向表添加行并发送到服务器，通过jquery将表发布到php

I'm trying to make a table where I can add a new row with a button click and then send the table to the server so it remembers the information on page refresh. Below is a button which successfully adds a row to a table with the current time. However, when I send the table to the server via the "Send to Server" button it does not echo back the updated table, only the original. It would be such a relief to get this figured out.I'm trying to make a table where I can add a ne