[Tutorial] How to add Xdebug to Laragon


  • administrators
    | 91058 points

    You can add Xdebug to Laragon easily.
    Method 1: Using phpinfo() & Xdebug Wizard

    1. Copy phpinfo() content:
      http://localhost/?q=info

    2. Paste the copied data to the form in the Xdebug Wizard page
      https://xdebug.org/wizard.php

    3. Click "Analyse my phpinfo() output", and follow the instructions.

    Note: Their instructions will ask for "4. Restart the webserver" but with Laragon, you just need to click Reload button.


  • | 3729 points

    @leokhoa I found I also needed to add xdebug.remote_enable=1 to the php.ini file. Otherwise, those steps worked great.


  • | 177 points

    Still can't get it to work. I place a break in my php program then open it in my Chrome browser and launch it using:
    http://localhost:8080/operators.php
    No luck.
    I've got it working in XAMPP though.
    My phpinfo reports:
    This program makes use of the Zend Scripting Language Engine:
    Zend Engine v3.1.0, Copyright (c) 1998-2018 Zend Technologies
    with Xdebug v2.6.1, Copyright (c) 2002-2018, by Derick Rethans

    Solution found:
    Add the following 3 lines to php.ini
    [xdebug]
    xdebug.remote_enable= 1
    xdebug.remote_autostart = 1


  • | 3254 points

    You need xdebug.remote_enable=1 if you plan to contact a debug client. Which I would suspect a lot of people would/should. However, it's not required, its just one feature of xDebug. You can still get a lot of value from xDebug even if it's turned off (which it is by default).

    Also by off by default is remote_autostart. Setting xdebug.remote_autostart=1 will force xDebug to always attempt to connect to the remove client, regardless if the XDEBUG_SESSION is properly set. I actually don't believe this should be recommended for all. Most users should leave this off and use the XDEBUG_SESSION cookie instead. There are many browser plugins that can set this for you, and I should think that would be the recommended way. Remote debugging carries a large performance hit, and I've seen it cause issues in some edge cases. So I would think most people would only want that when they are actually stepping through code, and not every single time you make a request to the website. To each their own, but I felt it was important to point out just in case a reader was not familiar with what these settings do.

    ( Here are the all the setting if you want to read more: https://xdebug.org/docs/all_settings )


  • | 3254 points

    Here are the plugins/extensions from https://xdebug.org/docs/remote if interested...

    ...You would use these as one option instead of setting xdebug.remote_autostart=1. Or you could just set the cookie manually, or by script, etc. More information on remote debugging is on that page as well.


  • | 177 points

    @pfaciana thank you - this is way over my head at the moment, but it gives me something to look into.


  • | 778 points

    What is the purpose of the PHP -> Quick Settings -> xdebug option? Clicking it restarts Apache & Nginx but doesn't disable xdebug (once installed per above method).

    Is it purely for notification purposes?


  • | 3729 points

    @danieliser kinda a good question. As I understand it, it should really toggle xdebug on and off. So it sounded great but I haven't got it to work yet. (To enable xdebug, I followed the above instructions; and to disable it, I remove the xdebug lines from my php config file, save, and restart Laragon)
    You should probably start a separate topic with your question IMO


  • | 177 points

    Ugh! My xdebug has stopped working in web mode, though running it with a local script works ok. It doesn't appear to be listening to the web server at all.


  • | 3729 points

    @Michael-Chean that's a mystery alright. You should probably create a new issue (feel free to ping me and I'll try to help)


  • | 177 points

    @mnelson4 Thank you, it was a boneheaded mistake on my part - sorry. Reinstalled using PHP Tools for VS Code and it worked.


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