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WARNING: You are browsing the documentation for Symfony 4.0 which is not maintained anymore. Consider upgrading your projects to Symfony 4.3.

You are browsing the Symfony 4.0 documentation, which changes significantly from Symfony 3.x. If your app doesn't use Symfony 4.0 yet, browse the Symfony 3.4 documentation.

How to Debug the Service Container & List Services

4.0 version

How to Debug the Service Container & List Services

You can find out what services are registered with the container using the console. To show all services and the class for each service, run:

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$ php bin/console debug:container

By default, only public services are shown, but you can also view private services:

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$ php bin/console debug:container --show-private

To see a list of all of the available types that can be used for autowiring, run:

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$ php bin/console debug:autowiring

Detailed Info about a Single Service

You can get more detailed information about a particular service by specifying its id:

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$ php bin/console debug:container 'App\Service\Mailer'

# to show the service arguments:
$ php bin/console debug:container 'App\Service\Mailer' --show-arguments

This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.