core-bundle/src/HttpKernel/JwtManager.php
public function addResponseCookie(Response $response, array $payload = []): void
    {
        if ($this->hasCookie($response)) {
            return;
        }

        $payload['iat'] = time();
        $payload['exp'] = strtotime('+30 minutes');

        if (method_exists(Cookie::class, 'create')) {
            $cookie = Cookie::create(self::COOKIE_NAME, JWT::encode($payload, $this->secret));
        } else {
            // Backwards compatibility with symfony/http-foundation <4.2
            $cookie = new Cookie(self::COOKIE_NAME, JWT::encode($payload, $this->secret));
        }

        $response->headers->setCookie($cookie);
    }
public function addResponseCookie(Response $response, array $payload = []): void
    {
        if ($this->hasCookie($response)) {
            return;
        }

        $payload['iat'] = time();
        $payload['exp'] = strtotime('+30 minutes');

        if (method_exists(Cookie::class, 'create')) {
            $cookie = Cookie::create(self::COOKIE_NAME, JWT::encode($payload, $this->secret));
        } else {
            // Backwards compatibility with symfony/http-foundation <4.2
            $cookie = new Cookie(self::COOKIE_NAME, JWT::encode($payload, $this->secret));
        }

        $response->headers->setCookie($cookie);
    }
Adds the JWT cookie to the given response.