Well, just execute it
global_start
PHP Code:
$subscribers = $db->query_first("SELECT COUNT(*) AS totalactive FROM " . TABLE_PREFIX . "subscriptionlog WHERE active=1");
$subscribers['totalactive'] = vb_number_format($subscribers['totalactive']);
As this adds 1 Query/Page, you might want to cache the Value in Datastore, but that involves more Code - and File Edits.