[wp-trac] [WordPress Trac] #18052: 'category__and' does not filter invalid input by itself

[WordPress Trac]

#18052: 'category__and' does not filter invalid input by itself
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 Reporter:  drale2k       |       Owner:
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Query         |     Version:  3.2
 Severity:  normal        |  Resolution:  invalid
 Keywords:                |
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Changes (by wonderboymusic):

 * keywords:  needs-patch reporter-feedback =>
 * status:  new => closed
 * resolution:   => invalid
 * milestone:  Future Release => Awaiting Review


Comment:

 2 things:

 1) don't use query_posts - make a new WP_Query or alter the main query
 using 'pre_get_posts' if absolutely necessary

 2) if you pass: {{{'category__and' => array( 1, 2, 3, false )}}}  - your
 query should fail, you should be validating your inputs

 Related: #20604

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Ticket URL: <http://core.trac.wordpress.org/ticket/18052#comment:6>
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