src/Driver/PhpAmqpLibDriver.php
public function close()
    {
        $this->stop = true;

        $this->getChannel()->close();
        $this->connection->close();
    }
public function close()
    {
        $this->stop = true;

        $this->getChannel()->close();
        $this->connection->close();
    }
Close the connection

@return void