From 1dff50dd7cfb9f3e40cf0f3ed1235c917f222d01 Mon Sep 17 00:00:00 2001
From: Mark Story <mark@mark-story.com>
Date: Mon, 2 Oct 2023 09:46:49 -0400
Subject: [PATCH] Restore Chronos::toNative()

This was accidently removed in the shuffle of #417 and #427

Fixes #432
---
 src/Chronos.php                         | 12 ++++++++++++
 tests/TestCase/DateTime/StringsTest.php |  9 +++++++++
 2 files changed, 21 insertions(+)

diff --git a/src/Chronos.php b/src/Chronos.php
index 4183d39..80d50b7 100644
--- a/src/Chronos.php
+++ b/src/Chronos.php
@@ -2580,6 +2580,18 @@ public function diffForHumans(?DateTimeInterface $other = null, bool $absolute =
         return static::diffFormatter()->diffForHumans($this, $other, $absolute);
     }
 
+    /**
+     * Returns a DateTimeImmutable instance
+     *
+     * This method returns a PHP DateTimeImmutable without Chronos extensions.
+     *
+     * @return \DateTimeImmutable
+     */
+    public function toNative(): DateTimeImmutable
+    {
+        return new DateTimeImmutable($this->format('Y-m-d H:i:s.u'), $this->getTimezone());
+    }
+
     /**
      * Get a part of the object
      *
diff --git a/tests/TestCase/DateTime/StringsTest.php b/tests/TestCase/DateTime/StringsTest.php
index 37eb170..775a387 100644
--- a/tests/TestCase/DateTime/StringsTest.php
+++ b/tests/TestCase/DateTime/StringsTest.php
@@ -213,4 +213,13 @@ public function testToWeek($date, $expected)
     {
         $this->assertSame($expected, (new Chronos($date))->toWeek());
     }
+
+    public function testToNative(): void
+    {
+        $c = Chronos::now();
+        $native = $c->toNative();
+        $this->assertSame($c->format(DATE_ATOM), $native->format(DATE_ATOM));
+        $this->assertEquals($c->getTimezone(), $native->getTimezone());
+        $this->assertEquals($c->format('u'), $native->format('u'));
+    }
 }