*/ protected array $summarizers = []; /** * @param array | Summarizer $summarizers */ public function summarize(array | Summarizer $summarizers): static { foreach (Arr::wrap($summarizers) as $summarizer) { $summarizer->column($this); if (filled($id = $summarizer->getId())) { $this->summarizers[$id] = $summarizer; } else { $this->summarizers[] = $summarizer; } } return $this; } public function getSummarizer(string $id): ?Summarizer { return $this->getSummarizers()[$id] ?? null; } /** * @return array */ public function getSummarizers(): array { return $this->summarizers; } public function hasSummary(): bool { return (bool) count($this->summarizers); } }