From 9abfd25765be177ddacf74a93123ecc9e9b2b9ef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Simon=20Andr=C3=A9?= <smn.andre@gmail.com>
Date: Tue, 30 Jul 2024 22:47:22 +0200
Subject: [PATCH] [Uid] Ensure UuidV1 is created in lowercase

---
 src/Symfony/Component/Uid/Tests/UuidTest.php | 9 +++++++++
 src/Symfony/Component/Uid/UuidV1.php         | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Uid/Tests/UuidTest.php b/src/Symfony/Component/Uid/Tests/UuidTest.php
index 1affd73af47f2..00a970dd65cc5 100644
--- a/src/Symfony/Component/Uid/Tests/UuidTest.php
+++ b/src/Symfony/Component/Uid/Tests/UuidTest.php
@@ -90,6 +90,15 @@ public function testV1()
         $this->assertSame('3499710062d0', $uuid->getNode());
     }
 
+    public function testV1IsLowerCase()
+    {
+        $uuid = new UuidV1();
+        $this->assertSame(strtolower((string) $uuid), (string) $uuid);
+
+        $uuid = new UuidV1('D9E7A184-5D5B-11EA-A62A-3499710062D0');
+        $this->assertSame(strtolower((string) $uuid), (string) $uuid);
+    }
+
     public function testV3()
     {
         $uuid = Uuid::v3(new UuidV4(self::A_UUID_V4), 'the name');
diff --git a/src/Symfony/Component/Uid/UuidV1.php b/src/Symfony/Component/Uid/UuidV1.php
index 9e92ff0661ba3..6132fd1f239ce 100644
--- a/src/Symfony/Component/Uid/UuidV1.php
+++ b/src/Symfony/Component/Uid/UuidV1.php
@@ -25,7 +25,7 @@ class UuidV1 extends Uuid
     public function __construct(?string $uuid = null)
     {
         if (null === $uuid) {
-            $this->uid = uuid_create(static::TYPE);
+            $this->uid = strtolower(uuid_create(static::TYPE));
         } else {
             parent::__construct($uuid, true);
         }