$config = CRM_Core_Config::singleton(); $domainID = $config->domainID; echo $domainID;
$config = CRM_Core_Config::singleton(); $domainID = $config->domainID; $url = "https://".$domainID.".example.com"; echo $url;In this example, we are creating a URL that includes the domain ID as a subdomain. This can be useful when creating links or redirects within the CRM application. Package Library: This functionality is included in the core library of CiviCRM, which is written in PHP.