When Attempting to Filter Plugin Generated Content Using Filter post_type_link, Permalinks Are Not Modified

Milo provided the answer in the comments above. I’m recording for posterity sake. 🙂 I was using add_query_arg and should instead have used return $url, so the code above should have looked like: function lqd_message_link( $url, $post ) { global $wp_query; if ( get_post_type( $post ) == ‘gc-sermons’ && isset( $wp_query->query_vars[‘messages-app-view’] ) ) { return … Read more