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Xdebug Update: August 2020

syndicated from on September 8, 2020

Xdebug Update: August 2020

Another monthly update where I explain what happened with Xdebug development in this past month. These will be published on the first Tuesday after the 5th of each month. Patreon and GitHub supporters will get it earlier, on the first of each month. You can become a patron to support my work on Xdebug. If you are leading a team or company, then it is also possible to support Xdebug through a subscription.

In August, I worked on Xdebug for about 80 hours, with funding being around 70 hours. I worked mostly on the following things:

Xdebug 3

This month I focussed on making it easier to spot what Xdebug is doing, and how and why it is trying to connect to a debugging client, creating files, etc. For this I reworked Xdebug's logging mechanism. Instead of it just being used for the step debugger, the logging mechanism is now used for everything, and as part of that I've renamed xdebug.remote_log to xdebug.log. The log will contain all messages with levels that match the xdebug.log_level setting, but Xdebug will now also send errors through PHP's standard error mechanism. Errors include not being able to open a log file, to create a profile or trace file, or issues with making debugging connections.

The biggest new addition is the xdebug_info() function , which acts as a Xdebug specific phpinfo() and contains configuration information about Xdebug, but more importantly lists warnings and errors. Where possible, a link to the documentation is included as well, where I set up a new page that includes all the warning and error messages that Xdebug can generate. I have tried to add information about how a specific message is created, and what you can do to resolve the issue if possible.

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