function bbp_get_forum_class( $forum_id = 0, $classes = array() ) {
		$bbp        = bbpress();
		$forum_id   = bbp_get_forum_id( $forum_id );
		$parent_id  = bbp_get_forum_parent_id( $forum_id );
		$author_id  = bbp_get_forum_author_id( $forum_id );
		$status     = bbp_get_forum_status( $forum_id );
		$visibility = bbp_get_forum_visibility( $forum_id );
		$classes    = array_filter( (array) $classes );
		$count      = isset( $bbp->forum_query->current_post )
			? (int) $bbp->forum_query->current_post
			: 1;

		//  Stripes
		$even_odd = ( $count % 2 )
			? 'even'
			: 'odd';

		// User is moderator of forum
		$forum_moderator = ( bbp_is_user_forum_moderator( $author_id, $forum_id ) === $author_id )
			? 'forum-mod'
			: '';

		// Is forum a non-postable category?
		$category = bbp_is_forum_category( $forum_id )
			? 'status-category'
			: '';

		// Forum has children?
		$subs = bbp_get_forum_subforum_count( $forum_id )
			? 'bbp-has-subforums'
			: '';

		// Forum has parent?
		$parent = ! empty( $parent_id )
			? 'bbp-parent-forum-' . $parent_id
			: '';

		// Get forum classes
		$forum_classes = array(
			'loop-item-'            . $count,
			'bbp-forum-status-'     . $status,
			'bbp-forum-visibility-' . $visibility,
			$even_odd,
			$forum_moderator,
			$category,
			$subs,
			$parent
		);

		// Run the topic classes through the post-class filters, which also
		// handles the escaping of each individual class.
		$post_classes = get_post_class( array_merge( $classes, $forum_classes ), $forum_id );

		// Filter
		$new_classes  = apply_filters( 'bbp_get_forum_class', $post_classes, $forum_id, $classes );

		// Return
		return 'class="' . implode( ' ', $new_classes ) . '"';
	}