settings_page = add_submenu_page( Bulk_Delete::POSTS_PAGE_SLUG, __( 'Bulk Delete Settings', 'bulk-delete' ), __( 'Settings', 'bulk-delete' ), 'delete_posts', self::SETTINGS_PAGE_SLUG, array( __CLASS__, 'display_settings_page' ) ); // register settings register_setting( self::ADDON_SETTING_OPTION_GROUP, // Option group self::ADDON_SETTING_OPTION_NAME, // Option name array( __CLASS__, 'sanitize_settings' ) // Sanitize callback ); } /** * Sanitize Settings. * * @static * * @since 5.3 * * @param array $input (optional) Input array * * @return array Sanitized input */ public static function sanitize_settings( $input = array() ) { return apply_filters( 'bd_sanitize_settings_page_fields', $input ); } /** * Return Addon settings. * * @since 5.3 * @static * * @return array Addon settings */ public static function get_addon_settings() { $options = get_option( self::ADDON_SETTING_OPTION_NAME, array() ); return apply_filters( 'bd_addon_settings', $options ); } /** * Show the settings page. * * @static * * @since 5.3 */ public static function display_settings_page() { ?>