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$resArray=hash_call("SetExpressCheckout", $nvpstr);

$ack = strtoupper($resArray["ACK"]);

if($ack=="SUCCESS" || $ack=="SUCCESSWITHWARNING")

{

$token = urldecode($resArray["TOKEN"]);

$_SESSION['TOKEN']=$token;

}

return $resArray;

}

/*

'----------------------------------------------------------------------------------

' Purpose: Prepares the parameters for the SetExpressCheckout API Call.

' Inputs:

' paymentAmount: Total value of the shopping cart

' currencyCodeType: Currency code value the PayPal API

' paymentType: paymentType has to be one of the following values: Sale or Order or

' Authorization

' returnURL: The page where buyers return to after they are done with the payment

' review on PayPal

' cancelURL: The page where buyers return to when they cancel the payment review

' on PayPal

' shipToName: The Ship to Name entered on the merchant's site

' shipToStreet: The Ship to Street entered on the merchant's site

' shipToCity: the Ship to City entered on the merchant's site

' shipToState: The Ship to State entered on the merchant's site

' shipToCountryCode: The Code for Ship to Country entered on the merchant's site

' shipToZip: The Ship to ZipCode entered on the merchant's site

' shipToStreet2: The Ship to Street2 entered on the merchant's site

' phoneNum: The phoneNum entered on the merchant's site

'------------------------------------------------------------------------------------

*/

function CallMarkExpressCheckout( $paymentAmount, $currencyCodeType, $paymentType,

$returnURL, $cancelURL, $shipToName, $shipToStreet, $shipToCity,

$shipToState, $shipToCountryCode, $shipToZip, $shipToStreet2, $phoneNum

)

{

//---------------------------------------------------------------------------------

// Construct the parameter string that describes the SetExpressCheckout API call in

// the shortcut implementation

$nvpstr="&PAYMENTREQUEST_0_AMT=". $paymentAmount;

$nvpstr = $nvpstr . "&PAYMENTREQUEST_0_PAYMENTACTION=" . $paymentType;

$nvpstr = $nvpstr . "&RETURNURL=" . $returnURL;

$nvpstr = $nvpstr . "&CANCELURL=" . $cancelURL;

$nvpstr = $nvpstr . "&PAYMENTREQUEST_0_CURRENCYCODE=" . $currencyCodeType;

$nvpstr = $nvpstr . "&ADDROVERRIDE=1";

$nvpstr = $nvpstr . "&PAYMENTREQUEST_0_SHIPTONAME=" . $shipToName;

$nvpstr = $nvpstr . "&PAYMENTREQUEST_0_SHIPTOSTREET=" . $shipToStreet;

$nvpstr = $nvpstr . "&PAYMENTREQUEST_0_SHIPTOSTREET2=" . $shipToStreet2;

$nvpstr = $nvpstr . "&PAYMENTREQUEST_0_SHIPTOCITY=" . $shipToCity;

$nvpstr = $nvpstr . "&PAYMENTREQUEST_0_SHIPTOSTATE=" . $shipToState;

$nvpstr = $nvpstr . "&PAYMENTREQUEST_0_SHIPTOCOUNTRYCODE=" . $shipToCountryCode;

$nvpstr = $nvpstr . "&PAYMENTREQUEST_0_SHIPTOZIP=" . $shipToZip;

$nvpstr = $nvpstr . "&PAYMENTREQUEST_0_SHIPTOPHONENUM=" . $phoneNum;

$_SESSION["currencyCodeType"] = $currencyCodeType;

$_SESSION["PaymentType"] = $paymentType;

//'---------------------------------------------------------------------------------

//' Make the API call to PayPal

//' If the API call succeeded, then redirect the buyer to PayPal to begin to

//' authorize payment.

//' If an error occurred, show the resulting errors.

//'----------------------------------------------------------------------------------

$resArray=hash_call("SetExpressCheckout", $nvpstr);

$ack = strtoupper($resArray["ACK"]);

if($ack=="SUCCESS" || $ack=="SUCCESSWITHWARNING")

{

$token = urldecode($resArray["TOKEN"]);

$_SESSION['TOKEN']=$token;

}

return $resArray;

}

/*

'-------------------------------------------------------------------------------------

' Purpose: Prepares the parameters for the GetExpressCheckoutDetails API Call.

'

' Inputs:

' None

' Returns:

' The NVP Collection object of the GetExpressCheckoutDetails Call Response.

'-------------------------------------------------------------------------------------

*/

function GetShippingDetails( $token )

{

//'--------------------------------------------------------------

//' At this point, the buyer has finished authorizing the payment

//' on PayPal. The function will call PayPal to obtain the