Hello guys, i fixed the issue of the upload image button, it was a crash with some other plugins, so i just renamed the functions.
But for now i have another problem, i think it comes form the installation of a multi-site.
It loads the images, but it cant save them. the slider works but there are no images. the piece of code that saves the images to the database is
$gallery_images = (isset($_POST['gallery_img']) ? $_POST['gallery_img'] : '');
$gallery_images = strip_tags(json_encode($gallery_images));
update_post_meta($post_id, "_gallery_images", $gallery_images);
are there any changes to be made to this code in order to work on a multi-site