Is it possibile to log to the stream that is completely outside of the application environment? about monolog

[Seldaek]

You should be able to use a StreamHandler with php://stdout or php://stderr as URL?

[javaDeveloperKid]

php://stdout (or err) is the stream for the running process, right? I would like to use a stream from another process. Example:
In first terminal:

# start the web server (this could be also an fpm docker image running)
$ php -S 127.0.0.1 index.php
# this terminal is a php://stderr for the web server

In second terminal:

# run api tests that send api calls to web server
$ vendor/bin/phpunit
# this terminal is a php://stderr for the unit tests

I would like to send logs also to the second terminal.

[Seldaek]

Ah I see.. then IMO the next best thing might be to have a step after phpunit is done that checks the test log file and outputs anything that's in it if present.. There are for sure other options to communicate between processes but that doesn't really seem worth the hassle here to have a custom handler talking to the phpunit process etc.

[javaDeveloperKid]

Good idea. With this solution one more thing that's required to do is to create a single file per one test run. Will check if RotatingFileHandler can be configured for that.
Or empty the file before tests start.

[Seldaek]

Yeah I'd empty it in the tests bootstrap, keep it simple.