Configure XDebug Extension for PHP on Eclipse

There are quite a lot of posts online that guides on how to install Xdebug and then configure it with your PHP Editor. I found many of the tutorials confusing and was not able to accomplish the task with them.

I was able to configure xDebug on my OSX (Yosemite) with XAMPP Stack and Eclipse as the Editor with the following steps.

Since xDebug is an PHP Extension. Many other tutorial guides you to download the XDebug and then compile and include it in php.ini file.

** First of all check if you already have XDebug package complied in your system. As it already comes with XAMPP or other stack package, chances are that you already have it available with you.

In XAMPP you should have the compiled xDebug code at following location


** Please note that the actual file name will be different in your machine.

Configure PHP to Use XDebug

1. Edit php.ini file

Open your php.ini for editing which should be located at /Applications/XAMPP/xamppfiles/etc/ in OSX. Add the following lines at the end of php.ini


Dont forget to change your file name accordingly.

2. Restart your apache server and run phpinfo(); , you should see a xdebug section in there like below.

Screen Shot 2015-03-31 at 12.19.59 am

Configuring XDebug in Eclipse

3. Open the ‘preferences’ settings in your eclipse and go to General -> Web Browser. Choose your default web browser. We are doing this so that eclipse opens your application in your browser as opposed to its internal browser when it starts debugging.

Screen Shot 2015-03-31 at 12.25.25 am

4. Go to preferences PHP-> Servers. You should find your default web server listed there. Click on Edit and choose XDebug as the Debugger. Make sure you have the right Base URL and Local web root entries there.

Screen Shot 2015-03-31 at 1.10.40 am

5. In the preferences centre itself go to PHP->Debug->Installed Dubuggers. You should find Xdebug there with port 9000. Click on configure, make sure Accept remote Session (JIT) is set to ‘any’
Screen Shot 2015-03-31 at 12.53.20 am

6. In preferences go to PHP-> Debug. And make sure you have XDebug as the debugger and your PHP Server pointing to correct server and URL.

Screen Shot 2015-03-31 at 12.55.47 am

7. Now we are all set to debug our PHP application. Right click on your project and choose Debug As -> Debug Configuration. Create a new debug configuration that we will be using from next time subsequently.

Screen Shot 2015-03-31 at 1.21.22 am

Choose the correct start URL and your default URL, Click on Debug, Eclipse will prompt you to allow opening the debug perspective.

Screen Shot 2015-03-31 at 1.28.40 am

You should now be able to set the breakpoints and watch the variable values and do all sort of obvious debugging things in this perspective.

Happy Debugging. !!

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