permalinks

How to create a permalink structure with custom taxonomies and custom post types like base-name/parent-tax/child-tax/custom-post-type-name

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I’ve been combing this site and google for the answer and I’ve come up completely empty. Basically I want to do exactly what this post asks, but I need a hierarchical taxonomy. The answer given in that post works great, but only with a single level taxonomy. Is it possible to do what I want? I’ve tried a million things, but none work, at best I can get the right permalinks but they come up 404.

How to get URL of current page displayed?

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I want to add custom PHP code to ensure that whenever a page on my site loads in my browser, the URL of that page is echoed to the screen. I can use echo get_permalink(), but that does not work on all pages. Some pages (e.g. my homepage) display several posts, and if I use get_permalink() on these pages, the URL of the displayed page is not returned (I believe it returns the URL of the last post in the loop). For these pages, how can I return the URL?