$FundingTypes = array('ECHECK', 'BALANCE', 'CREDITCARD');
// Funding constrainigs require advanced permissions levels.
$Receivers = array();
$Receiver = array('Amount' => '', 'Email' => '', 'InvoiceID' => '', 'PaymentType' => '', 'PaymentSubType' => '', 'Phone' => array('CountryCode' => '', 'PhoneNumber' => '', 'Extension' => ''), 'Primary' => '');
array_push($Receivers, $Receiver);
$SenderIdentifierFields = array('UseCredentials' => '');
$AccountIdentifierFields = array('Email' => '', 'Phone' => array('CountryCode' => '', 'PhoneNumber' => '', 'Extension' => ''));
// SetPaymentOptions
$SPOFields = array('PayKey' => '', 'ShippingAddressID' => '');
$DisplayOptions = array('EmailHeaderImageURL' => '', 'EmailMarketingImageURL' => '', 'HeaderImageURL' => '', 'BusinessName' => '');
$InstitutionCustomer = array('CountryCode' => '', 'DisplayName' => '', 'InstitutionCustomerEmail' => '', 'FirstName' => '', 'LastName' => '', 'InstitutionCustomerID' => '', 'InstitutionID' => '');
$SenderOptions = array('RequireShippingAddressSelection' => '');
// Begin loop to populate receiver options.
$ReceiverOptions = array();
$ReceiverOption = array('Description' => '', 'CustomID' => '');
$InvoiceData = array('TotalTax' => '', 'TotalShipping' => '');
$InvoiceItems = array();
$InvoiceItem = array('Name' => '', 'Identifier' => '', 'Price' => '', 'ItemPrice' => '', 'ItemCount' => '');
array_push($InvoiceItems, $InvoiceItem);
$ReceiverIdentifier = array('Email' => '', 'PhoneCountryCode' => '', 'PhoneNumber' => '', 'PhoneExtension' => '');
$ReceiverOption['InvoiceData'] = $InvoiceData;
$ReceiverOption['InvoiceItems'] = $InvoiceItems;
$ReceiverOption['ReceiverIdentifier'] = $ReceiverIdentifier;
array_push($ReceiverOptions, $ReceiverOption);
// End receiver options loop
$PayPalRequestData = array('PayRequestFields' => $PayRequestFields, 'ClientDetailsFields' => $ClientDetailsFields, 'FundingTypes' => $FundingTypes, 'Receivers' => $Receivers, 'SenderIdentifierFields' => $SenderIdentifierFields, 'AccountIdentifierFields' => $AccountIdentifierFields, 'SPOFields' => $SPOFields, 'DisplayOptions' => $DisplayOptions, 'InstitutionCustomer' => $InstitutionCustomer, 'SenderOptions' => $SenderOptions, 'ReceiverOptions' => $ReceiverOptions);
// Pass data into class for processing with PayPal and load the response array into $PayPalResult
$PayPalResult = $PayPal->PayWithOptions($PayPalRequestData);
// Write the contents of the response array to the screen for demo purposes.
echo '<pre />';
print_r($PayPalResult);
