function bbp_use_pretty_urls() {

	// Default
	$retval  = false;
	$rewrite = bbp_rewrite();

	// Use $wp_rewrite->using_permalinks() if available
	if ( method_exists( $rewrite, 'using_permalinks' ) ) {
		$retval = $rewrite->using_permalinks();
	}

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