//
// Send Desktop Notifications using PHP
//
require_once('Pubnub.php');
$pubnub = new Pubnub( $publish_key, $subscribe_key );
$info = $pubnub->publish(array(
    'channel' => 'notifications-channel',
    'message' => array(
        image => 'image.jpg',
        title => 'Title Text',
        body  => 'Content Body Text'
    )
));