[wp-trac] [WordPress Trac] #46338: taxonomy_meta_box_sanitize_cb_checkboxes: Warning: array_map(): Expected parameter 2 to be an array, string given

[WordPress Trac]

#46338: taxonomy_meta_box_sanitize_cb_checkboxes: Warning: array_map(): Expected
parameter 2 to be an array, string given
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 Reporter:  conner_bw     |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Taxonomy      |     Version:  5.1
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by oglekler):

 According to this:
 https://developer.wordpress.org/reference/functions/register_taxonomy/
 'meta_box_cb' can have a callback function name and be equal to
 'post_categories_meta_box' for hierarchical taxonomies and
 'post_tags_meta_box' for non-hierarchical taxonomies. This was my mistake;
 I didn't check the documentation properly, and taxonomy is not
 hierarchical by default. On the other hand, this situation with settings
 that are not compatible with each other can possibly be handled without
 fatal error.

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Ticket URL: <https://core.trac.wordpress.org/ticket/46338#comment:3>
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