Using Xdebug debugging technology in ThinkPHP6

ThinkPHP6 is a popular PHP framework that uses a variety of technologies to make development more convenient. One such technology is debugging tools such as Xdebug. In this article, we will explore how to use Xdebug for debugging in ThinkPHP6.

Installation and Configuration of Xdebug

Before you start using Xdebug, you first need to install and enable it. In the php.ini file, you can add the following configuration:

[xdebug]
zend_extension = xdebug.so
xdebug.remote_enable = 1
xdebug.remote_autostart = 1

Among them, zend_extension is the installation path of Xdebug, which can be found in phpinfo(). remote_enable and remote_autostart are used to enable Xdebug remote debugging. You can also modify the debugging port, IP address and other related configurations here.

Start Xdebug

After setting the Xdebug configuration, you can start it. There are two startup methods:

1. Use PHPStorm configuration: In PHPStorm, you need to select "Edit Configurations" > "PHP Remote Debug" and set the Xdebug configuration items, such as port number and server IP wait.
2. Start using the command line: Enter the command php -dxdebug.remote_enable=1 -dxdebug.remote_autostart=1 ./your_script.php in the terminal to start Xdebug debugging.

Debug your application

After starting Xdebug, you can start debugging your application. One way to debug is to add breakpoints. In ThinkPHP6, it is possible to add breakpoints in the controller code. For example, the following code shows adding a breakpoint in the controller for debugging UserController:

appcontrollerUserController.php

<?php
declare(strict_types=1);

namespace appcontroller;

use appBaseController;
use appmodelUser as UserModel;

class UserController extends BaseController
{
    public function read($id)
    {
        $user = UserModel::find($id);

        return json($user);
    }

    public function index()
    {
        $users = UserModel::select();

        return json($users);
    }
}

In this example, you can add a breakpoint at $user = UserModel::find($id ); on this line of code. When the application reaches this line, Xdebug will pause the execution of the application, open the debugger and allow you to view the values ​​of variables, the path of code execution, etc.

From here, you can control the application's execution in the debugger window, step through it (run one line of code at a time), or otherwise control the application's execution.

Summary

Xdebug is a very useful tool, especially when debugging large applications. When using ThinkPHP6, using Xdebug for debugging can effectively improve development efficiency and shorten the development cycle. Mastering the basic usage of Xdebug can help you better understand the code and improve code quality.

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