From fadaf6de29b35f7a9d6eb0ab5a420b94eee5af38 Mon Sep 17 00:00:00 2001
From: Benjamin Morel <benjamin.morel@gmail.com>
Date: Thu, 6 Oct 2022 00:06:51 +0200
Subject: [PATCH] Prevent subclassing AbstractMoney

---
 CHANGELOG.md          | 1 +
 src/AbstractMoney.php | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 28529b5..0d2d67e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 💥 **Breaking changes**
 
 - JSON extension is now required for PHP 7.4 (always available with PHP >= 8.0)
+- `AbstractMoney` is now officially sealed, extending it yourself is not supported
 
 ✨ **New features**
 
diff --git a/src/AbstractMoney.php b/src/AbstractMoney.php
index 6ad176f..eb1e915 100644
--- a/src/AbstractMoney.php
+++ b/src/AbstractMoney.php
@@ -14,6 +14,9 @@
 
 /**
  * Base class for Money and RationalMoney.
+ *
+ * Please consider this class sealed: extending this class yourself is not supported, and breaking changes (such as
+ * adding new abstract methods) can happen at any time, even in a minor version.
  */
 abstract class AbstractMoney implements MoneyContainer, JsonSerializable
 {