Looks like a good idea to me. Up for a PR?

Yes, I can try. Thanks.

Would that work in the end?
It seems to me the env vars are cached higher in the stack (in the container) to cache across different processors (see

Would that work in the end?
It seems to me the env vars are cached higher in the stack (in the container) to cache across different processors (see

symfony/src/Symfony/Component/DependencyInjection/Container.php

Lines 339 to 372 in 5ae5791

	protected function getEnv(string $name): mixed
	{
	if (isset($this->resolving[$envName = "env($name)"])) {
	throw new ParameterCircularReferenceException(array_keys($this->resolving));
	}
	if (isset($this->envCache[$name]) || \array_key_exists($name, $this->envCache)) {
	return $this->envCache[$name];
	}
	if (!$this->has($id = 'container.env_var_processors_locator')) {
	$this->set($id, new ServiceLocator([]));
	}
	$this->getEnv ??= $this->getEnv(...);
	$processors = $this->get($id);
	if (false !== $i = strpos($name, ':')) {
	$prefix = substr($name, 0, $i);
	$localName = substr($name, 1 + $i);
	} else {
	$prefix = 'string';
	$localName = $name;
	}
	$processor = $processors->has($prefix) ? $processors->get($prefix) : new EnvVarProcessor($this);
	if (false === $i) {
	$prefix = '';
	}
	$this->resolving[$envName] = true;
	try {
	return $this->envCache[$name] = $processor->getEnv($prefix, $localName, $this->getEnv);
	} finally {
	unset($this->resolving[$envName]);
	}
	}

)

Indeed, those would need to be reset as well, thanks I had missed that.