F4 Media Taxonomies

The built-in taxonomy category can be enabled with this snippet. Just put it into your functions.php:

add_action('init', function() {
    register_taxonomy_for_object_type('category', 'attachment');
});

The built-in taxonomy post_tag can be enabled with this snippet. Just put it into your functions.php:

add_action('init', function() {
    register_taxonomy_for_object_type('post_tag', 'attachment');
});

There are two ways to enable custom taxonomies for attachments:

New taxonomy:

If the taxonomy does not exist yet and you want to create a new one, you have to set the object_type in the register_taxonomy() function to attachment (see WordPress codex).

add_action('init', function() {
    register_taxonomy(
        'media-category',
        'attachment'
    );
});

Existing taxonomy:

If the taxonomy is already registered, you can assign it with this snippet. Just put it into your functions.php and change media-category to your taxonomy:

add_action('init', function() {
    register_taxonomy_for_object_type('media-category', 'attachment');
});

For a better performance, we only include the scripts and files when they are needed. Some plugins can cause a problem with this functionality.
For this case we offer a hook, which allows you to enable the filter for special conditions. If this hook returns true, the filter is enabled for the current site.

add_filter('F4/MT/Core/has_filter', function() {
    return true;
});

No. We simply use the taxonomies that are registered in the code. Maybe in the future, but we want to keep this plugin as lightweight and simple as possible.

Yes, absolutely!