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Editorial Team
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Asked: 2026-06-05T07:13:10+00:00

I have read a lot about the clear cache command for symfony2, but I

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I have read a lot about the clear cache command for symfony2, but I have this question :

Is php app/console cache:clear --env=prod with --env, changes the environment or just clean the cache for that environment?

If only clear the cache for that environment, then what is this line mean in app.php :

$kernel = new AppKernel('prod', false);

I think when I want to use Symfony2 Production Environment I have to change that line to 

$kernel = new AppKernel('prod', true);

Am I in the right spot?

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1 Answer

  1. Editorial Team

    The two constructor arguments for Symfony\Component\HttpKernel\Kernel are $environment and $debug.

    So, to answer your question directly, app.php already uses the production environment. You’ll notice that app_dev.php instantiates the kernel like this

    $kernel = new AppKernel('dev', true);

    So, the environment name that you pass to the kernel constructor maps to the environment name you’d use in console commands (i.e., the --env).

    Does that clear it up for you?

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