[wp-trac] [WordPress Trac] #43345: term_exists() may return 0 which is not a text-documented return type

[WordPress Trac]

#43345: term_exists() may return 0 which is not a text-documented return type
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 Reporter:  dotancohen               |       Owner:  johnbillion
     Type:  defect (bug)             |      Status:  reviewing
 Priority:  normal                   |   Milestone:  5.3
Component:  Taxonomy                 |     Version:
 Severity:  normal                   |  Resolution:
 Keywords:  has-patch needs-testing  |     Focuses:
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Comment (by johnbillion):

 Clarification: This condition was originally introduced to prevent a
 category with the name `0` being inserted when a post is saved with no
 categories selected (presumably due to the `<input type="hidden"
 name="post_category[]" value="0">` in the Categories meta box.

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Ticket URL: <https://core.trac.wordpress.org/ticket/43345#comment:8>
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