Thank you for your assistance.
I set all of this up with the fabulous WebAssist online tutorials. For setting up the test server I used: Web development tutorial: Set up a test server on Mac OS
It tells me:
Step 2: Test the PHP Installation
You should test your PHP Installation to make sure everything is set up for you to load PHP pages on your local computer.
Navigate back to the http://localhost/MAMP/page you were at before.
Click the phpInfo option from the top navigation.
This page displays the login credentials for your MySQL database. The username (SuperUser), ‘root’ is created for you automatically and is the username you can use for accessing your MySQL database or creating a database connection.
If you see a PHP page similar to this, you have completed setting up your PHP/MySQL testing server.
So in the phpMyAdmin tad, I see User 'root'@'localhost'
And, in the Start tab I see:
Any clues as to what I'm doing wrong?
I'm under the impression that I've attached the php file. It showed me the spinning gear after I clicked Choose but I'm not seeing an acknowledgement that it's attached. If you think you need it and it's not here I'll get it to you by another method.
Many many thanks.