adding a rewrite rule in wordpress functions file
Did you add the query vars via the query_vars-hook in addition to the defintion of the rewrite rule in the init-hook? add_filter( ‘query_vars’, ‘my_add_query_var_function’ ); function my_add_query_var_function( $vars ) { $vars[] = ‘a’; $vars[] = ‘cat’; $vars[] = ‘where’; return $vars; }