is limited to %d "new (new ))" nesting to each other. You have %d nesting.'; /** * @var NodeFinder */ private $nodeFinder; /** * @var int */ private $maxNewClassNesting; public function __construct(NodeFinder $nodeFinder, int $maxNewClassNesting = 3) { $this->nodeFinder = $nodeFinder; $this->maxNewClassNesting = $maxNewClassNesting; } /** * @return string[] */ public function getNodeTypes(): array { return [New_::class]; } /** * @param New_ $node * @return string[] */ public function process(Node $node, Scope $scope): array { $countNew = count($this->nodeFinder->findInstanceOf($node, New_::class)); if ($this->maxNewClassNesting >= $countNew) { return []; } return [sprintf(self::ERROR_MESSAGE, $this->maxNewClassNesting, $countNew)]; } }