[wp-trac] [WordPress Trac] #37028: Taxonomy terms array to string conversion in class-wp-ajax-response.php

[WordPress Trac]

#37028: Taxonomy terms array to string conversion in class-wp-ajax-response.php
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 Reporter:  esemlabel          |       Owner:
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Taxonomy           |     Version:  4.5.2
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
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Changes (by boonebgorges):

 * keywords:   => reporter-feedback


Comment:

 Hi @esemlabel - Can you please provide more details? I can't reproduce,
 and I'm unsure how this would happen on a default installation of
 WordPress.

 Here's what I tried:
 1. Register a custom taxonomy 'foo'
 2. Create a term in the taxonomy at `wp-admin/edit-tags.php?taxonomy=foo`
 3. Hover over the newly created term in the list table and click delete
 4. Term is deleted as expected

 Is this what you're doing?

 The AJAX handler that WP uses when deleting a term in this way doesn't
 even create a `WP_AJAX_Response` object, so I'm unsure how deleting would
 cause the notice you've described.
 https://core.trac.wordpress.org/browser/tags/4.5.2/src/wp-admin/includes
 /ajax-actions.php#L579

 'supplemental' data is added when you successfully create a term. The two
 types of 'supplemental' data
 https://core.trac.wordpress.org/browser/tags/4.5.2/src/wp-admin/includes
 /ajax-actions.php?marks=861,866#L819:
 a. An array `array( 'noparents' => $noparents, 'parents' => $parents )`,
 where `$noparents` and `$parents` are strings (markup for a row of the
 list table).
 b. A `WP_Term` object, cast to array.

 It's not clear to me how either one of these would end up with a nested
 array.

 If you can provide more debugging info - in particular, the value of
 'supplemental' that's causing the problem - it would be helpful. You can
 get this info by looking at the response sent by the AJAX request, using
 your browser's Network inspector.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37028#comment:1>
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