是否有可能在ajax-php中以数组形式获得响应

I am new to ajax, i am trying to get the price and total depend of item selected ,i have tried to do this in my code .but one question arise,Is it possible to get response in array form in ajax-php .Because depending on item ,price and total will be displayed in the respected input boxes . is it possible?I am new to ajax, i am trying to get the price