BBP_Topics_Admin::attributes_metabox_save( int $topic_id )

	public function attributes_metabox_save( $topic_id ) {

		if ( $this->bail() ) return $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;

		// 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        = (bool) isset( $_POST['save'] );

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

		// Stickies
		if ( !empty( $_POST['bbp_stick_topic'] ) && in_array( $_POST['bbp_stick_topic'], array( 'stick', 'super', 'unstick' ) ) ) {

			// What's the haps?
			switch ( $_POST['bbp_stick_topic'] ) {

				// Sticky in this forum
				case 'stick'   :
					bbp_stick_topic( $topic_id );
					break;

				// Super sticky in all forums
				case 'super'   :
					bbp_stick_topic( $topic_id, true );
					break;

				// Normal
				case 'unstick' :
				default        :
					bbp_unstick_topic( $topic_id );
					break;
			}
		}

		// 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;
	}