wp-admin/includes/class-wp-links-list-table.php:152Gets the list of sortable columns.
array protected function get_sortable_columns() { return array( 'name' => array( 'name', false, _x( 'Name', 'link name' ), __( 'Table ordered by Name.' ), 'asc' ), 'url' => array( 'url', false, __( 'URL' ), __( 'Table ordered by URL.' ) ), 'visible' => array( 'visible', false, __( 'Visible' ), __( 'Table ordered by Visibility.' ) ), 'rating' => array( 'rating', false, __( 'Rating' ), __( 'Table ordered by Rating.' ) ), ); }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/class-wp-links-list-table.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.