PhpStorm debugger not stopping at BreakPoints; keeps waiting for xdebug _SESSION_

Question

Updated question : PhpStorm | WebMatrix (IISExpress) | Xdebug.remote_port | — Which Port(s) to put where?

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Answer 1

I had an issue where one project would work and not another one. I tried many different configurations and I tried looking at the logs of xdebug, etc. This fix seems to have resolved my issue:

Try setting your actual ports of xdebug to 9123 instead 9000.

The new version (9) of PHPStorm changed its default xdebug connetion port to 9123 (the PHPSTORM config, not the actual xdebug config), probably for a good reason, since having the PHPSTORM config to the xdebug default 9000 didn't work but having them set to 9123 did work and resolved the issue.