PhpAmqpLib/Channel/AMQPChannel.php
public function tx_rollback()
    {
        $this->send_method_frame(array(90, 30));

        return $this->wait(array(
            $this->waitHelper->get_wait('tx.rollback_ok')
        ), false, $this->channel_rpc_timeout);
    }
public function tx_rollback()
    {
        $this->send_method_frame(array(90, 30));

        return $this->wait(array(
            $this->waitHelper->get_wait('tx.rollback_ok')
        ), false, $this->channel_rpc_timeout);
    }
public function tx_rollback ( ) { $ this -> send_method_frame ( array ( 90 , 30 ) ) ; return $ this -> wait ( array ( $ this -> waitHelper -> get_wait ( 'tx.rollback_ok' ) ) , false , $ this -> channel_rpc_timeout ) ; }
Rollbacks the current transaction

@throws \PhpAmqpLib\Exception\AMQPTimeoutException if the specified operation timeout was exceeded
@return mixed
Rollbacks the current transaction