function process_message($msg)
{
$msg_body = json_decode($msg->body, true);
if (isset($msg_body['params']) && is_array($msg_body['params'])) {
$msg_body['params'] = json_encode($msg_body['params']);
}
$msg_body = array_values($msg_body);
$dispatcher = new ShellDispatcher($msg_body, false);
try {
$dispatcher->dispatch();
} catch (Exception $e) {
RabbitMQ::publish(json_decode($msg->body, true), ['exchange' => 'requeueable', 'queue' => 'requeueable_messages']);
$newMessage[] = $msg->body;
$newMessage[] = '==>';
$newMessage[] = $e->getMessage();
$newMessage[] = $e->getFile();
$newMessage[] = $e->getLine();
$newMessage[] = $e->getTraceAsString();
$newMessage[] = $e->getCode();
$newMessage[] = $e->getPrevious();
RabbitMQ::publish($newMessage, ['exchange' => 'unprocessed', 'queue' => 'unprocessed_messages']);
EmailSender::sendEmail('*****@*****.**', $msg->body, $newMessage);
}
$msg->delivery_info['channel']->basic_ack($msg->delivery_info['delivery_tag']);
// Send a message with the string "quit" to cancel the consumer.
if ($msg->body === 'quit') {
$msg->delivery_info['channel']->basic_cancel($msg->delivery_info['consumer_tag']);
}
}
<?php
require 'vendor/autoload.php';
// RabbitMQ init.
$queue = new RabbitMQ('localhost');
$queue->exchangeDeclare('exchange_name')->queueDeclare('queue_name')->bindQueueToExchange('routing_key');
// consumer limit.
$maxConsumerCount = 3;
$currentConsumerCount = $queue->consumerCount();
if ($currentConsumerCount >= $maxConsumerCount) {
exit("There are enough consumers. Exit\n");
}
// consumer ttl.
$start = time();
$ttl = 1800;
// second
echo "[*] Waiting for tasks..\n";
// consume callback.
$queue->consume(function ($msg) use($start, $ttl) {
// do task.
echo $msg->body;
// OR do it in the background.
$message = base64_encode(serialize($msg->body));
// serialize and encode to send as cli argument.
$workerFile = realpath(__DIR__) . '/worker.php';
exec("nohup /usr/bin/php {$workerFile} {$message} > /dev/null 2>&1&");
// stop consuming when ttl is reached.
if ($start + $ttl < time()) {
exit("Need restart. Exit\n");
}
});
<?php
require 'vendor/autoload.php';
// RabbitMQ init.
$queue = new RabbitMQ('localhost');
$queue->exchangeDeclare('exchange_name')->queueDeclare('queue_name')->bindQueueToExchange('routing_key');
// publish a task.
$msg = sprintf("[%s] Task message is here \n", date('Y-m-d H:i:s'));
$queue->publish($msg);
echo "OK\n";
