(PECL amqp >= Unknown)
AMQPExchange::publish — Publish a message to an exchange.
$message
   , string $routing_key
   [, int $flags = AMQP_NOPARAM
   [, array $attributes = array()
  ]] )Publish a message to the exchange represented by the AMQPExchange object.
message
     The message to publish.
routing_key
     The routing key to which to publish.
flags
     
       One or more of AMQP_MANDATORY and
       AMQP_IMMEDIATE.
      
attributes
     
| key | Description | Default value | 
|---|---|---|
| content_type | text/plain | |
| content_encoding | NULL | |
| message_id | NULL | |
| user_id | NULL | |
| app_id | NULL | |
| delivery_mode | NULL | |
| priority | NULL | |
| timestamp | NULL | |
| expiration | NULL | |
| type | NULL | |
| reply_to | NULL | 
   Returns TRUE on success or FALSE on failure.
  
Throws an AMQPExchangeException on failure.
Throws AMQPChannelException if the channel is not open.
Throws AMQPConnectionException if the connection to the broker was lost.