[PSR] Fixed library source

- Using `php-cs-fixer` tool.

lib/PayPal/Cache/AuthorizationCache.php

@@ -20,7 +20,9 @@ abstract class AuthorizationCache
     public static function pull($config = null, $clientId = null)
     {
         // Return if not enabled
-        if (!self::isEnabled($config)) { return null; }
+        if (!self::isEnabled($config)) {
+            return null;
+        }
 
         $tokens = null;
         $cachePath = self::cachePath($config);
@@ -54,7 +56,9 @@ abstract class AuthorizationCache
     public static function push($config = null, $clientId, $accessToken, $tokenCreateTime, $tokenExpiresIn)
     {
         // Return if not enabled
-        if (!self::isEnabled($config)) { return; }
+        if (!self::isEnabled($config)) {
+            return;
+        }
 
         $cachePath = self::cachePath($config);
         if (!is_dir(dirname($cachePath))) {
@@ -116,6 +120,4 @@ abstract class AuthorizationCache
         $config = ($config && is_array($config)) ? $config : PayPalConfigManager::getInstance()->getConfigHashmap();
         return (array_key_exists($key, $config)) ? trim($config[$key]) : null;
     }
-
-
 }

lib/PayPal/Common/PayPalModel.php

@@ -1,6 +1,7 @@
 <?php
 
 namespace PayPal\Common;
+
 use PayPal\Validation\JsonValidator;
 use PayPal\Validation\ModelAccessorValidator;
 
@@ -67,7 +68,9 @@ class PayPalModel
     public static function getList($data)
     {
         // Return Null if Null
-        if ($data === null) { return null; }
+        if ($data === null) {
+            return null;
+        }
 
         if (is_a($data, get_class(new \stdClass()))) {
             //This means, root element is object

lib/PayPal/Common/PayPalUserAgent.php

@@ -21,7 +21,6 @@ class PayPalUserAgent
      */
     public static function getValue($sdkName, $sdkVersion)
     {
-
         $featureList = array(
             'platform-ver=' . PHP_VERSION,
             'bit=' . self::_getPHPBit(),

lib/PayPal/Common/ReflectionUtil.php

@@ -1,6 +1,7 @@
 <?php
 
 namespace PayPal\Common;
+
 use PayPal\Exception\PayPalConfigurationException;
 
 /**
@@ -120,7 +121,7 @@ class ReflectionUtil
             return null;
         }
         foreach ($annots[1] as $i => $annot) {
-            $annotations[strtolower($annot)] = empty($annots[2][$i]) ? TRUE : rtrim($annots[2][$i], " \t\n\r)");
+            $annotations[strtolower($annot)] = empty($annots[2][$i]) ? true : rtrim($annots[2][$i], " \t\n\r)");
         }
 
         return $annotations;

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;
         }
-
     }
 
     /**
@@ -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";
@@ -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());
         }
 
@@ -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);
         }
     }
-
 }

lib/PayPal/Exception/PayPalInvalidCredentialException.php

@@ -32,5 +32,4 @@ class PayPalInvalidCredentialException extends \Exception
             . ': <b>' . $this->getMessage() . '</b>';
         return $errorMsg;
     }
-
 }

lib/PayPal/Exception/PayPalMissingCredentialException.php

@@ -33,5 +33,4 @@ class PayPalMissingCredentialException extends \Exception
 
         return $errorMsg;
     }
-
 }

lib/PayPal/Handler/RestHandler.php

@@ -47,7 +47,6 @@ class RestHandler implements IPayPalHandler
      */
     public function handle($httpConfig, $request, $options)
     {
-
         $credential = $this->apiContext->getCredential();
         $config = $this->apiContext->getConfig();
 

lib/PayPal/Log/PayPalLogFactory.php

@@ -13,5 +13,4 @@ interface PayPalLogFactory
      * @return LoggerInterface instance of logger object implementing LoggerInterface
      */
     public function getLogger($className);
-
 }

lib/PayPal/Log/PayPalLogger.php

@@ -6,7 +6,6 @@ use PayPal\Core\PayPalConfigManager;
 use Psr\Log\AbstractLogger;
 use Psr\Log\LogLevel;
 
-
 class PayPalLogger extends AbstractLogger
 {
 

lib/PayPal/Security/Cipher.php

@@ -18,7 +18,7 @@ class Cipher
      */
     const IV_SIZE = 16;
 
-    function __construct($secretKey)
+    public function __construct($secretKey)
     {
         $this->secretKey = $secretKey;
     }
@@ -29,7 +29,7 @@ class Cipher
      * @param $input
      * @return string
      */
-    function encrypt($input)
+    public function encrypt($input)
     {
         // Create a random IV. Not using mcrypt to generate one, as to not have a dependency on it.
         $iv = substr(uniqid("", true), 0, Cipher::IV_SIZE);
@@ -45,7 +45,7 @@ class Cipher
      * @param $input
      * @return string
      */
-    function decrypt($input)
+    public function decrypt($input)
     {
         // Decode the IV + data
         $input = base64_decode($input);

lib/PayPal/Transport/PayPalRestCall.php

@@ -52,7 +52,6 @@ class PayPalRestCall
      */
     public function execute($handlers = array(), $path, $method, $data = '', $headers = array())
     {
-
         $config = $this->apiContext->getConfig();
         $httpConfig = new PayPalHttpConfig(null, $method, $config);
         $headers = $headers ? $headers : array();
@@ -75,5 +74,4 @@ class PayPalRestCall
 
         return $response;
     }
-
 }

lib/PayPal/Validation/NumericValidator.php

@@ -21,7 +21,6 @@ class NumericValidator
     {
         if (trim($argument) != null && !is_numeric($argument)) {
             throw new \InvalidArgumentException("$argumentName is not a valid numeric value");
-
         }
         return true;
     }