[wp-trac] [WordPress Trac] #35614: Cannot check capabilities on single taxonomy terms

[WordPress Trac]

#35614: Cannot check capabilities on single taxonomy terms
-----------------------------+-------------------------------------
 Reporter:  johnjamesjacoby  |      Owner:
     Type:  enhancement      |     Status:  new
 Priority:  normal           |  Milestone:  Awaiting Review
Component:  Taxonomy         |    Version:
 Severity:  normal           |   Keywords:  needs-patch 2nd-opinion
  Focuses:                   |
-----------------------------+-------------------------------------
 Unlike Users and Posts, Taxonomy Terms do not have single capability
 checks.

 Users and Posts have single capabilities that are accompanied by an ID,
 like:

 * `edit_user`
 * `edit_post`

 Taxonomy terms however, are only ever checked via their plural version,
 like:

 * `manage_categories`

 In `register_taxonomy()`, the default caps are mapped like:

 {{{
 $default_caps = array(
         'manage_terms' => 'manage_categories',
         'edit_terms'   => 'manage_categories',
         'delete_terms' => 'manage_categories',
         'assign_terms' => 'edit_posts',
 );
 }}}

 But there is no single equivalent, like:

 * `manage_term`
 * `edit_term`
 * `delete_term`
 * `assign_term`

 This means it's not currently possible (even with filters) to target
 specific terms in a taxonomy and prevent them from being edited, deleted,
 or assigned.

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Ticket URL: <https://core.trac.wordpress.org/ticket/35614>
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