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php - How to invalidate container cache in Symfony2?

Part of my Symfony app configuration is being loaded from legacy database, so sometimes I need to invalidate container cache to make use of updated data.

Is there any API to invalidate Symfony container cache programmatically?

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  1. As per CacheClearCommand:

    $filesystem   = $this->container->get('filesystem');
    $realCacheDir = $this->container->getParameter('kernel.cache_dir');
    $this->container->get('cache_clearer')->clear($realCacheDir);
    $filesystem->remove($realCacheDir);
    
  2. Directly call CacheClearCommand from code:

    services.yml

    clear_cache_command_service:
        class: SymfonyBundleFrameworkBundleCommandCacheClearCommand
        calls:
           - [setContainer, ["@service_container"] ]
    

    Than it's possible to do something like this (note that this will warmup the cache):

    $clearCacheCommand = $this->container->get('clear_cache_command_service');
    $clearCacheCommand->run(new ArgvInput(), new ConsoleOutput());
    

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