Index: include/func/func.paypal.php
@@ -896,7 +896,7 @@
         }
 
         $access['test_mode']     = $payment_method['testmode'] == 'Y';
-        $access['currency']     = $payment_method['param03'];
+        $access['currency']     = func_paypal_get_currency($payment_method);
         $access['prefix']         = $payment_method['param06'];
         $access['protocol']     = $payment_method['protocol'];
     }
@@ -1616,4 +1616,112 @@
 
     return true;
 }
+
+/*
+ * Check if ItemTotal = sum(Amount*Quantity) and
+ * OrderTotal = ItemTotal + ShippingTotal + TaxTotal + HandlingTotal
+ */
+function func_paypal_is_line_items_allowed($cart, $pp_total = 0)
+{
+    if (empty($cart))
+        return array();
+
+    $pp_currency = func_paypal_get_currency();
+
+    if (empty($pp_total))
+        $pp_total = func_paypal_convert_to_BasicAmountType($cart["total_cost"], $pp_currency);
+
+    $result = array(
+        'OrderTotal' => $pp_total,
+        'ItemTotal' => $pp_total,
+        'ShippingTotal' => 0,
+        'TaxTotal' => 0,
+        'HandlingTotal' => 0
+    );
+
+    if (isset($cart['display_subtotal']))
+        $result['ItemTotal'] = $cart['display_subtotal'];
+   
+    if (isset($cart['display_shipping_cost']))
+        $result['ShippingTotal'] = $cart['display_shipping_cost'];
+
+    $delta = 0.0000000001;
+    $result['TaxTotal'] = $result['OrderTotal'] - $result['ItemTotal'] - $result['ShippingTotal'];
+
+    if (abs($result['TaxTotal']) < $delta)
+        $result['TaxTotal'] = 0;
+
+    settype($cart['products'], 'array');
+    $products_total = 0;
+    foreach ($cart['products'] as $p) {
+        $price = func_paypal_convert_to_BasicAmountType($p["display_price"], $pp_currency);
+        $products_total += $price * $p['amount'];
+    }
+
+    if (
+        $result['TaxTotal'] < 0
+        || abs($products_total - $result['ItemTotal']) > $delta
+    ) {
+        return array();
+    } else {
+        return $result;
+    }
+}
+
+function func_paypal_get_payment_details_items_soap($products)
+{
+   
+    if (empty($products))
+        return '';
+
+    x_load('clean_urls');
+
+    $pp_currency = func_paypal_get_currency();
+
+    $out = '';
+    foreach ($products as $p) {
+        $name = substr($p['product'], 0, 127);
+        $url = func_get_resource_url("P", $p['productid']);
+        
+        $amount = func_paypal_convert_to_BasicAmountType($p["display_price"], $pp_currency);
+        $out .= <<<EOT
+
+          <PaymentDetailsItem>
+            <Name>$name</Name>
+            <Amount currencyID="$pp_currency">$amount</Amount>
+            <Quantity>$p[amount]</Quantity>
+            <ItemURL>$url</ItemURL>
+          </PaymentDetailsItem>
+EOT;
+    }     
+
+    return $out . "\n";
+}
+
+function func_paypal_convert_to_BasicAmountType($val, $pp_curr='')
+{
+    settype($val, 'float');
+
+    if (empty($pp_curr))
+        $pp_curr = func_paypal_get_currency();
+
+    if (in_array($pp_curr, array('JPY','TWD','HUF'))) {
+        #bt:0089724
+        $new_val = sprintf("%0.2f", floor($val));
+    } else {
+        $new_val = sprintf("%0.2f", $val);
+    }
+
+    return $new_val;
+}
+
+function func_paypal_get_currency($params = array())
+{
+    if (empty($params)) {
+        global $module_params;
+        return isset($module_params['param03']) ? $module_params['param03'] : 'USD';
+    } else {
+        return isset($params['param03']) ? $params['param03'] : 'USD';
+    }
+}
 ?>