Prevent subclassing AbstractMoney

brick · Oct 5, 2022 · fadaf6d · fadaf6d
1 parent 0d51018
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diff --git 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
@@ -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
 {