DataProvider::setPeriod

public function setPeriod($from, $to)
{
	$key = '>=' . Provider\Base::DateCreate;
	unset($this->filter[$key]);
	if ($from)
	{
		$this->filter[$key] = $from;
	}

	$key = '<=' . Provider\Base::DateCreate;
	unset($this->filter[$key]);
	if ($to)
	{
		$this->filter[$key] = $to;
	}

	$this->dateFrom = $from;
	$this->dateTo = $to;

	return $this;
}