Implement message queue using ThinkPHP6

With the advent of the Internet and big data era, message queues have become an indispensable part of business development and data processing. In the field of PHP, the ThinkPHP framework has always been a popular choice among developers. This article will introduce how to use ThinkPHP6 to implement message queues, and provide you with some practical code examples.

1. Install message queue extension

Before we start making a message queue, we need to install a message queue extension (such as RabbitMQ or Beanstalkd). This article takes RabbitMQ as an example. The following are the installation steps:

1.1 Install Erlang

RabbitMQ is developed in Erlang language, so Erlang needs to be installed first.

1.2 Install RabbitMQ

Before installing RabbitMQ, you need to install the wget and gnupg tools first. Execute the following commands in the terminal:

sudo apt-get install wget gnupg -y

Then download and install RabbitMQ:

wget -O - "https://packagecloud.io/rabbitmq/rabbitmq-server/gpgkey" | sudo apt-key add -
sudo tee /etc/apt/sources.list.d/bintray.rabbitmq.list <
Create queues and consumers
In ThinkPHP6, we can use Worker (worker process) to create queues and consumers. The following are the specific steps: 
2.1 Turn on Worker mode
In the app.php file in the config directory, find the following code segment: 
    'worker' => [
        'type'  => 'socket',   // 驱动方式
        'host'  => '0.0.0.0',  // 监听地址
        'port'  => 2345,       // 监听端口
    ],
Modify it to the following content: 
    'worker' => [
        'type'      => 'rabbitmq',
        'host'      => 'localhost',
        'port'      => 5672,
        'user'      => 'guest',
        'password'  => 'guest',
        'vhost'     => '/',
        'exchange'  => 'test',  // 交换机名称
        'queue'     => 'test',  // 队列名称
    ],
Here will be the driver The mode is changed to rabbitmq, and the relevant configuration information of the RabbitMQ connection (local address, user name, password, etc.) as well as the name of the switch and queue are specified. 
2.2 Create a message producer
Create a controller named Task in the app directory. The method is called send. The code is as follows: 
namespace appcontroller;

use thinkworkerServer;

class Task extends Server
{
    public function send()
    {
        $data = ['name'=>'ThinkPHP','score'=>100];
        $this->worker->push(json_encode($data));
    }
}
Here, use Json format to Data is pushed to the message queue. 
2.3 Create a message consumer
Create a controller named Worker in the app directory. The method is named onMessage. The code is as follows: 
namespace appcontroller;

use thinkworkerServer;

class Worker extends Server
{
    public function onMessage($connection, $data)
    {
        // 处理逻辑
    }
}
In the onMessage method, We can customize the logic for processing received messages. For example, the data can be parsed and stored in a database, and then text messages or email notifications can be sent to users. 
Run Worker
After completing the above configuration, we only need to run the following command in the terminal to start the Worker mode: 
php think worker:server
 Testing the message queue
When testing the message queue, you can open two terminals. 
Run the following command in the first terminal to push the message to the queue: 
curl http://localhost:2345/task/send
Run the following command in the second terminal to observe the received message: 
php think worker:client
 
This article introduces how to use ThinkPHP6 to implement message queue. It can help developers handle large-scale data processing, asynchronous task execution, etc. faster, and improve the performance and stability of applications. 
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