From d95308cfe370d9a262d4cb2e2265668afd8fc0c9 Mon Sep 17 00:00:00 2001
From: Reio Remma <reio@mrstuudio.ee>
Date: Fri, 15 May 2026 01:11:11 +0300
Subject: [PATCH] Support Doctrine number type (BcMath\Number)

---
 extension.neon                                |  3 ++
 phpstan-baseline-dbal-4.neon                  | 12 +++++++
 src/Type/Doctrine/Descriptors/NumberType.php  | 31 +++++++++++++++++++
 .../Doctrine/ORM/EntityColumnRuleTest.php     |  2 ++
 4 files changed, 48 insertions(+)
 create mode 100644 src/Type/Doctrine/Descriptors/NumberType.php

diff --git a/extension.neon b/extension.neon
index 8e2bfcca..664102a2 100644
--- a/extension.neon
+++ b/extension.neon
@@ -373,6 +373,9 @@ services:
 	-
 		class: PHPStan\Type\Doctrine\Descriptors\JsonType
 		tags: [phpstan.doctrine.typeDescriptor]
+	-
+		class: PHPStan\Type\Doctrine\Descriptors\NumberType
+		tags: [phpstan.doctrine.typeDescriptor]
 	-
 		class: PHPStan\Type\Doctrine\Descriptors\ObjectType
 		tags: [phpstan.doctrine.typeDescriptor]
diff --git a/phpstan-baseline-dbal-4.neon b/phpstan-baseline-dbal-4.neon
index 2e0880ce..1ef9f0b5 100644
--- a/phpstan-baseline-dbal-4.neon
+++ b/phpstan-baseline-dbal-4.neon
@@ -30,6 +30,18 @@ parameters:
 			count: 1
 			path: src/Type/Doctrine/Query/QueryResultTypeWalker.php
 
+		-
+			message: '#^Class Doctrine\\DBAL\\Types\\NumberType not found\.$#'
+			identifier: class.notFound
+			count: 1
+			path: src/Type/Doctrine/Descriptors/NumberType.php
+
+		-
+			message: '#^Method PHPStan\\Type\\Doctrine\\Descriptors\\NumberType\:\:getType\(\) should return class\-string\<Doctrine\\DBAL\\Types\\Type\> but returns string\.$#'
+			identifier: return.type
+			count: 1
+			path: src/Type/Doctrine/Descriptors/NumberType.php
+
 		-
 			rawMessage: '''
 				Call to method __construct() of deprecated class Doctrine\ORM\Mapping\Driver\AnnotationDriver:
diff --git a/src/Type/Doctrine/Descriptors/NumberType.php b/src/Type/Doctrine/Descriptors/NumberType.php
new file mode 100644
index 00000000..311555da
--- /dev/null
+++ b/src/Type/Doctrine/Descriptors/NumberType.php
@@ -0,0 +1,31 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Type\Doctrine\Descriptors;
+
+use PHPStan\Type\ObjectType;
+use PHPStan\Type\Type;
+
+class NumberType implements DoctrineTypeDescriptor
+{
+
+	public function getType(): string
+	{
+		return \Doctrine\DBAL\Types\NumberType::class;
+	}
+
+	public function getWritableToPropertyType(): Type
+	{
+		return new ObjectType('BcMath\Number');
+	}
+
+	public function getWritableToDatabaseType(): Type
+	{
+		return new ObjectType('BcMath\Number');
+	}
+
+	public function getDatabaseInternalType(): Type
+	{
+		return (new ObjectType('BcMath\Number'))->toString();
+	}
+
+}
diff --git a/tests/Rules/Doctrine/ORM/EntityColumnRuleTest.php b/tests/Rules/Doctrine/ORM/EntityColumnRuleTest.php
index 5fd80dcc..a29a1d57 100644
--- a/tests/Rules/Doctrine/ORM/EntityColumnRuleTest.php
+++ b/tests/Rules/Doctrine/ORM/EntityColumnRuleTest.php
@@ -21,6 +21,7 @@
 use PHPStan\Type\Doctrine\Descriptors\EnumType;
 use PHPStan\Type\Doctrine\Descriptors\IntegerType;
 use PHPStan\Type\Doctrine\Descriptors\JsonType;
+use PHPStan\Type\Doctrine\Descriptors\NumberType;
 use PHPStan\Type\Doctrine\Descriptors\Ramsey\UuidTypeDescriptor as RamseyUuidTypeDescriptor;
 use PHPStan\Type\Doctrine\Descriptors\ReflectionDescriptor;
 use PHPStan\Type\Doctrine\Descriptors\SimpleArrayType;
@@ -95,6 +96,7 @@ protected function getRule(): Rule
 				new DecimalType(new DriverDetector()),
 				new JsonType(),
 				new IntegerType(),
+				new NumberType(),
 				new StringType(),
 				new SimpleArrayType(),
 				new EnumType(),