How can AJAX be used in conjunction with PHP to update content on a webpage without requiring a full page refresh?

To update content on a webpage without requiring a full page refresh, AJAX can be used in conjunction with PHP. This involves sending a request to a PHP script on the server, which processes the request and returns data back to the client-side JavaScript. The JavaScript then updates the content on the webpage dynamically without reloading the entire page. 

<?php
// PHP script to handle AJAX request
if(isset($_POST['data'])) {
    $data = $_POST['data'];
    
    // Process the data (e.g. query a database)
    
    // Return the updated content
    echo $updatedContent;
}
?>

Keywords

AJAX PHP webpage content update full page refresh

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