/**
* Returns true if given datetime string was yesterday.
*
* @param int|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
* @param string|DateTimeZone $timezone User's timezone string or DateTimeZone object
*
* @return bool True if datetime string was yesterday
* @see CakeTime::wasYesterday()
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#testing-time
*/
public function wasYesterday($dateString, $timezone = NULL)
{
return $this->_engine->wasYesterday($dateString, $timezone);
}
