WP_MS_Sites_List_Table::get_sortable_columns()
Return
(array)
Source
File: wp-admin/includes/class-wp-ms-sites-list-table.php
protected function get_sortable_columns() {
return array(
'blogname' => 'blogname',
'lastupdated' => 'lastupdated',
'registered' => 'blog_id',
);
}