function CreateTransaction($transactionType, $itemArray, $details)
{
$payer = new Payer();
$payer->setPaymentMethod($GLOBALS['PAYPAL']['payment_method']);
$itemList = new ItemList();
$itemList->setItems($itemArray);
$amount = new Amount();
$amount->setCurrency($GLOBALS['PAYPAL']['currency'])->setTotal(GetDetailsTotal($details))->setDetails($details);
$transaction = new Transaction();
$transaction->setAmount($amount)->setItemList($itemList)->setDescription($GLOBALS['TRANSACTION_TYPE']['DONATION']['payment_desc'])->setInvoiceNumber(uniqid());
$redirectUrls = new RedirectUrls();
$redirectUrls->setReturnUrl($GLOBALS['TRANSACTION_TYPE']['DONATION']['return_url'])->setCancelUrl($GLOBALS['TRANSACTION_TYPE']['DONATION']['cancel_url']);
$payment = new Payment();
$payment->setIntent($GLOBALS['TRANSACTION_TYPE']['DONATION']['intent'])->setPayer($payer)->setRedirectUrls($redirectUrls)->setTransactions(array($transaction));
$request = clone $payment;
try {
$payment->create($GLOBALS['PAYPAL']['api_context']);
} catch (Exception $ex) {
ResultPrinter::printError("Created Payment Using PayPal. Please visit the URL to Approve.", "Payment", null, $request, $ex);
return false;
}
$approvalUrl = $payment->getApprovalLink();
echo $approvalUrl;
return array('request' => $request, 'payment' => $payment, 'approvalUrl' => $approvalUrl);
}