[wp-trac] [WordPress Trac] #28099: Empty array passed to WP_Query post__in returns posts

[WordPress Trac]

#28099: Empty array passed to WP_Query post__in returns posts
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 Reporter:  danielbachhuber  |       Owner:
     Type:  defect (bug)     |      Status:  new
 Priority:  normal           |   Milestone:  4.0
Component:  Query            |     Version:
 Severity:  normal           |  Resolution:
 Keywords:  has-patch        |     Focuses:
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Changes (by wonderboymusic):

 * keywords:  needs-patch => has-patch
 * milestone:  Future Release => 4.0


Comment:

 This also applies to `'post_parent__in'` - both are only checked for
 truthiness.

 We could also check if the user specified one of these arguments as empty
 and nuke the query. Does that in [attachment:28099.diff 28099.diff]

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Ticket URL: <https://core.trac.wordpress.org/ticket/28099#comment:2>
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