The plugin follows WordPress Core theory and offers alternative to different approaches which also tend to be flexible but at the time hard and bloated.
As regular plugin. Upload the whole attachment-taxonomies folder to the wp-content plugins directory or download it through the WordPress backend..
Note that all code surveys under should be run not after the action hook and first than the plugins loaded or muplugins loaded if you use the plugin as must-use plugin hook..
As alternative you can create your own class for the taxonomy extending Attachment Taxonomy class provided by the plugin.
To remove one of the attachment taxonomies you will call the method remove taxonomy $taxonomy slug of the Attachment Taxonomies..
Then you can add it using the method add taxonomy $taxonomy $existing of Attachment Taxonomies with the part set to true..
They have to have the attachment taxonomy slug as the attribute like and list of term slugs or term IDs as value.
Note that there is usually UI in the backend for this and the preview in the director will not work well.
If you're developer and you have some view to improve the plugin or to solve bug feel free to raise number or submit send request in Github for the plugin..
Browse the code recheck out SVN repository or subscribe to the development log RSS....
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