From 55e9d162208bed39696990561a87859456bde1ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=AE=89=E6=AD=A3=E8=B6=85?= <anzhengchao@gmail.com>
Date: Fri, 10 Aug 2018 15:25:20 +0800
Subject: [PATCH] Fix PHP 5.6

---
 src/Gateways/SubmailGateway.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Gateways/SubmailGateway.php b/src/Gateways/SubmailGateway.php
index d8c2bc9..41059e6 100644
--- a/src/Gateways/SubmailGateway.php
+++ b/src/Gateways/SubmailGateway.php
@@ -48,7 +48,7 @@ class SubmailGateway extends Gateway
         $result = $this->post($endpoint, [
             'appid' => $config->get('app_id'),
             'signature' => $config->get('app_key'),
-            'project' => $data['project'] ?? $config->get('project'),
+            'project' => !empty($data['project']) ? $data['project'] : $config->get('project'),
             'to' => $to->getUniversalNumber(),
             'vars' => json_encode($data, JSON_FORCE_OBJECT),
         ]);
-- 
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