To update a PHP variable without reloading the page, you'll typically use AJAX (Asynchronous JavaScript and XML). Here's a step-by-step guide on how to achieve this:Step 1: Create a PHP ScriptCreate a PHP script (e.g., update.php) that handles the AJAX request and updates the variable. This script will receive data and can perform operations like updating a database or modifying a session variable.session_start(); // Start the session if you are using session variables
if (isset($_POST['newValue'])) {
...
