I have a car database that I want to import into Wordpress as taxonomies. The problem is I can't create 2 taxonomies at once (first is parent, last ones are childs of first).

$p = wp_insert_term("Acura", "classified-category", array("description" => "Acura"));
$c = wp_insert_term("Acura CL", "classified-category", array("parent" => $p["term_id"], "description" => "Acura CL"));


Array ( [term_id] => 13 [term_taxonomy_id] => 4720 ) 
Array ( [term_id] => 2589 [term_taxonomy_id] => 4721 ) 

But in Dashboard appears just parent category. The problem is similar to this one: https://wordpress.stackexchange.com/questions/23125/create-two-categories-at-once-parent-child

Any idea ?

1 Answer 1


The issue is with the taxonomy cache. You have to clear it after you insert the terms in order to see them. I had the same issue, which someone answered for me here:


Insert that after the term inserts and you should be good.

  • works great! thx! Commented Jul 30, 2011 at 16:01
  • Glad I was able to help out Commented Jul 30, 2011 at 20:38
  • Awesome. Worked perfectly.
    – Foxinni
    Commented Jun 25, 2013 at 11:53

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