FluidTYPO3\Vhs\ViewHelpers\Once\AbstractOnceViewHelper::removeIfExpired PHP Метод

    protected function removeIfExpired()
    {
        $id = $this->getIdentifier();
        if (isset(self::$identifiers[$id]) && self::$identifiers[$id] <= time() - $this->arguments['ttl']) {
            unset(self::$identifiers[$id]);
        }
    }