From 37433ac4502311c6be030be4dba45384b9622a0b Mon Sep 17 00:00:00 2001
From: Sergey Panteleev <sergey@php.net>
Date: Thu, 21 Oct 2021 10:55:41 +0300
Subject: [PATCH] Bug #81458: Add test

---
 ext/date/tests/bug81458.phpt | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 ext/date/tests/bug81458.phpt

diff --git a/ext/date/tests/bug81458.phpt b/ext/date/tests/bug81458.phpt
new file mode 100644
index 0000000000000..4cf4e3fdfd843
--- /dev/null
+++ b/ext/date/tests/bug81458.phpt
@@ -0,0 +1,15 @@
+--TEST--
+Bug #81458: Incorrect difference after timezone change
+--FILE--
+<?php
+
+$first = (new DateTime('2018-07-01 00:00:00.000000 America/Toronto'))
+    ->setTimezone(new DateTimeZone('UTC'));
+$second = new DateTime('2018-07-02 00:00:00.000000 America/Toronto');
+
+var_dump($first->diff($second)->days);
+var_dump($first->diff($second)->d);
+?>
+--EXPECT--
+int(1)
+int(1)