[wp-trac] [WordPress Trac] #41743: Using the_widget on a widget that has not been registered results in an undefined index notice.

[WordPress Trac]

#41743: Using the_widget on a widget that has not been registered results in an
undefined index notice.
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 Reporter:  SeBsZ                     |       Owner:
     Type:  defect (bug)              |      Status:  new
 Priority:  normal                    |   Milestone:  4.9
Component:  Widgets                   |     Version:  2.8
 Severity:  normal                    |  Resolution:
 Keywords:  good-first-bug has-patch  |     Focuses:
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Comment (by westonruter):

 To me it seems having a notice/warning is better than failing silently. If
 you have a theme/plugin that is calling `the_widget()` then you should
 know when it fails.

 The other option would be to return a `WP_Error` on failure, and `true` on
 success.

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Ticket URL: <https://core.trac.wordpress.org/ticket/41743#comment:8>
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