Possibility to share favorites?

I tried forever to get this to work, as I wanted public pages of favourites. I finally sorted it, so I can save you some hassle.

You need to install Ultimate Member (its free) to get public profile pages:
https://en-gb.wordpress.org/plugins/ultimate-member/

Then you need to add some code to show the list:

$favorites = get_user_favorites($user_id = um_profile_id());

    if ( $favorites ) :

		$favorites_query = new WP_Query( array(
        'post_type' => 'post',
        'posts_per_page' => -1,
		'orderby'   => 'menu_order',
		'order' => 'ASC',
        'post__in' => $favorites
    ));

(add you own filers and post type etc)

the way I did it was to use this plugin:
https://wordpress.org/plugins/add-actions-and-filters/

and make a custom shortcode that does the above, then added that shortcode to my Ultimate Members profile page.

You can see an example profile page here:
http://canonkillerbase.com/user/Dale.A/

Finally I needed a plugin that would let users share on social media, I found that Jetpack didn’t work but ‘AddToAny Share Buttons’ did.