/** * @param $slug * @param $tab * @param $setting */ public static function init($slug, $tab, $setting) { $tab['slug'] = $slug; self::$setting = $setting; self::$setting_tab = $tab; add_action('load_' . $setting::HW_SETTINGS_PAGE . '_' . $setting::valid_tab_slug($slug), __CLASS__ . '::replyToAddFormElements'); }