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// Remove or set to an empty string the array entries for receivers that you

// do not have

$receiverEmailArray = array(

'receiver0email',

'receiver1email',

'receiver2email',

'receiver3email',

'receiver4email',

'receiver5email'

);

// TODO - Specify the receiver amounts as the amount of money, for example, '5' or '5.55'

// Remove or set to an empty string the array entries for receivers that you

// do not have

$receiverAmountArray = array(

'receiver0amount',

'receiver1amount',

'receiver2amount',

'receiver3amount',

'receiver4amount',

'receiver5amount'

);

// TODO - Set ONLY 1 receiver in the array to 'true' as the primary receiver, and set the

// other receivers corresponding to those indicated in receiverEmailArray to

// 'false'. Make sure that you do NOT specify more values in this array than

// in the receiverEmailArray.

$receiverPrimaryArray = array(

'',

'',

'',

'',

'',

''

);

// TODO - Set invoiceId to uniquely identify the transaction associated with each receiver

// Set the array entries with value for receivers that you have each of the array

// Values must be unique across all Pay calls made by the caller's API credentials

$receiverInvoiceIdArray = array(

'',

'',

'',

'',

'',

''

);

// Request specific optional fields

// Provide a value for each field that you want to include in the request;

// if left as an empty string, the field will not be passed in the request

$senderEmail = ""; // TODO - If you are executing the Pay call against a preapprovalKey,

// you should set senderEmail

// It is not required if the web approval flow immediately

// follows this Pay call

$feesPayer = "";

$ipnNotificationUrl = "";

$memo = ""; // maxlength is 1000 characters

$pin = ""; // TODO - If you are executing the Pay call against an existing preapproval

// that requires a pin, then you must set this

$preapprovalKey = ""; // TODO - If you are executing the Pay call against an existing

// preapproval, set the preapprovalKey here

$reverseAllParallelPaymentsOnError = ""; // TODO - Do not specify for chained payment

$trackingId = generateTrackingID(); // generateTrackingID function is found

// in paypalplatform.php

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

// Make the Pay API call

//

// The CallPay function is defined in the paypalplatform.php file,

// which is included at the top of this file.

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

$resArray = CallPay ($actionType, $cancelUrl, $returnUrl, $currencyCode,

$receiverEmailArray, $receiverAmountArray, $receiverPrimaryArray,

$receiverInvoiceIdArray, $feesPayer, $ipnNotificationUrl, $memo,

$pin, $preapprovalKey, $reverseAllParallelPaymentsOnError,

$senderEmail, $trackingId

);

$ack = strtoupper($resArray["responseEnvelope.ack"]);

if($ack=="SUCCESS")

{

if ("" == $preapprovalKey)

{

// redirect for web approval flow

$cmd = "cmd=_ap-payment&paykey=" . urldecode($resArray["payKey"]);

RedirectToPayPal ( $cmd );

}

else

{

// The Pay API call was made for an existing preapproval agreement, so no approval

// flow follows.

// payKey is the key that you can use to identify the result from this Pay call.

$payKey = urldecode($resArray["payKey"]);

// paymentExecStatus is the status of the payment

$paymentExecStatus = urldecode($resArray["paymentExecStatus"]);

// Note that in order to get the exact status of the transactions resulting from

// a Pay API call, you should make the PaymentDetails API call for the payKey

}

}

else

{

//Display a user-friendly Error on the page using any of the following error information

//returned by PayPal.

//TODO - There can be more than 1 error, so check for "error(1).errorId",

// then "error(2).errorId", and so on until you find no more errors.

$ErrorCode = urldecode($resArray["error(0).errorId"]);

$ErrorMsg = urldecode($resArray["error(0).message"]);

$ErrorDomain = urldecode($resArray["error(0).domain"]);

$ErrorSeverity = urldecode($resArray["error(0).severity"]);

$ErrorCategory = urldecode($resArray["error(0).category"]);