Xdebug - Debugger and Profiler Tool for PHP

You're visiting the archived website and documentation of Xdebug 2, which is no longer supported. This website is temporarily available and will be discontinued on Dec 31st, 2021.

If you find Xdebug useful, please consider supporting the project.

Xdebug is an extension for PHP to assist with debugging and development.

It contains a single step debugger to use with IDEs
it upgrades PHP's var_dump() function
it adds stack traces for Notices, Warnings, Errors and Exceptions
it features functionality for recording every function call and variable assignment to disk
it contains a profiler
it provides code coverage functionality for use with PHPUnit

Announcements

2020-09-28 - Xdebug 2.9.8 is out!
2020-09-16 - Xdebug 2.9.7 is out!
2020-05-29 - Xdebug 2.9.6 is out!
2020-04-25 - Xdebug 2.9.5 is out!
2020-03-23 - Xdebug 2.9.4 is out!

See all announcements

This work is made possible through the generous support of Xdebug's business-tier sponsors:

You can also be listed as a supporter by signing up for a Business package.