+ if($contact['priority'] || $contact['subhub']) {
+
+ $hub_update = true;
+ $update = false;
+
+ $t = $contact['last-update'];
+
+ // We should be getting everything via a hub. But just to be sure, let's check once a day.
+ // (You can make this more or less frequent if desired by setting 'pushpoll_frequency' appropriately)
+ // This also lets us update our subscription to the hub, and add or replace hubs in case it
+ // changed. We will only update hubs once a day, regardless of 'pushpoll_frequency'.
+
+
+ if($contact['subhub']) {
+ $interval = get_config('system','pushpoll_frequency');
+ $contact['priority'] = (($interval !== false) ? intval($interval) : 3);
+ $hub_update = false;
+
+ if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day"))
+ $hub_update = true;
+ }
+
+
+ /**
+ * Based on $contact['priority'], should we poll this site now? Or later?
+ */
+
+ switch ($contact['priority']) {
+ case 5:
+ if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 month"))
+ $update = true;
+ break;
+ case 4:
+ if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 week"))
+ $update = true;
+ break;
+ case 3:
+ if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day"))
+ $update = true;
+ break;
+ case 2:
+ if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 12 hour"))
+ $update = true;
+ break;
+ case 1:
+ default:
+ if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 hour"))
+ $update = true;
+ break;
+ }
+ if((! $update) && (! $force))
+ continue;
+ }
+