[wp-trac] [WordPress Trac] #42547: Widgets: Nullify $post global in Custom HTML widget

[WordPress Trac]

#42547: Widgets: Nullify $post global in Custom HTML widget
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 Reporter:  westonruter                    |       Owner:  westonruter
     Type:  defect (bug)                   |      Status:  closed
 Priority:  normal                         |   Milestone:  4.9.1
Component:  Widgets                        |     Version:  4.9
 Severity:  normal                         |  Resolution:  fixed
 Keywords:  has-patch commit dev-reviewed  |     Focuses:
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Comment (by westonruter):

 In [changeset:"42186"]:
 {{{
 #!CommitTicketReference repository="" revision="42186"
 Widgets: Set global `$post` to current queried object instead of
 nullifying when `is_singular()` while applying filters (and shortcodes) in
 Text widget and (via plugin) Custom HTML widget.

 Also prevent `[gallery]` shortcode from dumping out every attachment on
 the site when a containing Text widget is shown on an archive template.

 Props westonruter, bobbingwide, joemcgill for testing.
 See #10457.
 Fixes #42548, #42547 for 4.9.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/42547#comment:6>
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