Using remote debugging in ThinkPHP6

ThinkPHP6 is an easy-to-learn and powerful PHP framework. When developing a project, you are likely to face some problems that are difficult to locate, such as database connection problems, code errors, etc. In order to solve these problems, we need to debug the program. In this article, we will introduce how to use remote debugging in ThinkPHP6.

What is remote debugging?

Remote debugging is a debugging technology between different computers or devices. Unlike local debugging, remote debugging allows developers to analyze and fix code issues on a remote computer or device without having to execute the code on the local development environment. Remote debugging is generally used for distributed applications, network applications, cloud applications, etc.

Why do you need remote debugging?

During the development process, sometimes we encounter some problems that are difficult to solve, such as code errors, database connection problems, etc. These problems may be special circumstances in the development environment, or they may be errors caused by network conditions, server configuration, etc. Failure to resolve these issues in a timely manner can lead to delays in development progress and disruption to workflow. By using remote debugging tools, we can quickly solve these problems and save time.

How to use remote debugging in ThinkPHP6?

In ThinkPHP6, we can use Xdebug for remote debugging. Before that, we need to make three preparations.

1. Install Xdebug on both the local and remote servers.
2. Enable Xdebug in the PHP.ini file.
3. Enable Xdebug’s remote debugging port.

The following are the steps to use remote debugging:

1. Enable remote debugging option

We need to add the following code to the .env file of the project:

APP_DEBUG=true
APP_ENV=dev
APP_TRACE=false

2. Enable Xdebug remote debugging port

Add the following code to the end of the PHP.ini file:

[Xdebug]
zend_extension="path/to/xdebug.so"
xdebug.remote_enable=1
xdebug.remote_host="x.x.x.x" //Replace x.x.x.x with your IP address
xdebug.remote_port=9000
xdebug.remote_autostart=1
xdebug.remote_handler=dbgp
xdebug.remote_log="path/to/xdebug.log"

3. Connect to the remote debugging client

Now we can use a remote debugging client such as VS Code to connect to the Xdebug debugger on the remote server. First, select "Debug" in the left menu of VS Code and click "New Launch Configuration". Select PHP, then select "Xdebug" and fill in the Xdebug debugging port number in the "port" box. Next, click "Additional Configuration" and fill in the following code:

// remote server IP
"remoteHost": "x.x.x.x", // Replace x.x.x.x with your IP address
// break at first line
"breakOnStart": true,
// Xdebug launcher
"pathMappings": {

"/var/www/project": "${workspaceFolder}"

},

Finally, save the configuration and start debugging device.

Conclusion

By using remote debugging, developers can quickly solve some troublesome problems in the development environment, thereby saving time. During this process, we used Xdebug to integrate it with ThinkPHP6, allowing us to quickly identify and resolve code issues during debugging. This is a good practice that novice developers should learn and try.

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