[wp-trac] [WordPress Trac] #33523: WP_List_Table sortable header links break when list table is loaded via Ajax

[WordPress Trac]

#33523: WP_List_Table sortable header links break when list table is loaded via
Ajax
----------------------------+-----------------------------
 Reporter:  McGuive7        |      Owner:
     Type:  defect (bug)    |     Status:  new
 Priority:  normal          |  Milestone:  Awaiting Review
Component:  Administration  |    Version:  trunk
 Severity:  normal          |   Keywords:
  Focuses:                  |
----------------------------+-----------------------------
 When using Ajax to load up a WP_List_Table with sortable columns, the
 column header links are broken and point to admin-ajax.php instead of the
 actual current URL.

 This appears to be due to the following line in wp-admin/includes/class-
 wp-list-table.php:
 {{{
 $current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] .
 $_SERVER['REQUEST_URI'] );
 }}}

 Checking the $_SERVER variable returns the current request info, which is
 via admin-ajax.php, not the actual URL (current admin page) from which the
 Ajax request is made. This completely breaks column sorting for list
 tables loaded via Ajax, with the column header links pointing to something
 like: `http://local.wordpress-trunk.dev/wp-admin/admin-
 ajax.php?orderby=version&order=asc` instead of the proper URL.

 Here's a screencast for clarity: http://recordit.co/DSsXlaUuka

 Is there a workaround for this one? If not, it seems like a bug, right?

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Ticket URL: <https://core.trac.wordpress.org/ticket/33523>
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