_cache_delete() Deletes the contents of 'get_bookmarks'
 */
function delete_get_bookmark_cache() {
	wp_cache_delete( 'get_bookmarks', 'bookmark' );
}
add_action( 'add_link', 'delete_get_bookmark_cache' );
add_action( 'edit_link', 'delete_get_bookmark_cache' );
add_action( 'delete_link', 'delete_get_bookmark_cache' );

?>
XML-RPC server accepts POST requests only.