Elgg\DeprecationWrapper::displayWarning PHP Метод

    protected function displayWarning()
    {
        // display 3 levels in the function stack to get back to original use
        // 1 for __get/__call/__toString()
        // 1 for displayWarning()
        // 1 for call_user_func()
        call_user_func($this->reporter, $this->message, $this->version, 3);
    }