<?php

error_reporting(E_ALL | E_STRICT);
define('MAGENTO_ROOT', getcwd());
$mageFilename = MAGENTO_ROOT . '/app/Mage.php';
require_once $mageFilename;
ini_set('display_errors', 1);
define('STORE_ID', 3);
Mage::app()->setCurrentStore(3);

function getOrderById($commandeId)
{
    $order = Mage::getModel('sales/order')->loadByIncrementId($commandeId);
    return $order->getShippingInclTax();
}

$filename = "NbCommande.csv";
$row = 0;
$col = 0;
$handle = @fopen($filename, "r");
if ($handle)
{
    while (($row = fgetcsv($handle, 0, ';')) !== false)
    {
        if (empty($fields))
        {
            $fields = $row;
            continue;
        }
        foreach ($row as $k => $value)
        {
            $results[$col][$fields[$k]] = $value;
        }
        $col++;
        unset($row);
    }
    if (!feof($handle))
    {
        echo "Erreur: fgets() échoue";
    }
    fclose($handle);
}
$tab = array();
foreach ($results as $val)
{
    extract($val);
    echo $commandeId . " : " . getOrderById($commandeId) . "<br/>";
}