(array)
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', ); }
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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_ms_sites_list_table/get_sortable_columns