From 8767ff8e7bd7563d2425df9043e602b75ec3508c Mon Sep 17 00:00:00 2001
From: Fabien Potencier <fabien@potencier.org>
Date: Sat, 26 Oct 2019 22:31:26 +0200
Subject: [PATCH] [Notifier] Set missing defaults

---
 src/Symfony/Component/Notifier/Notification/Notification.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Symfony/Component/Notifier/Notification/Notification.php b/src/Symfony/Component/Notifier/Notification/Notification.php
index 7e739eee41..ae90b387c0 100644
--- a/src/Symfony/Component/Notifier/Notification/Notification.php
+++ b/src/Symfony/Component/Notifier/Notification/Notification.php
@@ -38,8 +38,8 @@ class Notification
     public const IMPORTANCE_MEDIUM = 'medium';
     public const IMPORTANCE_LOW = 'low';
 
-    private $channels;
-    private $subject;
+    private $channels = [];
+    private $subject = '';
     private $content = '';
     private $emoji = '';
     private $exception;