id,summary,reporter,owner,description,type,status,priority,milestone,component,version,severity,resolution,keywords,cc
21222,Unable to add columns to the Terms List table,dglingren,,"The base class `WP_List_Table` and its extended family is a great addition to the WordPress administration API. The `WP_Posts_List_Table` class has well-documented filters that support adding custom columns to the default table.

However, custom column support in the `WP_Terms_List_Table` class is incomplete. There is a filter in the `column_default` method, but it is useless because there is no filter in the `get_columns` method to allow expanding the column array.

Please consider changing the last line of the `get_columns` method to something like:

`return apply_filters( ""manage_{$taxonomy}_custom_get_columns"", $columns );`

or

`return apply_filters( ""manage_{$taxonomy}_columns"", $columns );`

The affected file is `wp-admin/includes/class-terms-list-table.php`. The choice for the filter name depends on whether you want to follow the convention used in the `WP_Terms_List_Table` class (first alternative) or the convention used in the `WP_Posts_List_Table` class (second alternative).

This one-line change would finish the job of making the default table expandable. Thank you for your consideration.",defect (bug),closed,normal,,Taxonomy,3.4.1,normal,invalid,,david@… contact@…