Piwik\Twig::addFilter_sumTime PHP Method

    protected function addFilter_sumTime()
    {
        $formatter = $this->formatter;
        $sumtimeFilter = new Twig_SimpleFilter('sumtime', function ($numberOfSeconds) use($formatter) {
            return $formatter->getPrettyTimeFromSeconds($numberOfSeconds, true);
        });
        $this->twig->addFilter($sumtimeFilter);
    }