[wp-trac] [WordPress Trac] #42249: "Add Existing Users" -Form on Multisite still shows up after remove Capabilities to see it

[WordPress Trac]

#42249: "Add Existing Users" -Form on Multisite still shows up after remove
Capabilities to see it
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 Reporter:  tqmtqm89            |      Owner:
     Type:  defect (bug)        |     Status:  new
 Priority:  normal              |  Milestone:  Awaiting Review
Component:  Networks and Sites  |    Version:  4.8.2
 Severity:  normal              |   Keywords:
  Focuses:  multisite           |
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 Hey there,
 i got a Multisite where it should be possible for Administrators (not
 Super-Admins) to add new Users to their subdomain. But i'd liked to
 disable the option to add existing users.

 So i customized the capabilities for my plan and it seems i have found a
 bug cause it just worked half the way.

 From before changing the capabilities the state was:
 [https://i.imgur.com/KKXaUgQ.png]

 After change of capabilities just the headline was removed (i highlighted
 it in the screenshot above)
 [https://i.imgur.com/m9cEY0p.png]

 So what i wanted to create was something like
 [https://i.imgur.com/hZxjsoA.png]

 So i moved deep into Wordpress-Core and found the possible bug and fixed
 it so far for me:
 [https://i.imgur.com/lKXVkzZ.png]

 i added the if clause around the form that check the $do_both on line 326
 + 377 on the wp-admin/user-new.php.

 At the moment in line 314 is it checked but only hide / show the headline
 of add existing users but have no influence to the form.

 Greetings from Paderborn

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Ticket URL: <https://core.trac.wordpress.org/ticket/42249>
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