You shouldn’t need to manually handle this with hooks & custom slug settings – just ensure hierarchical is set to true in your register_post_type arguments. You mention “CPT UI” settings, are you referring to the Custom Post Type UI plugin? If so, make sure Hierarchical is set to True in the Settings metabox.
Custom WooCommerce rewrite rules with comma delimiter
How to change an existing wordpress page rewrite rule?
‘^offer/([^/]*)/([^/]*)/?’, Why do you have a question mark here at the end, that doesn’t do anything here. You also need to add_rewrite_tag otherwise it will never work.
Prevent Buddypress Rewrite Rules on Non-Buddypress pages/posts
When request has multiple matching rewrite rules, and matched rule returns 404 – iterate to next rewrite rule
WordPress rewrite rule doesn’t work unless post category is explicitly called in regex
Safest way to create a custom permalink
I don’t know if this can be done at once —using maybe an htaccess rule–. But, I think rebuilding the existing rewrite rules instead of adding new ones can do the trick. There are filters available for each group of rewrite rules: post_rewrite_rules date_rewrite_rules comments_rewrite_rules search_rewrite_rules author_rewrite_rules page_rewrite_rules {post_type}_rewrite_rules {taxonomy}_rewrite_rules By using ‘post_rewrite_rules’ filter we … Read more
OK I solved this problem: New code: add_action(‘init’, ‘add_test_url’); function add_test_url() { global $wp_rewrite; add_rewrite_tag(‘%v%’, ‘(.+)’); add_rewrite_rule(‘^page-test/([^/]+)/?$’, ‘index.php?pagename=page-test&v=$matches[1]’, ‘top’); $wp_rewrite->flush_rules(); } /// for debug GET value: function console_log($content) { echo “<!– console_log: ” . get_query_var(‘v’) . “–>”; } add_filter(‘loop_start’, ‘console_log’, 9); Only thing left is .htaccess redirects from old url to new url: <IfModule mod_rewrite.c> … Read more