authzCode configuration for web-based applications

Author: mnovozhylov

src/Upwork/API/Client.php

@@ -107,11 +107,11 @@ public function auth()
         if (ApiConfig::get('mode') === 'web') {
             $aToken   = ApiConfig::get('accessToken');
             $rToken   = ApiConfig::get('refreshToken');
-            $authCode = ApiConfig::get('authCode');
+            $authzCode = ApiConfig::get('authzCode');
 
             !$aToken   || $this->_server->option('accessToken', $aToken);
             !$rToken   || $this->_server->option('refreshToken', $rToken);
-            !$authCode || $this->_server->option('authCode', $authCode);
+            !$authzCode || $this->_server->option('authzCode', $authzCode);
         }
 
         return $this->_server->auth();

src/Upwork/API/Config.php

@@ -46,7 +46,7 @@ final class Config
     /**
      * @var Authorization code from authorization screen
      */
-    static private $_code;
+    static private $_authzCode;
     /**
      * @var Application mode, i.e. web or nonweb
      */