Yennefer of Vengerberg ;)

Author: staabm

src/Rules/Variables/UnsetRule.php

@@ -91,14 +91,12 @@ private function canBeUnset(Node $node, Scope $scope): ?IdentifierRuleError
 			}
 
 			if ($propertyReflection->isReadOnly() || $propertyReflection->isReadOnlyByPhpDoc()) {
-				$type = $scope->getType($node->var);
-
 				return RuleErrorBuilder::message(
 					sprintf(
-						'Cannot unset %s property %s of %s.',
+						'Cannot unset %s %s::$%s property.',
 						$propertyReflection->isReadOnly() ? 'readonly' : '@readonly',
-						$node->name->name,
-						$type->describe(VerbosityLevel::value()),
+						$propertyReflection->getDeclaringClass()->getDisplayName(),
+						$foundPropertyReflection->getName()
 					),
 				)
 					->line($node->getStartLine())

tests/PHPStan/Rules/Variables/UnsetRuleTest.php

@@ -96,27 +96,27 @@ public function testBug12421(): void
 	{
 		$this->analyse([__DIR__ . '/data/bug-12421.php'], [
 			[
-				'Cannot unset readonly property y of Bug12421\NativeReadonlyClass.',
+				'Cannot unset readonly Bug12421\NativeReadonlyClass::$y property.',
 				11,
 			],
 			[
-				'Cannot unset readonly property y of Bug12421\NativeReadonlyProperty.',
+				'Cannot unset readonly Bug12421\NativeReadonlyProperty::$y property.',
 				15,
 			],
 			[
-				'Cannot unset @readonly property y of Bug12421\PhpdocReadonlyClass.',
+				'Cannot unset @readonly Bug12421\PhpdocReadonlyClass::$y property.',
 				19,
 			],
 			[
-				'Cannot unset @readonly property y of Bug12421\PhpdocReadonlyProperty.',
+				'Cannot unset @readonly Bug12421\PhpdocReadonlyProperty::$y property.',
 				23,
 			],
 			[
-				'Cannot unset @readonly property y of Bug12421\PhpdocImmutableClass.',
+				'Cannot unset @readonly Bug12421\PhpdocImmutableClass::$y property.',
 				27,
 			],
 			[
-				'Cannot unset readonly property y of Bug12421\NativeReadonlyPropertySubClass.',
+				'Cannot unset readonly Bug12421\NativeReadonlyProperty::$y property.',
 				34,
 			],
 		]);