Method getRequestCacheKey

lib/Controller/OutputController.php:185–191

()

	}

	private function getRequestCacheKey(): ?string {
		$clientETag = $this->request->getHeader('If-None-Match');
		if ($clientETag === null || $clientETag === '') {
			return null;
		}
		return trim($clientETag, '"');
	}

	private function extractCacheMetadata(array $result): array {
		$cache = ['cacheable' => false, 'key' => null, 'notModified' => false];