public static function finalDayOfWeek($ts = null)
	{
		return sfTime::subtractDay(sfTime::firstDayOfWeek(sfTime::addWeek($ts)));
	}
public static function finalDayOfWeek($ts = null)
	{
		return sfTime::subtractDay(sfTime::firstDayOfWeek(sfTime::addWeek($ts)));
	}
public static function finalDayOfWeek ( $ ts = null ) { return sfTime :: subtractDay ( sfTime :: firstDayOfWeek ( sfTime :: addWeek ( $ ts ) ) ) ; }
Returns the timestamp for last day of the week for the given date.

@param	timestamp
@return	timestamp
Returns the timestamp for last day of the week for the given date .