Carbon_Fields\Datastore\Term_Meta_Datastore::init PHP Method

    public function init()
    {
        global $wpdb;
        // Setup termmeta table and hooks only once
        if (!empty($wpdb->termmeta)) {
            return;
        }
        $wpdb->termmeta = $wpdb->prefix . 'termmeta';
        self::create_table();
        // Delete all meta associated with the deleted term
        add_action('delete_term', array(__CLASS__, 'on_delete_term'), 10, 3);
    }