Use UnionType directly instead of TypeCombinator::union for ClassStringType|ObjectWithoutClassType

phpstan-bot · claude · phpstan-bot · commit d2a90f692f38 · 2026-04-27T16:27:51.000Z
Co-Authored-By: Claude Opus 4.6 &lt;noreply@anthropic.com&gt;
diff --git a/src/Type/IntersectionType.php b/src/Type/IntersectionType.php
@@ -942,7 +942,7 @@ public function getOffsetValueType(Type $offsetType): Type
 			if ($callableArrayOffsetType->isSuperTypeOf($arrayKeyOffsetType)->yes()) {
 				$narrowedTypes = [];
 				if (!$arrayKeyOffsetType->isSuperTypeOf(new ConstantIntegerType(0))->no()) {
-					$narrowedTypes[] = TypeCombinator::union(new ClassStringType(), new ObjectWithoutClassType());
+					$narrowedTypes[] = new UnionType([new ClassStringType(), new ObjectWithoutClassType()]);
 				}
 				if (!$arrayKeyOffsetType->isSuperTypeOf(new ConstantIntegerType(1))->no()) {
 					$narrowedTypes[] = new StringType();

Original file line number	Diff line number	Diff line change
`@@ -942,7 +942,7 @@ public function getOffsetValueType(Type $offsetType): Type`
`942`	`942`	`if ($callableArrayOffsetType->isSuperTypeOf($arrayKeyOffsetType)->yes()) {`
`943`	`943`	`$narrowedTypes = [];`
`944`	`944`	`if (!$arrayKeyOffsetType->isSuperTypeOf(new ConstantIntegerType(0))->no()) {`
`945`		`- $narrowedTypes[] = TypeCombinator::union(new ClassStringType(), new ObjectWithoutClassType());`
	`945`	`+ $narrowedTypes[] = new UnionType([new ClassStringType(), new ObjectWithoutClassType()]);`
`946`	`946`	`}`
`947`	`947`	`if (!$arrayKeyOffsetType->isSuperTypeOf(new ConstantIntegerType(1))->no()) {`
`948`	`948`	`$narrowedTypes[] = new StringType();`