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Add meta for any taxonomies. Meta is attached to taxonomy context and not terms, this way allow to have metas different for the same term on 2 different taxonomies. It's the better implementation for this feature.

This plugin don't any interface on WordPress ! Only somes methods for developpers.

This plugin propose many functions for terms :

• add_term_meta( $taxonomy = '', $term_id = 0, $meta_key = '', $meta_value = '', $unique = false )
• delete_term_meta( $taxonomy = '', $term_id = 0, $meta_key = '', $meta_value = '')
• get_term_meta( $taxonomy = '', $term_id = 0, $meta_key = '', $single = false )
• update_term_meta( $taxonomy = '', $term_id = 0, $meta_key, $meta_value, $prev_value = '' )

And many others functions term taxonomy context :

• add_term_taxonomy_meta( $term_taxonomy_id = 0, $meta_key = '', $meta_value = '', $unique = false )
• delete_term_taxonomy_meta( $term_taxonomy_id = 0, $meta_key = '', $meta_value = '')
• get_term_taxonomy_meta( $term_taxonomy_id = 0, $meta_key = '', $single = false )
• update_term_taxonomy_meta( $term_taxonomy_id = 0, $meta_key, $meta_value, $prev_value = '' )

And many others...

For full info go the Meta for taxonomies page.