NyholmPsr17Factory example

public function __construct(HttpClientInterface $client = null, ResponseFactoryInterface $responseFactory = null, StreamFactoryInterface $streamFactory = null)
    {
        $this->client = $client ?? HttpClient::create();
        $streamFactory ??= $responseFactory instanceof StreamFactoryInterface ? $responseFactory : null;
        $this->promisePool = class_exists(Utils::class) ? new \SplObjectStorage() : null;

        if (null === $responseFactory || null === $streamFactory) {
            if (class_exists(Psr17Factory::class)) {
                $psr17Factory = new Psr17Factory();
            } elseif (class_exists(NyholmPsr17Factory::class)) {
                $psr17Factory = new NyholmPsr17Factory();
            } else {
                throw new \LogicException('You cannot use the "Symfony\Component\HttpClient\HttplugClient" as no PSR-17 factories have been provided. Try running "composer require php-http/discovery psr/http-factory-implementation:*".');
            }

            $responseFactory ??= $psr17Factory;
            $streamFactory ??= $psr17Factory;
        }

        $this->responseFactory = $responseFactory;
        $this->streamFactory = $streamFactory;
        $this->waitLoop = new HttplugWaitLoop($this->client, $this->promisePool, $this->responseFactory, $this->streamFactory);
    }

private StreamFactoryInterface $streamFactory;

    public function __construct(HttpClientInterface $client = null, ResponseFactoryInterface $responseFactory = null, StreamFactoryInterface $streamFactory = null)
    {
        $this->client = $client ?? HttpClient::create();
        $streamFactory ??= $responseFactory instanceof StreamFactoryInterface ? $responseFactory : null;

        if (null === $responseFactory || null === $streamFactory) {
            if (class_exists(Psr17Factory::class)) {
                $psr17Factory = new Psr17Factory();
            } elseif (class_exists(NyholmPsr17Factory::class)) {
                $psr17Factory = new NyholmPsr17Factory();
            } else {
                throw new \LogicException('You cannot use the "Symfony\Component\HttpClient\Psr18Client" as no PSR-17 factories have been provided. Try running "composer require php-http/discovery psr/http-factory-implementation:*".');
            }

            $responseFactory ??= $psr17Factory;
            $streamFactory ??= $psr17Factory;
        }

        $this->responseFactory = $responseFactory;
        $this->streamFactory = $streamFactory;
    }

    

private readonly ResponseFactoryInterface $responseFactory;

    public function __construct(
        ServerRequestFactoryInterface $serverRequestFactory = null,
        StreamFactoryInterface $streamFactory = null,
        UploadedFileFactoryInterface $uploadedFileFactory = null,
        ResponseFactoryInterface $responseFactory = null,
    ) {
        if (null === $serverRequestFactory || null === $streamFactory || null === $uploadedFileFactory || null === $responseFactory) {
            $psr17Factory = match (true) {
                class_exists(DiscoveryPsr17Factory::class) => new DiscoveryPsr17Factory(),
                class_exists(NyholmPsr17Factory::class) => new NyholmPsr17Factory(),
                default => throw new \LogicException(sprintf('You cannot use the "%s" as no PSR-17 factories have been provided. Try running "composer require php-http/discovery psr/http-factory-implementation:*".', self::class)),
            };

            $serverRequestFactory ??= $psr17Factory;
            $streamFactory ??= $psr17Factory;
            $uploadedFileFactory ??= $psr17Factory;
            $responseFactory ??= $psr17Factory;
        }

        $this->serverRequestFactory = $serverRequestFactory;
        $this->streamFactory = $streamFactory;