At least the current version (1.0.7) uses
function bind($exchangeName, $routingKey[, $flags]);
(PECL amqp >= Unknown)
AMQPExchange::bind — Bind to another exchange
Bind an exchange to another exchange using the specified routing key.
The name of the destination exchange in the binding.
The name of the source exchange in the binding.
The routing key to use as a binding.
TRUE em caso de sucesso ou
FALSE em caso de falha.
Throws AMQPExchangeException on failure.
Throws AMQPChannelException if the channel is not open.
Throws AMQPConnectionException if the connection to the broker was lost.