MediaWiki extensions manual
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Release status: experimental
Implementation User interface
Description Integrates the whoops exception rendering library into the wiki.
Author(s) User:Tgr
Latest version 0.1.0 (2017-06-01)
Compatibility policy Snapshots releases along with MediaWiki. Master is not backward compatible.
MediaWiki 1.29
PHP 5.3+
Database changes No
License GNU General Public License 2.0 or later
Translate the Whoops extension if it is available at translatewiki.net

Check usage and version matrix.

Vagrant role whoops
Issues Open tasks · Report a bug

Whoops integrates the whoops library into MediaWiki, in order to show nice stack traces on errors.


  • If using Vagrant , install with vagrant roles enable whoops --provision
Manual installation
  • Download and place the file(s) in a directory called Whoops in your extensions/ folder.
  • Only when installing from git run Composer to install PHP dependencies, by issuing composer install --no-dev in the extension directory. (See task T173141 for potential complications.)
  • Add the following code at the bottom of your LocalSettings.php:
    wfLoadExtension( 'Whoops' );
  •   Done – Navigate to Special:Version on your wiki to verify that the extension is successfully installed.