[PSR] Fixed library source

- Using `php-cs-fixer` tool.

lib/PayPal/Core/PayPalConfigManager.php

@@ -95,7 +95,6 @@ class PayPalConfigManager
      */
     public function get($searchKey)
     {
-
         if (array_key_exists($searchKey, $this->configs)) {
             return $this->configs[$searchKey];
         } else {
@@ -108,7 +107,6 @@ class PayPalConfigManager
 
             return $arr;
         }
-
     }
 
     /**
@@ -123,7 +121,6 @@ class PayPalConfigManager
      */
     public function getIniPrefix($userId = null)
     {
-
         if ($userId == null) {
             $arr = array();
             foreach ($this->configs as $key => $value) {
@@ -157,7 +154,4 @@ class PayPalConfigManager
     {
         trigger_error('Clone is not allowed.', E_USER_ERROR);
     }
-
 }
-
-    

lib/PayPal/Core/PayPalCredentialManager.php

@@ -113,7 +113,6 @@ class PayPalCredentialManager
             $suffix++;
             $key = $prefix . $suffix;
         }
-
     }
 
     /**
@@ -146,7 +145,7 @@ class PayPalCredentialManager
     {
         if ($userId == null && array_key_exists($this->defaultAccountName, $this->credentialHashmap)) {
             $credObj = $this->credentialHashmap[$this->defaultAccountName];
-        } else if (array_key_exists($userId, $this->credentialHashmap)) {
+        } elseif (array_key_exists($userId, $this->credentialHashmap)) {
             $credObj = $this->credentialHashmap[$userId];
         }
 
@@ -164,5 +163,4 @@ class PayPalCredentialManager
     {
         trigger_error('Clone is not allowed.', E_USER_ERROR);
     }
-
 }

lib/PayPal/Core/PayPalHttpConfig.php

@@ -21,7 +21,7 @@ class PayPalHttpConfig
     public static $defaultCurlOptions = array(
         CURLOPT_SSLVERSION => 6,
         CURLOPT_CONNECTTIMEOUT => 10,
-        CURLOPT_RETURNTRANSFER => TRUE,
+        CURLOPT_RETURNTRANSFER => true,
         CURLOPT_TIMEOUT => 60,    // maximum number of seconds to allow cURL functions to execute
         CURLOPT_USERAGENT => 'PayPal-PHP-SDK',
         CURLOPT_HTTPHEADER => array(),

lib/PayPal/Core/PayPalHttpConnection.php

@@ -55,7 +55,6 @@ class PayPalHttpConnection
      */
     private function getHttpHeaders()
     {
-
         $ret = array();
         foreach ($this->httpConfig->getHeaders() as $k => $v) {
             $ret[] = "$k: $v";
@@ -78,8 +77,8 @@ class PayPalHttpConnection
         //Initialize Curl Options
         $ch = curl_init($this->httpConfig->getUrl());
         $options = $this->httpConfig->getCurlOptions();
-        if(empty($options[CURLOPT_HTTPHEADER])) {
-            unset ($options[CURLOPT_HTTPHEADER]);
+        if (empty($options[CURLOPT_HTTPHEADER])) {
+            unset($options[CURLOPT_HTTPHEADER]);
         }
         curl_setopt_array($ch, $options);
         curl_setopt($ch, CURLOPT_URL, $this->httpConfig->getUrl());
@@ -101,7 +100,7 @@ class PayPalHttpConnection
         }
 
         //Default Option if Method not of given types in switch case
-        if ($this->httpConfig->getMethod() != NULL) {
+        if ($this->httpConfig->getMethod() != null) {
             curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $this->httpConfig->getMethod());
         }
 
@@ -174,14 +173,14 @@ class PayPalHttpConnection
                 "Retried $retries times." . $result);
             $this->logger->debug("\n\n" . str_repeat('=', 128) . "\n");
             throw $ex;
-        } else if ($httpStatus < 200 || $httpStatus >= 300) {
+        } elseif ($httpStatus < 200 || $httpStatus >= 300) {
             $ex = new PayPalConnectionException(
                 $this->httpConfig->getUrl(),
                 "Got Http response code $httpStatus when accessing {$this->httpConfig->getUrl()}.",
                 $httpStatus
             );
             $ex->setData($result);
-            $this->logger->error("Got Http response code $httpStatus when accessing {$this->httpConfig->getUrl()}. " . $result );
+            $this->logger->error("Got Http response code $httpStatus when accessing {$this->httpConfig->getUrl()}. " . $result);
             $this->logger->debug("\n\n" . str_repeat('=', 128) . "\n");
             throw $ex;
         }
@@ -191,5 +190,4 @@ class PayPalHttpConnection
         //Return result object
         return $result;
     }
-
 }

lib/PayPal/Core/PayPalLoggingManager.php

@@ -116,5 +116,4 @@ class PayPalLoggingManager
             $this->logger->debug($message);
         }
     }
-
 }