Dingo\Api\Http\RequestValidator::validateRequest PHP Method

    public function validateRequest(IlluminateRequest $request)
    {
        $passed = false;
        foreach ($this->validators as $validator) {
            $validator = $this->container->make($validator);
            if ($validator instanceof Validator && $validator->validate($request)) {
                $passed = true;
            }
        }
        // The accept validator will always be run once any of the previous validators have
        // been run. This ensures that we only run the accept validator once we know we
        // have a request that is targeting the API.
        if ($passed) {
            $this->container->make(Accept::class)->validate($request);
        }
        return $passed;
    }