[wp-trac] [WordPress Trac] #55979: wp_sitecategories does not account for different taxonomy

[WordPress Trac]

#55979: wp_sitecategories does not account for different taxonomy
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 Reporter:  axelseaa            |      Owner:  (none)
     Type:  defect (bug)        |     Status:  new
 Priority:  normal              |  Milestone:  Awaiting Review
Component:  Networks and Sites  |    Version:  trunk
 Severity:  major               |   Keywords:  changes-requested
  Focuses:  multisite           |
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 We have a legacy version of WordPressMU (Now MultiSite) that had
 global_terms_enabled in the wp_sitemeta table.

 When this is enabled, if the same term name is added to different
 taxonomies (for example - tags and categories), the global_terms function
 in wp-includes/ms-functions.php will update the value of the last entered
 term, which will cause duplicate term ID errors (see
 https://stackoverflow.com/posts/72523491)

 This line is the to blame - only checking the nice name, and not the ID.
 https://github.com/WordPress/WordPress/blob/73a2d87eaea88a16b45bbe2867df5fb856d55414
 /wp-includes/ms-functions.php#L2085

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Ticket URL: <https://core.trac.wordpress.org/ticket/55979>
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