Filter::setQuarter

public function setQuarter($quarter)
{
	if(!is_int($quarter))
	{
		$quarter = (int)$quarter;
	}

	if($quarter < 1 || $quarter > 4)
	{
		throw new Main\ArgumentOutOfRangeException('quarter', 1, 4);
	}

	$this->quarter = $quarter;
}