Sergey Biryukov 868f2ef1fd Taxonomy: Check for empty term after DB sanitization in wp_insert_term().
When inserting a new term in the database, `wp_insert_term()` will check if the term is empty and return a corresponding error.

Afterwards the term is sanitized and inserted in the database. However, there is a chance the term is empty after the DB sanitization.

This commit adds a check for an empty term name after the term is sanitized, returning an error in that case.

Follow-up to [5726], [8393].

Props fgiannar, kraftbj.
Fixes #59995.

git-svn-id: https://develop.svn.wordpress.org/trunk@57251 602fd350-edb4-49c9-b593-d223f7449a82
2024-01-08 22:42:49 +00:00
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