bbp_save_forum_extras( int $forum_id )

function bbp_save_forum_extras( $forum_id = 0 ) {

	// Validate the forum ID
	$forum_id = bbp_get_forum_id( $forum_id );

	// Bail if forum ID is empty
	if ( empty( $forum_id ) || ! bbp_is_forum( $forum_id ) )
		return;

	/** Forum Status ******************************************************/

	if ( !empty( $_POST['bbp_forum_status'] ) && in_array( $_POST['bbp_forum_status'], array( 'open', 'closed' ) ) ) {
		if ( 'closed' === $_POST['bbp_forum_status'] && !bbp_is_forum_closed( $forum_id, false ) ) {
			bbp_close_forum( $forum_id );
		} elseif ( 'open' === $_POST['bbp_forum_status'] && bbp_is_forum_closed( $forum_id, false ) ) {
			bbp_open_forum( $forum_id );
		}
	}

	/** Forum Type ********************************************************/

	if ( !empty( $_POST['bbp_forum_type'] ) && in_array( $_POST['bbp_forum_type'], array( 'forum', 'category' ) ) ) {
		if ( 'category' === $_POST['bbp_forum_type'] && !bbp_is_forum_category( $forum_id ) ) {
			bbp_categorize_forum( $forum_id );
		} elseif ( 'forum' === $_POST['bbp_forum_type'] && bbp_is_forum_category( $forum_id ) ) {
			bbp_normalize_forum( $forum_id );
		}
	}

	/** Forum Visibility **************************************************/

	if ( !empty( $_POST['bbp_forum_visibility'] ) && in_array( $_POST['bbp_forum_visibility'], array( bbp_get_public_status_id(), bbp_get_private_status_id(), bbp_get_hidden_status_id() ) ) ) {

		// Get forums current visibility
		$visibility = bbp_get_forum_visibility( $forum_id );

		// What is the new forum visibility setting?
		switch ( $_POST['bbp_forum_visibility'] ) {

			// Hidden
			case bbp_get_hidden_status_id()  :
				bbp_hide_forum( $forum_id, $visibility );
				break;

			// Private
			case bbp_get_private_status_id() :
				bbp_privatize_forum( $forum_id, $visibility );
				break;

			// Publish (default)
			case bbp_get_public_status_id()  :
			default        :
				bbp_publicize_forum( $forum_id, $visibility );
				break;
		}
	}
}