Configuring the Directory where Sessions Files are Saved

By default, Symfony stores the session data in the cache directory. This means that when you clear the cache, any current sessions will also be deleted.

Using a different directory to save session data is one method to ensure that your current sessions aren't lost when you clear Symfony's cache.

To change the directory in which Symfony saves session data, you only need change the framework configuration. In this example, you will change the session directory to app/sessions:

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# app/config/config.yml
framework:
    session:
        save_path: "%kernel.root_dir%/sessions"

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<!-- app/config/config.xml -->
<framework:config>
    <framework:session save-path="%kernel.root_dir%/sessions" />
</framework:config>

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// app/config/config.php
$container->loadFromExtension('framework', array(
    'session' => array('save-path' => "%kernel.root_dir%/sessions"),
));