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Commit44c6273

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minorsymfony#3727 Added a note about inlined private services (javiereguiluz)
This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closessymfony#3727).Discussion----------Added a note about inlined private services| Q | A| ------------- | ---| Doc fix? | no| New docs? | yes| Applies to | 2.3+| Fixed tickets | -When you define private services that are used just as arguments for another service, Symfon2 doesn't define them as services, but inlines them in the other service definition. This slightly improves the performance of the container, but it's confusing for Symfony beginners because the private services aren't displayed by the `container:debug` command even when using the `--show-private` option:```$ php app/console container:debug --show-private```Commits-------15a7be0 [book] [service_container] added the title of a cross reference835b52f Emphasized the fact that this only applies when the private service is used as argument for a single service04cb9d4 Added a note about inlined private services
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‎book/service_container.rst‎

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$ php app/console container:debug --show-private
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..note::
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If a private service is only used as an argument to just *one* other service,
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it won't be displayed by the ``container:debug`` command, even when using
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the ``--show-private`` option. See:ref:`Inline Private Services<inlined-private-services>`
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for more details.
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You can get more detailed information about a particular service by specifying
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its id:
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‎components/dependency_injection/advanced.rst‎

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is common when a service is only defined because it could be used as an
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argument for another service.
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.. _inlined-private-services:
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..note::
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If you use a private service as an argument to only one other service,

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