WordPress Rewrite
assuming u is a custom query var, you have to first add it to the array of recognized query vars: function wpa_query_vars( $query_vars ){ $query_vars[] = ‘u’; return $query_vars; } add_filter(‘query_vars’, ‘wpa_query_vars’); Then add an internal rewrite rule that accepts anything appended to vendors and passes that as the u query var: function wpa_rewrite(){ add_rewrite_rule( … Read more