Why are 404s not triggering my 404.php template?
I found that the problem was with the otherwise very useful plugin Legacy URL Forwarding. It uses the following function (abridged here) with the 404_template hook. function doUrlForwarding() { // make a $query based on the $_SERVER[‘REQUEST_URI’] // if a post is found, redirect to it if (!empty($query->post->ID)) { wp_redirect(get_permalink($query->post->ID), ‘301’ ); } } add_action(‘404_template’,’doUrlForwarding’); … Read more