public function save_meta_boxes( $topic_id ) {

		// Bail if doing an autosave
		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
			return $topic_id;
		}

		// Bail if not a post request
		if ( ! bbp_is_post_request() ) {
			return $topic_id;
		}

		// Check action exists
		if ( empty( $_POST['action'] ) ) {
			return $topic_id;
		}

		// Nonce check
		if ( empty( $_POST['bbp_topic_metabox'] ) || ! wp_verify_nonce( $_POST['bbp_topic_metabox'], 'bbp_topic_metabox_save' ) ) {
			return $topic_id;
		}

		// Bail if current user cannot edit this topic
		if ( ! current_user_can( 'edit_topic', $topic_id ) ) {
			return $topic_id;
		}

		// Get the forum ID
		$forum_id = ! empty( $_POST['parent_id'] ) ? (int) $_POST['parent_id'] : 0;

		// Get topic author data
		$anonymous_data = bbp_filter_anonymous_post_data();
		$author_id      = bbp_get_topic_author_id( $topic_id );
		$is_edit        = ( isset( $_POST['hidden_post_status'] ) && ( $_POST['hidden_post_status'] !== 'draft' ) );

		// Formally update the topic
		bbp_update_topic( $topic_id, $forum_id, $anonymous_data, $author_id, $is_edit );

		// Allow other fun things to happen
		do_action( 'bbp_topic_attributes_metabox_save', $topic_id, $forum_id       );
		do_action( 'bbp_author_metabox_save',           $topic_id, $anonymous_data );

		return $topic_id;
	}