function bbp_is_forum_archive() {
	global $wp_query;

	// Default to false
	$retval = false;

	// In forum archive
	if ( is_post_type_archive( bbp_get_forum_post_type() ) || bbp_is_query_name( 'bbp_forum_archive' ) || ! empty( $wp_query->bbp_show_topics_on_root ) ) {
		$retval = true;
	}

	// Filter & return
	return (bool) apply_filters( 'bbp_is_forum_archive', $retval );
}