From 507f78d9c427899f65e89d97c223e4b8939eecef Mon Sep 17 00:00:00 2001
From: "Alexander M. Turek" <me@derrabus.de>
Date: Sun, 6 Jun 2021 00:40:16 +0200
Subject: [PATCH] Add ReturnTypeWillChange to JsonSerializable implementation

Signed-off-by: Alexander M. Turek <me@derrabus.de>
---
 src/Markup.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Markup.php b/src/Markup.php
index 974ed91ba..802b6a038 100644
--- a/src/Markup.php
+++ b/src/Markup.php
@@ -40,6 +40,7 @@ class Markup implements \Countable, \JsonSerializable
         return mb_strlen($this->content, $this->charset);
     }
 
+    #[\ReturnTypeWillChange]
     public function jsonSerialize()
     {
         return $this->content;