How to debug swoole in Windows

Swoole is a high-performance and powerful network communication framework in the PHP language, supporting asynchronous IO, coroutine and other features. It has a wide range of application scenarios, such as Web servers, WebSocket servers, TCP/UDP servers, etc., and is widely used in various high-concurrency scenarios.

When debugging Swoole under Windows system, you often encounter some problems, such as how to configure, how to debug, etc. This article will introduce how to debug Swoole under Windows system.

1. Installing PHP

First you need to install the PHP environment in Windows. It is recommended to use version 7.1 or above. You can download the Windows version of PHP from the official website and install it.

2. Install Swoole

After installing PHP, you can install Swoole through the following command:

php -r "copy('https://get.swoole.com/swoole-4.3.3.tgz', 'swoole-4.3.3.tgz');"
php -r "if (hash_file('sha256', 'swoole-4.3.3.tgz') === '8fec131027eddf996c67c006b0f2228b58a3a3eb103abf9b195c0218a06d42af') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('swoole-4.3.3.tgz'); } echo PHP_EOL;"
php -r "if (!file_exists('swoole-4.3.3.tgz')) { echo 'Installer not found'; } else { echo 'Installer found'; } echo PHP_EOL;"

php -d detect_unicode=Off -d date.timezone=UTC "C:\Program Files\PHP\php.ini" install.php

The above command will download the latest version of Swoole and Install, where C:\Program Files\PHP\php.ini is your PHP configuration file path, which needs to be modified according to the actual situation.

3. Configuring IDE

Next, you need to configure the IDE (such as Visual Studio Code) to support Swoole debugging. The specific steps are as follows:

(1) Install the PHP Debug extension

Install the PHP Debug extension in Visual Studio Code. This extension can communicate with Swoole during debugging and supports single-step debugging and breakpoints. and other functions.

(2) Configure PHP Debug extension

Open settings in Visual Studio Code, search for "PHP Debug", find "PHP Debug Server Host", and set it to "127.0.0.1 ".

(3) Write a debugger

Write a simple Swoole debugger:

<?php
// 创建Server对象，监听 127.0.0.1:9501 端口
$serv = new \Swoole\Server("127.0.0.1", 9501);

// 监听连接进入事件
$serv->on('Connect', function ($serv, $fd) {
    echo "Client: Connect.\n";
});

// 监听数据接收事件
$serv->on('Receive', function ($serv, $fd, $from_id, $data) {
    $serv->send($fd, 'Swoole: ' . $data);
});

// 监听连接关闭事件
$serv->on('Close', function ($serv, $fd) {
    echo "Client: Close.\n";
});

// 启动服务器
$serv->start();

(4) Start debugging

In Visual Studio Code, Press the F5 key to start debugging, select "Listen for XDebug", and then visit http://localhost:9501 in the browser to start debugging.

4. Summary

The above is the entire process of Swoole debugging under Windows system. Through the configuration and debugging methods introduced in this article, Swoole development and debugging can be easily carried out, providing a more friendly development environment for the development of high-performance network applications. I hope readers can learn more about Swoole development skills and experience through this article.

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