In symfony2, why AppKernel Instantiated twice?

Question

I use symfony2. In AppKernel.php, I writed like this:

class AppKernel extends Kernel {

    public function __construct ($environment, $debug) {
        parent::__construct($environment, $debug);
        echo "ok";
    }
}

in the page, it shows "ok" once in prod environment, but shows twice in dev environment. it seems the AppKernel is instantiated twice? I don't know why. Any ideas?

Paul Andrieux · Accepted Answer · 2013-12-05 09:47:37Z

2

In dev environment, symfony2 provides the "web debug toolbar", which is loaded asynchronouly. This means that a second kernel is booted to load the bar.

answered Dec 5, 2013 at 9:47

Paul Andrieux

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1 Comment

Xxvholic Over a year ago

Thank you. but I have closed "web debug toolbar". Is that in app/config/config_dev.yml? web_profiler: toolbar: false intercept_redirects: false

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