I have a custom post type "issue" and relationship with custom post type "article". What I want is, to create the issue cpt as a taxonomy for the article cpt, and showing it in article post list. When the users add new issue, so the taxonomy will updated it self. And the final result is, I can filtering the articles only based on the issue name.

Anyone can help?

  • First create Taxonomy named 'Issues' for CPT 'Article'. The try this plugin wordpress.org/plugins/post-type-switcher With this you can convert all your 'Issues' to 'Articles'. And while doing that select these articles to newly created taxonomy 'Issues'
    – Yatix
    Commented Nov 2, 2014 at 8:43

2 Answers 2


It sounds like issues should be a custom taxonomy rather than a custom post type.

  • Is there a way to convert a custom post type issue to custom taxonomy without lost the data, or I should create the custom taxonomy and re-input the data again.
    – da_root
    Commented Oct 31, 2014 at 13:00
  • is near from my case post by @strap1 here: wordpress.stackexchange.com/questions/128622/… nice hack actually but my question, is you did filtering your post by artist (new CPT) on admin post list table. because I have same issue with you, and following your hack code. but I need more features to filtering (example from your case)Filtering Album post type using the Artist post type. Thanks
    – da_root
    Commented Oct 31, 2014 at 16:09
  • If you convert content from a post to a category, you could not retain all the data, no. A taxonomy term would not have a place to store post content, for example. Terms have names, slugs, and descriptions. Commented Oct 31, 2014 at 18:35

I found the solutions for this, finally i filtering the custom post type by custom type no need to create or converted post type to taxonomy :)

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