By using DateTimeUtil class method getDifference you can get date time difference . You need to pass parameter in function. Here its showing difference following way.
DateTimeUtil::getDifference(DateTimeUtil::getSystemDateTime(), table.DateTime);
Image may be NSFW.DateTimeUtil::getDifference(DateTimeUtil::getSystemDateTime(), table.DateTime);
Clik here to view.
Image may be NSFW.Clik here to view.
