What is the recommended approach to updating images on a webpage using PHP and JavaScript?

To update images on a webpage using PHP and JavaScript, the recommended approach is to use AJAX to send a request to the server to update the image dynamically without refreshing the page. This can be achieved by creating a PHP script that handles the image update process and using JavaScript to make an AJAX request to this script. 

<?php
// image_update.php
if(isset($_POST['image_url'])) {
    $image_url = $_POST['image_url'];
    
    // Update the image in the database or file system
    // Example: save the new image URL to a database
    
    echo json_encode(['success' => true]);
} else {
    echo json_encode(['success' => false, 'message' => 'Image URL not provided']);
}
?>

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