RestContext::theResponseHasAField PHP Метод

    public function theResponseHasAField($name)
    {
        if ($this->responseIsJson) {
            if ($this->associative) {
                if (!is_array($this->responseData) || !array_key_exists($name, $this->responseData)) {
                    throw new \Exception('Field "' . $name . '" is not set!');
                }
            } else {
                if (!$this->responseData instanceof stdClass || !property_exists($this->responseData, $name)) {
                    throw new \Exception('Field "' . $name . '" is not set!');
                }
            }
        } else {
            return new Step\Then('the response is JSON');
        }
    }