(No version information available, might only be in SVN)
AMQPQueue::ack — Acknowledge the receipt of a message
This method allows the acknowledgement of a message that is retrieved with the AMQP_NOACK flag through
AMQPQueue::get() or AMQPQueue::consume()
The message delivery tag of which to acknowledge receipt.
The only valid flag that can be passed is AMQP_MULTIPLE.