Final answer:
To answer the student's question, an HTML page is needed with a form for name input, JavaScript to make an AJAX call, and a PHP script to check the name against the server-side array and return the details or a not found message.
Step-by-step explanation:
To create an AJAX client page that takes a user input of a person’s name and checks it against a server-side array, you will need HTML for the client-side and PHP for the server-side. First, set up an HTML form to capture the user input. Then, use JavaScript to make an asynchronous request to a PHP script on the server, which will check the array for the given name.
Your HTML page will include a form with an input field for the name, and a button to trigger the AJAX request. The JavaScript function for the AJAX will be triggered on the button click and will send the name to the PHP file. The PHP file will then process the request, look for the name in the array, and return the details if found, or a related message if not found. Finally, the response from the server will be handled in the JavaScript function and display the details or message on the web page accordingly.