Horde_ActiveSync_Collections::_getMissingCollectionsFromCache PHP Method

    protected function _getMissingCollectionsFromCache()
    {
        if (empty($this->_tempSyncCache)) {
            throw new Horde_ActiveSync_Exception('Did not initialize the PARTIAL sync.');
        }
        // Update _collections with all data that was not sent, but we
        // have a synckey for in the sync_cache.
        foreach ($this->_tempSyncCache->getCollections() as $value) {
            // The collection might have been updated due to incoming
            // changes. Some clients send COMMANDS in a PARTIAL sync and
            // initializing the PARTIAL afterwards will overwrite the various
            // flags stored in $collection['id'][]
            if (!empty($this->_collections[$value['id']])) {
                continue;
            }
            $this->_logger->info(sprintf('Using SyncCache State for %s', $value['serverid']));
            if (empty($value['synckey'])) {
                $value['synckey'] = $value['lastsynckey'];
            }
            $this->_collections[$value['id']] = $value;
        }
    }