如何根据数据库值检查所有单选按钮？

I'm busy making a small comment system. I want users to be able to give ratings, besides giving comments, and right now i'm storing these rating values (that come from radio buttons) in the database. However, when I try to populate radio buttons with rating values for each comment from the database, the following script only checks the radio button that corresponds to the last value in the database.I'm busy making a small comment system. I want