AMP_Post_Template::merge_data_for_key PHP Метод

    private function merge_data_for_key($key, $value)
    {
        if (is_array($this->data[$key])) {
            $this->data[$key] = array_merge($this->data[$key], $value);
        } else {
            $this->add_data_by_key($key, $value);
        }
    }