Start Xdebug session for Symfony CLI commands

Question

My dev setup includes PHP 8 and Xdebug 3 in a docker container for a Symfony project.

Currently I use xdebug.start_with_request=yes, but I don't like the performance impact that has.

How do I start an Xdebug session on demand for Symfony console commands?

yivi · Accepted Answer · 2021-02-16 12:33:37Z

2

Set Xdebug mode to off(xdebug.mode = off; in your settings), set the environment variable XDEBUG_MODE = debug only for the script you are executing:

XDEBUG_MODE = debug bin/console run:my:command

Now Xdebug will only be enabled while you execute bin/console run:my:command.

You mention that you are executing your scripts inside a docker container, but that shouldn't change things too much. You could pass the environment variable in the docker exec call with the --env argument.

edited Feb 16, 2021 at 12:33

answered Feb 16, 2021 at 9:33

yivi

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2 Comments

simon.ro Over a year ago

thanks @yivi! Setting the XDEBUG_MODE manually is probably the best i can do. But it actually should be XDEBUG_MODE=debug bin/console run:my:command (without ;)

yivi Over a year ago

Fixed it for you. When the env vars are actually populated or not is something that can be confusing sometimes. I had better luck with ;, and I'm not the only one. I guess it depends exactly what are you running and where do you need the env var to be available.

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