register_settings(); // Handle form submission. if ( isset( $_POST['robotstxt_smtp_newsletter_options'] ) && check_admin_referer( 'robotstxt_smtp_newsletter-options' ) ) { $options = $settings_page->sanitize_options( $_POST['robotstxt_smtp_newsletter_options'] ); update_option( 'robotstxt_smtp_newsletter_options', $options ); echo '

'; esc_html_e( 'Settings saved.', 'robotstxt-smtp-newsletter' ); echo '

'; } ?>