Recently my FireFox automatically updated itself and disabled XDebug helper plugin, which I use to debug PHP scripts with Komodo IDE. While it is possible to start debugging by adding XDEBUG_START_DEBUG=1 to the URL, it is not very convenient when debugging such framed applications as TYPO3 Backend.

There is no update for this plugin. Even worse: it is disappeared from the list of FireFox plugins. Fortunately I have it locally and managed to cheat FireFox to recognize this plugin as valid.

It is quite simple. Firsts, you need to shutdown FireFox. Next you need to go to the extensions/ subdirectory of your FireFox profile. On Mac it is in ~/Library/Application Support/Firefox/Profiles/ff3.default. In the extensions/ you will see xdebughelper@mail.ru and install.rdf inside it. Open this file in the text editor. You need to change two values there:

  • set em:maxVersion to 3.*
  • increase em:version

Start FireFox and you have XDebug icons in FireFox again!