MongoClient::connectToReplSet PHP Метод

    private function connectToReplSet()
    {
        $repl_set_info = $this->getReplSetInfo();
        // Get replset info from the PRIMARY
        // This will fail to get info if server is not using a replica set, but that's fine
        if ($repl_set_info['ok'] != 1 || !$repl_set_info['retval']['conf'] || !$repl_set_info['retval']['status']) {
            // If we're trying to use a replica set, this is fatal
            $msg = "Unable to get replica set config & status for host {$host}";
            throw new MongoConnectionException($msg);
        } else {
            $prunedMembers = array();
            foreach ($repl_set_info['retval']['status']['members'] as $member) {
                // We only care about hosts in our host list which have already have been updated
                // with the valid list from isMaster() and won't include arbiters/hidden members
                if (isset($this->hosts[$member['name']])) {
                    $this->hosts[$member['name']]['health'] = $member['health'];
                    $this->hosts[$member['name']]['state'] = $member['state'];
                    $prunedMembers[] = $member;
                }
            }
            // We don't care about members that aren't part of our host list as we can't read from or write to them
            $repl_set_info['retval']['status']['members'] = $prunedMembers;
            $this->replSetStatus = $repl_set_info['retval']['status'];
            $this->replSetConf = $repl_set_info['retval']['conf'];
        }
    }