[wp-trac] [WordPress Trac] #16472: set_query_var() / get_query_var() does not work for NULL values

[WordPress Trac]

#16472: set_query_var() / get_query_var() does not work for NULL values
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 Reporter:  hakre                       |       Owner:
     Type:  defect (bug)                |      Status:  closed
 Priority:  normal                      |   Milestone:
Component:  Query                       |     Version:
 Severity:  normal                      |  Resolution:  maybelater
 Keywords:  has-patch needs-unit-tests  |     Focuses:
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Changes (by wonderboymusic):

 * status:  new => closed
 * resolution:   => maybelater
 * milestone:  3.9 =>


Comment:

 This change breaks 100 unit tests. I can't even fathom the unintended side
 effects this would introduce. In most cases, we check `! empty()` anyway,
 so null and empty string are evaluated the same.

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Ticket URL: <https://core.trac.wordpress.org/ticket/16472#comment:4>
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