JSON (Java Script Object Notation) is a lightweight text-based data format that helps to interchange data easily between modern applications. At the same time, JSON is used by the NoSQL (Microsoft Azure Cosmos DB, CouchDB, etc.) databases to store the unstructured data. The small data size is the main feature of the JSON and this property enables to an interchange of the data easily between the applications. At the same time, JSON offers the following advantages:
The JSON data structure is easily readable by ...
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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'])) {
...
