/**
* Returns the quarter
*
* @param int|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
* @param bool $range if true returns a range in Y-m-d format
*
* @return int|array 1, 2, 3, or 4 quarter of year or array if $range true
* @see CakeTime::toQuarter()
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#formatting
*/
public function toQuarter($dateString, $range = FALSE)
{
return $this->_engine->toQuarter($dateString, $range);
}