[wp-trac] [WordPress Trac] #28589: Warning on Usage of WP_Query() with Orderby Array

[WordPress Trac]

#28589: Warning on Usage of WP_Query() with Orderby Array
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 Reporter:  behrang       |       Owner:
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Query         |     Version:  3.9.1
 Severity:  normal        |  Resolution:  invalid
 Keywords:  close         |     Focuses:
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Changes (by engelen):

 * keywords:   => close
 * status:  new => closed
 * resolution:   => invalid


Comment:

 This is not a bug. `orderby` doesn't accept anything other than a string,
 so what you're trying to pass (an array) is actually not support by
 `WP_Query`. You should alter your `orderby`-parameter (by using `orderby
 => 'meta_value_num'`, combined with the proper `meta_key` query parameter,
 for example).

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Ticket URL: <https://core.trac.wordpress.org/ticket/28589#comment:1>
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