From 53deda2884c706c584481daa2572340f29b48c9e Mon Sep 17 00:00:00 2001
From: Markus Staab <markus.staab@redaxo.de>
Date: Thu, 17 Jul 2025 14:55:27 +0200
Subject: [PATCH 1/2] Added regression test

---
 ...InternalStaticMethodUsageExtensionTest.php |  6 ++++++
 .../Rules/InternalTag/data/bug-13210.php      | 20 +++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 tests/PHPStan/Rules/InternalTag/data/bug-13210.php

diff --git a/tests/PHPStan/Rules/InternalTag/RestrictedInternalStaticMethodUsageExtensionTest.php b/tests/PHPStan/Rules/InternalTag/RestrictedInternalStaticMethodUsageExtensionTest.php
index 72f38a688c..64dd04f295 100644
--- a/tests/PHPStan/Rules/InternalTag/RestrictedInternalStaticMethodUsageExtensionTest.php
+++ b/tests/PHPStan/Rules/InternalTag/RestrictedInternalStaticMethodUsageExtensionTest.php
@@ -76,4 +76,10 @@ public function testNoNamespace(): void
 		]);
 	}
 
+	public function testBug13210(): void
+	{
+		$this->analyse([__DIR__ . '/data/bug-13210.php'], [
+		]);
+	}
+
 }
diff --git a/tests/PHPStan/Rules/InternalTag/data/bug-13210.php b/tests/PHPStan/Rules/InternalTag/data/bug-13210.php
new file mode 100644
index 0000000000..090fbf2beb
--- /dev/null
+++ b/tests/PHPStan/Rules/InternalTag/data/bug-13210.php
@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * @internal
+ *
+ * @readonly
+ */
+final class DBInternal
+{
+	public static function phpValueToSql(int|string|BackedEnum|null $phpValue): string
+	{
+		return match (true) {
+			$phpValue === null => 'NULL',
+			is_string($phpValue) => "''",
+			is_int($phpValue) => (string)$phpValue,
+			$phpValue instanceof BackedEnum => self::phpValueToSql($phpValue->value),
+		};
+	}
+
+}

From 584ba3c03b0a76fb47ebd0e2715782f9ce86db11 Mon Sep 17 00:00:00 2001
From: Markus Staab <markus.staab@redaxo.de>
Date: Thu, 17 Jul 2025 14:58:36 +0200
Subject: [PATCH 2/2] cs

---
 .../RestrictedInternalStaticMethodUsageExtensionTest.php       | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tests/PHPStan/Rules/InternalTag/RestrictedInternalStaticMethodUsageExtensionTest.php b/tests/PHPStan/Rules/InternalTag/RestrictedInternalStaticMethodUsageExtensionTest.php
index 64dd04f295..5fd7b6639a 100644
--- a/tests/PHPStan/Rules/InternalTag/RestrictedInternalStaticMethodUsageExtensionTest.php
+++ b/tests/PHPStan/Rules/InternalTag/RestrictedInternalStaticMethodUsageExtensionTest.php
@@ -78,8 +78,7 @@ public function testNoNamespace(): void
 
 	public function testBug13210(): void
 	{
-		$this->analyse([__DIR__ . '/data/bug-13210.php'], [
-		]);
+		$this->analyse([__DIR__ . '/data/bug-13210.php'], []);
 	}
 
 }