Check Is The Current Visitor IP WhiteListed?

functions.php

<?php

/**
 * Both of these functions return a boolean (true|false) on whether the current visitor
 * IP address is whitelisted.
 *
 * Be sure to use the most appropriate, depending on your Shield version.
 */

if ( class_exists( '\FernleafSystems\Wordpress\Plugin\Shield\Controller\Controller' ) ) {
	// Shield up to version 9.1.0
	$is_whitelisted = \FernleafSystems\Wordpress\Plugin\Shield\Controller\Controller::GetInstance()
								->getModule_IPs()
								->isVisitorWhitelisted();

	// Shield version 9.1.1+
	$is_whitelisted = \FernleafSystems\Wordpress\Plugin\Shield\Helpers\QuickAccess::IsRequestWhiteListed();
}
else {
	$is_whitelisted = false;
}