Functional\Exceptions\InvalidArgumentException::assertIntegerLessThanOrEqual PHP Method

    public static function assertIntegerLessThanOrEqual($value, $limit, $callee, $parameterPosition)
    {
        if (!is_integer($value) || $value > $limit) {
            throw new static(sprintf('%s() expects parameter %d to be an integer less than or equal to %d', $callee, $parameterPosition, $limit));
        }
    }

/**
 * Returns an infinite, traversable sequence that exponentially grows by given percentage
 *
 * @param integer $start
 * @param integer $percentage Integer between 1 and 100
 * @return ExponentialSequence
 * @throws InvalidArgumentException
 */
function sequence_exponential($start, $percentage)
{
    InvalidArgumentException::assertIntegerGreaterThanOrEqual($start, 1, __METHOD__, 1);
    InvalidArgumentException::assertIntegerGreaterThanOrEqual($percentage, 1, __METHOD__, 2);
    InvalidArgumentException::assertIntegerLessThanOrEqual($percentage, 100, __METHOD__, 2);
    return new ExponentialSequence($start, $percentage);
}