public function writeBufferRequestBacklogAll($messageIdFirst, $messageIdLast, $maxAmount, $additional)
    {
        return $this->write(array(
            Protocol::REQUEST_SYNC,
            "BacklogManager",
            "",
            "requestBacklogAll",
            new QVariant((int)$messageIdFirst, 'MsgId'),
            new QVariant((int)$messageIdLast, 'MsgId'),
            (int)$maxAmount,
            (int)$additional
        ));
    }
public function writeBufferRequestBacklogAll($messageIdFirst, $messageIdLast, $maxAmount, $additional)
    {
        return $this->write(array(
            Protocol::REQUEST_SYNC,
            "BacklogManager",
            "",
            "requestBacklogAll",
            new QVariant((int)$messageIdFirst, 'MsgId'),
            new QVariant((int)$messageIdLast, 'MsgId'),
            (int)$maxAmount,
            (int)$additional
        ));
    }
public function writeBufferRequestBacklogAll ( $ messageIdFirst , $ messageIdLast , $ maxAmount , $ additional ) { return $ this -> write ( array ( Protocol :: REQUEST_SYNC , "BacklogManager" , "" , "requestBacklogAll" , new QVariant ( ( int ) $ messageIdFirst , 'MsgId' ) , new QVariant ( ( int ) $ messageIdLast , 'MsgId' ) , ( int ) $ maxAmount , ( int ) $ additional ) ) ; }
Sends a backlog request for all messages in all channels

@param int $messageIdFirst
@param int $messageIdLast
@param int $maxAmount
@param int $additional
@return bool
@see self::writeBufferRequestBacklog() for parameter description
Sends a backlog request for all messages in all channels