Gitamin\Services\TwigBridge\Extensions\DateTime::getFunctions PHP Метод

    public function getFunctions()
    {
        return [new Twig_SimpleFunction('diff_in_months', function ($dateTime, $now = null) {
            $dateTime = $this->toCarbon($dateTime);
            if (!$now) {
                $now = Carbon::now();
            } else {
                $now = $this->toCarbon($now);
            }
            return $now->diffInMonths($dateTime);
        })];
    }