VisibilityManager::isAdmin

static function isAdmin(array $userAccessCodes): bool
{
	$userId = 0;

	$codesWithUserId = preg_grep('#^U\d+$#' . BX_UTF_PCRE_MODIFIER, $userAccessCodes);
	if (!empty($codesWithUserId))
	{
		$userId = (int)str_replace('U', '', array_shift($codesWithUserId));
	}

	return Container::getInstance()->getUserPermissions($userId)->isAdmin();
}