[buddypress-trac] [BuddyPress Trac] #7192: Improve $args included in `bp_current_user_can` and `bp_user_can` filters.

[buddypress-trac]

#7192: Improve $args included in `bp_current_user_can` and `bp_user_can` filters.
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 Reporter:  dcavins       |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Core          |     Version:
 Severity:  normal        |  Resolution:
 Keywords:                |
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Comment (by DJPaul):

 Patch missed removing `$blog_id` var on line 266 (as i look at it on trac
 with its line number).

 We also need to catch if the user isn't logged in.
 `current_user_can_for_blog` took care of this but we aren't using it any
 more. (line 280 of the patch in the trac view, again). I think an 0 might
 cause problems in WP `current_user_can` (it seems like relying on that
 would be undefined behaviour).

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Ticket URL: <https://buddypress.trac.wordpress.org/ticket/7192#comment:4>
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