PHP with AJAX (Asynchronous JavaScript and XML)

PHP

AJAX Request to PHP

The core idea of AJAX working with PHP is shown below. It sends the JSON (JavaSript object notaion) data to backend:

If the JSON data is sent from JavaScript, PHP processes the sent by decoding it, which in turn the backend language sends the response back to JSON. Lastly, JSON handles the response.

Full Instance of PHP w. AJAX

Using the above code's basics, we can expand this into a working system:

By implementing this function, you no longer need to experience page refreshes after sumbitting a form, because AJAX is a system that sends response in real time.