From f215ce52dbbf1ea1fe6a3911a72c2926710587e4 Mon Sep 17 00:00:00 2001
From: lyt <lyt@hainatravel.com>
Date: Fri, 29 Sep 2017 09:43:39 +0800
Subject: [PATCH] ipaylinks HTTP_REFERER notice

---
 webht/third_party/pay/controllers/iPayLinksService.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/webht/third_party/pay/controllers/iPayLinksService.php b/webht/third_party/pay/controllers/iPayLinksService.php
index 861be2e4..12ff910d 100644
--- a/webht/third_party/pay/controllers/iPayLinksService.php
+++ b/webht/third_party/pay/controllers/iPayLinksService.php
@@ -697,7 +697,7 @@ class IPayLinksService extends CI_Controller
             $ret->data = $respObject = (Object) $resp;
             $ref = "";
         } else {
-            $ref = $_SERVER['HTTP_REFERER'] ? $_SERVER['HTTP_REFERER'] : NULL;
+            $ref = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : NULL;
             $r = iconv("UTF-8", "UTF-8//IGNORE", $resp);
             $ret->data = $respObject = @ simplexml_load_string($resp);
             // test