public static function output() {

		global $current_tab;

		do_action( 'lifterlms_settings_start' );

		self::get_settings_tabs();

		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- nonce is checked in self::save().
		$current_tab = empty( $_GET['tab'] ) ? 'general' : llms_filter_input_sanitize_string( INPUT_GET, 'tab' );

		// phpcs:disable WordPress.Security.NonceVerification.Missing -- nonce is checked in self::save().
		if ( ! empty( $_POST ) ) {
			self::save();
		}
		// phpcs:enable WordPress.Security.NonceVerification.Missing.

		$err = llms_filter_input_sanitize_string( INPUT_GET, 'llms_error' );
		if ( $err ) {
			self::set_error( $err );
		}

		$msg = llms_filter_input_sanitize_string( INPUT_GET, 'llms_message' );
		if ( $msg ) {
			self::set_message( $msg );
		}

		self::display_messages_html();

		$tabs = apply_filters( 'lifterlms_settings_tabs_array', array() );

		include 'views/settings.php';