/** * Registers a rule. * * @since 4.6 * @param string $id * @param string $label * @param string $description * @param string $exclude * @param int $priority */ protected function add_rule($id, $label, $description, $exclude = '', $priority = 10) { IncPopupRules::add_rule($this, $this->filename, $id, $label, $description, $exclude, $priority); }