[wp-trac] [WordPress Trac] #29786: read_post_meta should be a meta capability

[WordPress Trac]

#29786: read_post_meta should be a meta capability
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 Reporter:  rmccue              |      Owner:
     Type:  defect (bug)        |     Status:  new
 Priority:  normal              |  Milestone:  Awaiting Review
Component:  Options, Meta APIs  |    Version:
 Severity:  normal              |   Keywords:
  Focuses:                      |
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 Right now, we have `edit_post_meta`, `delete_post_meta`, and
 `add_post_meta`. In order to be able to expose metadata publicly, we need
 to be able to check if we can access individual keys.

 `is_protected_meta` only controls whether it's prefixed and should default
 to being protected (by default, prefixed with `_`). This isn't adequate to
 check for read permission on a key, because it's not filterable.

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Ticket URL: <https://core.trac.wordpress.org/ticket/29786>
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