You are browsing the Symfony 4.1 documentation, which changes significantly from Symfony 3.x. If your app doesn't use Symfony 4.1 yet, browse the Symfony 3.4 documentation.
How to Debug the Service Container & List Services
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 (public and private) and their PHP classes, run:
1 2 3 4 | $ php bin/console debug:container
# add this option to display "hidden services" too (those whose ID starts with a dot)
$ php bin/console debug:container --show-hidden
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New in version 4.1: Hidden services and the --show-hidden option were introduced in Symfony 4.1.
To see a list of all of the available types that can be used for autowiring, run:
1 | $ php bin/console debug:autowiring
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Detailed Info about a Single Service¶
You can get more detailed information about a particular service by specifying its id:
1 2 3 4 | $ php bin/console debug:container 'App\Service\Mailer'
# to show the service arguments:
$ php bin/console debug:container 'App\Service\Mailer' --show-arguments
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This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.