protected function checkRatingValue($rating, $throwException = true)
    {
        if (!is_int($rating) || static::RATING_EXCELLENT < $rating || static::RATING_NONE > $rating) {
            if ($throwException) {
                throw new \InvalidArgumentException(sprintf('%s is not a valid rating value.', $rating));
            }
            return false;
        }
        return true;
    }
protected function checkRatingValue($rating, $throwException = true)
    {
        if (!is_int($rating) || static::RATING_EXCELLENT < $rating || static::RATING_NONE > $rating) {
            if ($throwException) {
                throw new \InvalidArgumentException(sprintf('%s is not a valid rating value.', $rating));
            }
            return false;
        }
        return true;
    }
protected function checkRatingValue ( $ rating , $ throwException = true ) { if ( ! is_int ( $ rating ) || static :: RATING_EXCELLENT < $ rating || static :: RATING_NONE > $ rating ) { if ( $ throwException ) { throw new \ InvalidArgumentException ( sprintf ( '%s is not a valid rating value.' , $ rating ) ) ; } return false ; } return true ; }
Checks if rating is a valid value.

@param int $rating
@param bool $throwException
@throws \InvalidArgumentException
@return bool
Checks if rating is a valid value .