options(); $trusted_proxies = ( null === $options ) ? '' : (string) $options->get( GTM4WP_OPTION_INCLUDE_VISITOR_IP_PROXIES, '' ); } return VisitorIp::get( (string) $use_custom_header, (string) $trusted_proxies ); } } if ( ! function_exists( 'gtm4wp_generate_script_opening_tag' ) ) { /** * Generates an opening