WP_Users_List_Table::get_sortable_columns() WordPress Method

The WP_Users_List_Table::get_sortable_columns() method allows you to define which columns are sortable in the WordPress user list table. By default, the columns that are sortable are the user ID, username, name, email, and registered date.

WP_Users_List_Table::get_sortable_columns() #

	protected function get_sortable_columns() {
		$c = array(
			'username' => 'login',
			'email'    => 'email',
		);

		return $c;
	}