$convertCurrencyReq = new ConvertCurrencyRequest(new RequestEnvelope("en_US"), $baseAmountList, $convertToCurrencyList);
if ($_POST['countryCode'] != "") {
    $convertCurrencyReq->countryCode = $_POST['countryCode'];
}
if ($_POST['conversionType'] != "" && $_POST['conversionType'] != "- Select -") {
    $convertCurrencyReq->conversionType = $_POST['conversionType'];
}
/*
* 	 ## Creating service wrapper object
Creating service wrapper object to make API call and loading
Configuration::getAcctAndConfig() returns array that contains credential and config parameters
*/
$service = new AdaptivePaymentsService(Configuration::getAcctAndConfig());
try {
    /* wrap API method calls on the service object with a try catch */
    $response = $service->ConvertCurrency($convertCurrencyReq);
} catch (Exception $ex) {
    require_once 'Common/Error.php';
    exit;
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>PayPal Adaptive Payments - Convert Currency</title>
<link href="Common/sdk.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="Common/sdk_functions.js"></script>
</head>

<body>
<div id="wrapper">
 public function convert()
 {
     $logger = new PPLoggingManager('ConvertCurrency');
     // ##ConvertCurrencyRequest
     // The ConvertCurrencyRequest message enables you to have your
     // application get an estimated exchange rate for a list of amounts.
     // This API operation does not affect PayPal balances.
     // The code for the language in which errors are returned, which must be
     // en_US.
     $requestEnvelope = new RequestEnvelope("en_US");
     // `CurrencyList` which takes two arguments:
     //
     // * `CurrencyCodeType` - The currency code. Allowable values are:
     // * Australian Dollar - AUD
     // * Brazilian Real - BRL
     // `Note:
     // The Real is supported as a payment currency and currency balance only
     // for Brazilian PayPal accounts.`
     // * Canadian Dollar - CAD
     // * Czech Koruna - CZK
     // * Danish Krone - DKK
     // * Euro - EUR
     // * Hong Kong Dollar - HKD
     // * Hungarian Forint - HUF
     // * Israeli New Sheqel - ILS
     // * Japanese Yen - JPY
     // * Malaysian Ringgit - MYR
     // `Note:
     // The Ringgit is supported as a payment currency and currency balance
     // only for Malaysian PayPal accounts.`
     // * Mexican Peso - MXN
     // * Norwegian Krone - NOK
     // * New Zealand Dollar - NZD
     // * Philippine Peso - PHP
     // * Polish Zloty - PLN
     // * Pound Sterling - GBP
     // * Singapore Dollar - SGD
     // * Swedish Krona - SEK
     // * Swiss Franc - CHF
     // * Taiwan New Dollar - TWD
     // * Thai Baht - THB
     // * Turkish Lira - TRY
     // `Note:
     // The Turkish Lira is supported as a payment currency and currency
     // balance only for Turkish PayPal accounts.`
     // * U.S. Dollar - USD
     // * `amount`
     $baseAmountList = new CurrencyList();
     $baseAmountList->currency[] = new CurrencyType("USD", "4.00");
     // `CurrencyCodeList` which contains
     //
     // * `Currency Code` - Allowable values are:
     // * Australian Dollar - AUD
     // * Brazilian Real - BRL
     // `Note:
     // The Real is supported as a payment currency and currency balance only
     // for Brazilian PayPal accounts.`
     // * Canadian Dollar - CAD
     // * Czech Koruna - CZK
     // * Danish Krone - DKK
     // * Euro - EUR
     // * Hong Kong Dollar - HKD
     // * Hungarian Forint - HUF
     // * Israeli New Sheqel - ILS
     // * Japanese Yen - JPY
     // * Malaysian Ringgit - MYR
     // `Note:
     // The Ringgit is supported as a payment currency and currency balance
     // only for Malaysian PayPal accounts.`
     // * Mexican Peso - MXN
     // * Norwegian Krone - NOK
     // * New Zealand Dollar - NZD
     // * Philippine Peso - PHP
     // * Polish Zloty - PLN
     // * Pound Sterling - GBP
     // * Singapore Dollar - SGD
     // * Swedish Krona - SEK
     // * Swiss Franc - CHF
     // * Taiwan New Dollar - TWD
     // * Thai Baht - THB
     // * Turkish Lira - TRY
     // `Note:
     // The Turkish Lira is supported as a payment currency and currency
     // balance only for Turkish PayPal accounts.`
     // * U.S. Dollar - USD
     $convertToCurrencyList = new CurrencyCodeList();
     $convertToCurrencyList->currencyCode[] = "GBP";
     // `ConvertCurrencyRequest` which takes params:
     //
     // * `Request Envelope` - Information common to each API operation, such
     // as the language in which an error message is returned
     // * `BaseAmountList` - A list of amounts with associated currencies to
     // be converted.
     // * `ConvertToCurrencyList` - A list of currencies to convert to.
     $convertCurrencyReq = new ConvertCurrencyRequest($requestEnvelope, $baseAmountList, $convertToCurrencyList);
     // ## Creating service wrapper object
     // Creating service wrapper object to make API call and loading
     // configuration file for your credentials and endpoint
     $service = new AdaptivePaymentsService();
     try {
         // ## Making API call
         // Invoke the appropriate method corresponding to API in service
         // wrapper object
         $response = $service->ConvertCurrency($convertCurrencyReq);
     } catch (Exception $ex) {
         $logger->error("Error Message : " . $ex->getMessage());
     }
     // ## Accessing response parameters
     // You can access the response parameters using getter methods in
     // response object as shown below
     // ### Success values
     if ($response->responseEnvelope->ack == "Success") {
         if ($response->estimatedAmountTable->currencyConversionList != null && sizeof($response->estimatedAmountTable->currencyConversionList) > 0) {
             $currencyConversionList = $response->estimatedAmountTable->currencyConversionList;
             foreach ($currencyConversionList as $fromCurrency) {
                 $logger->log("Amount to be Converted : " . $fromCurrency->baseAmount->amount . $fromCurrency->baseAmount->code);
                 $toCurrency = $fromCurrency->currencyList->currency;
                 foreach ($toCurrency as $convertedTo) {
                     $logger->log("Converted amount : " . $convertedTo->amount . $convertedTo->code);
                 }
             }
         }
     } else {
         $logger->error("API Error Message : " . $response->error[0]->message);
     }
     return $response;
 }