'WP_Terms_List_Table' => 'terms',
'WP_Users_List_Table' => 'users',
'WP_Comments_List_Table' => 'comments',
'WP_Terms_List_Table' => 'terms',
'WP_Users_List_Table' => 'users',
'WP_Comments_List_Table' => 'comments',
'WP_Links_List_Table' => 'links',
'WP_Plugin_Install_List_Table' => 'plugin-install',
'WP_Themes_List_Table' => 'themes',
'WP_Links_List_Table' => 'links',
'WP_Plugin_Install_List_Table' => 'plugin-install',
'WP_Themes_List_Table' => 'themes',
- return array( $columns, $hidden, $sortable );
+ return array( $columns, $hidden, $sortable, $primary );