmt_bind_param($stmt, "s", $indyId);
    mysqli_stmt_execute($stmt);

    $resultData = mysqli_stmt_get_result($stmt);

    while ($result = mysqli_fetch_all($resultData, MYSQLI_ASSOC)) {
        return $result;
    }
}