PayPal PHP Merchant SDK
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Prerequisites
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PayPal's PHP Merchant SDK requires 

 * PHP 5.2 and above with curl extension enabled
  

Using the SDK
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To use the SDK, 

* Copy the config and lib folders into your project.
* Make sure that the lib folder in your project is available in PHP's include path
* Include the services\PayPalAPIInterfaceService\PayPalAPIInterfaceServiceService.php file in your code.
* Create a service wrapper object
* Create a request object as per your project's needs. All the API request and response classes are available in services\PayPalAPIInterfaceService\PayPalAPIInterfaceServiceService.php
* Invoke the appropriate method on the request object.


For example,

	require_once('services/PayPalAPIInterfaceService/PayPalAPIInterfaceServiceService.php');	require_once('PPLoggingManager.php');
	
	$itemAmount = new BasicAmountType();
	$itemAmount->currencyID = $_REQUEST['currencyCode'];
	$itemAmount->value = $_REQUEST['itemAmount'];
	$setECReqType = new SetExpressCheckoutRequestType();
	$setECReqType->SetExpressCheckoutRequestDetails = $setECReqDetails;
	$setECReqType->Version = '86.0';
	$setECReq = new SetExpressCheckoutReq();
	$setECReq->SetExpressCheckoutRequest = $setECReqType;
	......

	$paypalService = new PayPalAPIInterfaceServiceService();
	$setECResponse = $paypalService->SetExpressCheckout($setECReq);
	
	$ack = strtoupper($setECResponse->Ack);
 
	if($ack == 'SUCCESS') {
		// Success
	}
  
 

SDK Configuration
-----------------

replace the API credential in config/sdk_config.ini . You can use the configuration file to configure

 * (Multiple) API account credentials.
 * Service endpoint and other HTTP connection parameters 


Please refer to the sample config file provided with this bundle.