[wp-trac] [WordPress Trac] #64486: Deactivating plugin removes native wp metabox from page editor

[WordPress Trac]

#64486: Deactivating plugin removes native wp metabox from page editor
--------------------------+------------------------------
 Reporter:  mrDollar4444  |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Editor        |     Version:
 Severity:  normal        |  Resolution:
 Keywords:  close         |     Focuses:
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Changes (by sabernhardt):

 * keywords:   => close
 * version:  6.9 =>


Comment:

 I was able to reproduce this behavior in 6.9, 6.8.3, and 5.0. (I used the
 Plugins screen interface to activate and deactivate instead of CLI.)

 However, this unpleasant experience seems to be correct. The sample third-
 party plugin **adds** the functionality of //any// meta boxes in the
 'edit_form_after_title' hook with `do_meta_boxes()`. If you create another
 plugin with only that part, and activate it, the second plugin will
 reinstate the missing Featured image meta box in the special area.
 {{{
 add_action( 'edit_form_after_title', 'set_meta_box_in_special_area2' );
 function set_meta_box_in_special_area2() {
         global $post;
         do_meta_boxes( get_current_screen(), 'test_do_meta_boxes', $post
 );
 }
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/64486#comment:1>
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