Go to phpMyAdmin.
Then click on the database containing the table you want to add a row to.

Then click on the table you want to add a row to.

Then click on the Insert tab.

The following will appear.

Then click on the Insert tab. The following will appear.

Enter information into the columns/fields, except for id and timestamp. Leave id and timestamp blank. MySQL will fill those for you.
Below the last column/field, in this case timestamp, there is a Go button. Click the Go button.

A record has been added to the table items. Click on the table name items in the left column to see it.

There you have it. You now know how to use phpMyAdmin to add a row in a table.