## filters – Custom child page permalink

Question

I’m trying to customize the permalink of some child pages.

I have this structure:
example.com/story/story-name-slug/chapter-slug/page-slug

And I’m trying to transforming that structure into this:
example.com/section/page-slug

But also I want to keep the other links active, so in the end I should have the following:
example.com/story -> archive of all story;

example.com/story/story-name-slug -> list of all chapters;

example.com/section/page-slug -> page with customized url.

Keep in mind that example.com/story/story-name-slug/chapter-slug is not a page that can be visited by users. It’s only used to archive the hierarchical relation between pages.

At the moment I got the url structure working with the following code in functions.php:

add_filter('page_link', 'custom_permalink', 10, 3);

function custom_permalink($permalink,$post_id) {

$post = get_post($post_id);

$post_name =$post->post_name;

$id_chapter =$post->post_parent;
$id_story = wp_get_post_parent_id($id_chapter);
$id_stories = wp_get_post_parent_id($id_story);

if ($id_chapter !== 0 &&$id_story !== 0 && $id_stories ) { // the static base url is just for testing$permalink = 'example.com/section/' . $post_name ; } else {$permalink = $permalink; } return$permalink;
}


This works but not as it shoudl, I get the right URLs on the right pages but when I visit those pages I get a 404 Error not found.

After some digging in the sql queris that get executed I think that the problem is that WP is selecting wp_posts.post_type="attachment" instead of wp_posts.post_type="page".

I think that a rewrite rule is needed somewhere to specify in the sql query what to select, but this goes over my current capabilities.

If it’s needed I can provide all the queries that get executed on the page with and without the filter that I added.

Thanks!

0
2 months 2022-07-16T08:43:26-05:00 0 Answers 0 views 0