需要帮助存储mysql中的复选框，单选按钮和下拉菜单数据

I am trying to have my form data stored in a mysql database. I want everything that the user types or clicks to be stored there. I am able to have my text fields stored in mysql successfully. I am having trouble figuring out how to send multiple check boxes, radio buttons, and drop down lists to mysql and have it stored there. I don't even know where to begin. Please help. I am trying to have my form data stored in a my