require_once('../vendor/autoload.php');

use PhpAmqpLib\\Connection\\AMQPStreamConnection;
use PhpAmqpLib\\Message\\AMQPMessage;

$exchange_name = 'exchange_name';
$exchange_type = 'direct';

// Create a connection.
$connection = new AMQPStreamConnection(
    $host,
    $port,
    $username,
    $password,
    $vhost,
    false,
    'PLAIN');
// Establish a channel.
$channel = $connection->channel();
// Declare an exchange.
$channel->exchange_declare($exchange_name, $exchange_type, false, true, false);

// Set the message Routing Key.
$routing_keys = array('info', 'waring', 'error');

for ($x = 0; $x < count($routing_keys); $x++) {
    // Message content.
    $msg = new AMQPMessage('This is a direct[' . $routing_keys[$x] . '] message!');
    // Send a message to the specified exchange and set the Routing Key.
    $channel->basic_publish($msg, $exchange_name, $routing_keys[$x]);

    echo " [Producer(Routing)] Sent '" . $msg->body . "'\\n";
}
// Release resources.
$channel->close();
$connection->close();

<?php

require_once('../vendor/autoload.php');
require_once('../Constant.php');

use PhpAmqpLib\\Connection\\AMQPStreamConnection;

$exchange_name = 'exchange_name';
$exchange_type = 'direct';
$queue_name = 'route_queue1';

// Create a connection.
$connection = new AMQPStreamConnection(
    $host,
    $port,
    $username,
    $password,
    $vhost,
    false,
    'PLAIN');
// Establish a channel.
$channel = $connection->channel();
// Declare an exchange.
$channel->exchange_declare($exchange_name, $exchange_type, false, true, false);
// Declare a message queue.
$channel->queue_declare($queue_name, false, true, false, false);

// Set the queue Routing Key.
$routing_keys = array('info', 'waring', 'error');
for ($x = 0; $x < count($routing_keys); $x++) {
    // Bind the message queue to the specified Exchange and set the Routing Key.
    $channel->queue_bind($queue_name, $exchange_name, $routing_keys[$x]);
}

echo " [Consumer1(Routing: info/waring/error)] Waiting for messages. To exit press CTRL+C\\n";

// Message callback (message consumption logic).
$callback = function ($msg) {
    echo ' [Consumer1(Routing: info/waring/error)] Received ', $msg->body, "\\n";
};
// Create a consumer to listen to the specified message queue.
$channel->basic_consume($queue_name, '', false, true, false, false, $callback);

while ($channel->is_open()) {
    $channel->wait();
}
// Disable resources.
$channel->close();
$connection->close();