[wp-trac] [WordPress Trac] #35227: Add unregister_taxonomy()

[WordPress Trac]

#35227: Add unregister_taxonomy()
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 Reporter:  swissspidy                           |       Owner:
     Type:  defect (bug)                         |      Status:  new
 Priority:  normal                               |   Milestone:  4.5
Component:  Taxonomy                             |     Version:  2.3
 Severity:  normal                               |  Resolution:
 Keywords:  early has-patch has-unit-tests dev-  |     Focuses:
  feedback                                       |
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Changes (by swissspidy):

 * keywords:  early needs-patch needs-unit-tests => early has-patch has-
     unit-tests dev-feedback


Comment:

 [attachment:35227.diff] adds the same `remove_rewrite_tag()` function as
 the patch in #14761 and does the following:

 * Properly removes the taxonomy from the `$wp_taxonomies` global
 * Removes rewrite tags and permastructs
 * Removes the callback for handling the meta box
 * Prevents unregistering built-in taxonomies

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Ticket URL: <https://core.trac.wordpress.org/ticket/35227#comment:1>
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