labels = $labels; } public function __invoke( \WP_Term $term ) { $labels = $this->labels; return [ 'id' => $term->term_id, 'label' => $term->name, 'slug' => $term->slug, 'color' => get_term_meta( $term->term_id, $labels::FL_ASST_NOTATION_COLOR, true ), ]; } }