Incorrect data return when no image attached!

Hi,

First, thanks for nice and easy-to-use plugin!

I have a problem when I create a post with NO image attached for dynamic feature image plugin (only one image attached to native WP feature image). The data in Array is incorrect.

Here is how I query for the images.

// Get other featured images
                                    $attachments = $dynamic_featured_image->get_featured_images( $post->ID );

Here is the returned $attachments array.

Array
(
    [0] => Array
        (
            [thumb] => https://localhost/wp-content/uploads
            [full] => https://localhost/wp-content/uploads
            [attachment_id] =>
        )

)

It’s used to work for previous version 3.1.0 (return null for this case I think) but not for the latest version.

Any idea how to fix it?

Thanks

https://www.ads-software.com/plugins/dynamic-featured-image/