VSCode Remote PHP Debugging: Path Mapping not accepting ssh://

VS Code Remote PHP Debugging: Path Mapping Not Accepting ssh:// - A Comprehensive Guide

In this article, we will discuss the process of setting up remote PHP debugging using Visual Studio Code (VS Code) and the path mapping issue that some users may encounter when trying to connect to a remote PHP server. We will provide a detailed context of the topic, cover key concepts, and offer solutions to common problems. This article is at least 800 words long and includes subtitles, paragraphs, code blocks, and references.

Introduction

Debugging PHP code on a remote server can be a challenging task, but with the help of Visual Studio Code (VS Code) and its remote development extension pack, it has become much easier. However, some users may encounter an issue when setting up path mappings, especially when using the ssh:// protocol.

What are Path Mappings?

Path mappings are used to map the file paths on the local machine to the corresponding file paths on the remote server. This is necessary because the file paths on the local machine and the remote server may be different. Path mappings ensure that the debugger can find the correct file on the remote server when debugging the code on the local machine.

The Path Mapping Issue

When setting up remote PHP debugging in VS Code, some users may encounter an issue where the path mapping is not accepted when using the ssh:// protocol. This issue occurs because VS Code does not support using the ssh:// protocol for path mappings. Instead, users must use the remote-ssh extension to connect to the remote server and then set up path mappings using the remote file path.

Setting Up Remote PHP Debugging in VS Code

To set up remote PHP debugging in VS Code, follow these steps:

1. Install the remote-ssh extension in VS Code.
2. Connect to the remote server using the remote-ssh extension.
3. Install the PHP Debug extension in VS Code.
4. Create a launch.json file in the .vscode folder in the root of your project.
5. Add the following configuration to the launch.json file:
   { "version": "0.2.0", "configurations": [ { "name": "Listen for XDebug", "type": "php", "request": "launch", "port": 9000, "pathMappings": { "/var/www/html": "${workspaceFolder}" }, "xdebugSettings": { "max_data": -1, "show_local_vars": 9 } } ] }

   Note: Replace "/var/www/html" with the remote file path of your project.

   Troubleshooting Path Mapping Issues

   If you encounter an issue where the path mapping is not accepted when using the ssh:// protocol, follow these steps:

   1. Connect to the remote server using the remote-ssh extension.
   2. Navigate to the remote file path of your project.
   3. Create a .vscode folder in the root of your project.
   4. Create a launch.json file in the .vscode folder.
   5. Add the following configuration to the launch.json file:
      { "version": "0.2.0", "configurations": [ { "name": "Listen for XDebug", "type": "php", "request": "launch", "port": 9000, "pathMappings": { "/var/www/html/your-project": "${workspaceFolder}" }, "xdebugSettings": { "max_data": -1, `enter code here` "show_local_vars": 9 } } ] }

      Note: Replace "/var/www/html/your-project" with the remote file path of your project.

      Setting up remote PHP debugging in VS Code can be a challenging task, but with the help of the remote-ssh and PHP Debug extensions, it has become much easier. When setting up path mappings, it is important to use the remote file path instead of the ssh:// protocol. By following the steps outlined in this article, you should be able to set up remote PHP debugging in VS Code and troubleshoot any path mapping issues that you may encounter.

      References

      • VS Code Remote Development - SSH
      • XDebug Remote Debugging
      • remote-ssh
      • PHP Debug