['direct_shopping'] and ['user_id']

mobile/plugins/payment/wxpay.php

@@ -260,6 +260,8 @@ class wxpay
         $jsApiParameters = json_encode($jsApiParameters);
         echo "\r\n direct_shopping: \r\n";
         var_dump($_SESSION['direct_shopping']);
+        echo "\r\n user_id: \r\n";
+        var_dump($_SESSION['user_id']);
 
 
         // wxjsbridge