44How to Organize Configuration Files
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66
7- The default Symfony Standard Edition defines three
8- :doc: `execution environments </configuration/environments >` called
9- ``dev ``, ``prod `` and ``test ``. An environment simply represents a way to
10- execute the same codebase with different configurations.
7+ The Symfony skeleton defines three:doc: `execution environments </configuration/environments >`
8+ called ``dev ``, ``prod `` and ``test ``. An environment simply represents a way
9+ to execute the same codebase with different configurations.
1110
1211In order to select the configuration file to load for each environment, Symfony
1312executes the ``registerContainerConfiguration() `` method of the ``AppKernel ``
@@ -17,7 +16,7 @@ class::
1716 use Symfony\Component\HttpKernel\Kernel;
1817 use Symfony\Component\Config\Loader\LoaderInterface;
1918
20- classAppKernel extendsKernel
19+ classKernel extendsBaseKernel
2120 {
2221 // ...
2322