checkout.php

<?php
/**
 * DokuWiki PayPal Express Checkout
 *
 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
 * @author     Martyn Eggleton <martyn.eggleton@gmail.com>
 */

if(!defined('DOKU_INC')) define('DOKU_INC', dirname(__FILE__).'/../../../');
define('DOKU_DISABLE_GZIP_OUTPUT', 1);
require_once(DOKU_INC.'inc/init.php');
session_write_close(); //close session

$oHelper =& $plugin_controller->load('helper','ppecdg');

require_once ("paypalfunctions.php");

#echo "\n<br><pre>\nconf =" .var_export($conf, TRUE)."</pre>";

$PaymentOption = "PayPal";
if ( $PaymentOption == "PayPal")
{
        // ==================================
        // PayPal Express Checkout Module
        // ==================================

	
	        
        //'------------------------------------
        //' The paymentAmount is the total value of 
        //' the purchase.
        //'
        //' TODO: Enter the total Payment Amount within the quotes.
        //' example : $paymentAmount = "15.00";
        //'------------------------------------

        $paymentAmount = "";
        
        
        //'------------------------------------
        //' The currencyCodeType  
        //' is set to the selections made on the Integration Assistant 
        //'------------------------------------
        $currencyCodeType = "GBP";
        $paymentType = "Sale";

        //'------------------------------------
        //' The returnURL is the location where buyers return to when a
        //' payment has been succesfully authorized.
        //'
        //' This is set to the value entered on the Integration Assistant 
        //'------------------------------------
        $returnURL = 'http://'.$oHelper->_sHost."lib/plugins/ppecdg/orderconfirm.php";
        
        //'------------------------------------
        //' The cancelURL is the location buyers are sent to when they hit the
        //' cancel button during authorization of payment during the PayPal flow
        //'
        //' This is set to the value entered on the Integration Assistant 
        //'------------------------------------
        $cancelURL = 'http://'.$oHelper->_sHost."lib/plugins/ppecdg/cancel.php";
        
        //'------------------------------------
        //' Calls the SetExpressCheckout API call
        //'
        //' The CallSetExpressCheckout function is defined in the file PayPalFunctions.php,
        //' it is included at the top of this file.
        //'-------------------------------------------------

        
		$items = array();
		$sName = '';
		$fAmount = 0;
		if(isset($_REQUEST['item_name']) && $_REQUEST['item_name'])
		{
		  $sName = $_REQUEST['item_name'];
		}
		
		if(isset($_REQUEST['item_amount']) && $_REQUEST['item_amount'])
		{
		  $fAmount = (float) $_REQUEST['item_amount'];
		}
		
		if($sName && $fAmount)
		{
		  $items[] = array('name' => $sName, 'amt' => $fAmount, 'qty' => 1);
		}
		else
		{
		    echo "Nothing Sent";
		    exit;
		}
		// assign corresponding item amounts to "$itemAmount1" and "$itemAmount2"
		// NOTE : sum of all the item amounts should be equal to payment  amount 

		$resArray = SetExpressCheckoutDG( $fAmount, $currencyCodeType, $paymentType, 
												$returnURL, $cancelURL, $items );

        $ack = strtoupper($resArray["ACK"]);
        if($ack == "SUCCESS" || $ack == "SUCCESSWITHWARNING")
        {
                $token = urldecode($resArray["TOKEN"]);
                 RedirectToPayPalDG( $token );
        } 
        else  
        {
                //Display a user friendly Error on the page using any of the following error information returned by PayPal
                $ErrorCode = urldecode($resArray["L_ERRORCODE0"]);
                $ErrorShortMsg = urldecode($resArray["L_SHORTMESSAGE0"]);
                $ErrorLongMsg = urldecode($resArray["L_LONGMESSAGE0"]);
                $ErrorSeverityCode = urldecode($resArray["L_SEVERITYCODE0"]);
                
                echo "SetExpressCheckout API call failed. ";
                echo "Detailed Error Message: " . $ErrorLongMsg;
                echo "Short Error Message: " . $ErrorShortMsg;
                echo "Error Code: " . $ErrorCode;
                echo "Error Severity Code: " . $ErrorSeverityCode;
        }
}

?>