[wp-trac] [WordPress Trac] #18461: adding a capability to a non-existing role gives warnings

[WordPress Trac]

#18461: adding a capability to a non-existing role gives warnings
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 Reporter:  opajaap          |       Owner:
     Type:  defect (bug)     |      Status:  new
 Priority:  normal           |   Milestone:  Awaiting Review
Component:  Role/Capability  |     Version:  3.2.1
 Severity:  normal           |  Resolution:
 Keywords:  has-patch        |
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Comment (by SergeyBiryukov):

 [attachment:18461.2.patch] introduces `isset()` checks for `add_cap()` and
 `remove_cap()`.

 Don't think we should automatically remove an invalid role here. It can be
 removed with `remove_role()`, in the same way it was added.

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Ticket URL: <http://core.trac.wordpress.org/ticket/18461#comment:3>
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