In PHP queue workers, consuming message queues typically involves using a message broker, such as RabbitMQ, Redis, or Amazon SQS. Below is an example of how you can implement a simple queue worker in PHP to consume messages from a queue.
<?php
// Include the Composer autoloader
require 'vendor/autoload.php';
use PhpAmqpLib\Connection\AMQPStreamConnection;
use PhpAmqpLib\Message\AMQPMessage;
// Establish a connection to the RabbitMQ server
$connection = new AMQPStreamConnection('localhost', 5672, 'user', 'password');
$channel = $connection->channel();
// Declare the queue that we want to consume from
$channel->queue_declare('task_queue', false, true, false, false, false, null);
echo 'Waiting for messages...' . PHP_EOL;
// Callback function to process messages
$callback = function($msg) {
echo 'Received: ' . $msg->body . PHP_EOL;
// Simulate some processing time
sleep(substr_count($msg->body, '.'));
echo 'Done processing: ' . $msg->body . PHP_EOL;
};
// Start consuming messages from the queue
$channel->basic_consume('task_queue', '', false, false, false, false, $callback);
// Loop to keep the script running and waiting for messages
while ($channel->is_consuming()) {
$channel->wait();
}
// Close the channel and connection when done
$channel->close();
$connection->close();
?>
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