Moving apiContext creation to a function

sample/bootstrap.php

@@ -13,13 +13,22 @@ if(!file_exists(__DIR__ .'/vendor/autoload.php')) {
 
 require __DIR__ . '/vendor/autoload.php';
 require __DIR__ . '/common.php';
+
 use PayPal\Rest\ApiContext;
 use PayPal\Auth\OAuthTokenCredential;
 
+$apiContext = getApiContext();
 
 
+/**
+ * Helper method for getting an APIContext for all calls
+ *
+ * @return PayPal\Rest\ApiContext
+ */
+function getApiContext() {
+	
 	// ### Api context
-// Pass in a `PayPal\Rest\ApiContext` object to authenticate 
+	// Use an ApiContext object to authenticate 
 	// API calls. The clientId and clientSecret for the 
 	// OAuthTokenCredential class can be retrieved from 
 	// developer.paypal.com
@@ -34,8 +43,10 @@ $apiContext = new ApiContext(
 
 
 	// #### SDK configuration
+	
 	// Comment this line out and uncomment the PP_CONFIG_PATH
-// 'define' if you want to use a static file based configuration
+	// 'define' block if you want to use static file 
+	// based configuration
 
 	$apiContext->setConfig(
 		array(
@@ -46,6 +57,14 @@ $apiContext->setConfig(
 			'log.LogLevel' => 'FINE'
 		)
 	);
+	
+	/*
 	// Register the sdk_config.ini file in current directory
 	// as the configuration source.
-// define("PP_CONFIG_PATH", __DIR__);
+	if(!defined("PP_CONFIG_PATH")) {
+		define("PP_CONFIG_PATH", __DIR__);
+	}
+	*/
+
+	return $apiContext;
+}

sample/payments/RefundCapture.php

@@ -48,7 +48,7 @@ $refund->setAmount($amt);
 try {
 	// Create a new apiContext object so we send a new
 	// PayPal-Request-Id (idempotency) header for this resource
-	$apiContext = new ApiContext($apiContext->getCredential());
+	$apiContext = getApiContext();
 
 	$captureRefund = $capture->refund($refund, $apiContext);
 } catch (PayPal\Exception\PPConnectionException $ex) {