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[HttpKernel] Add a controller argument resolver for backed enums #16363

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Jan 3, 2022
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[HttpKernel] Add a controller argument resolver for backed enums #16363

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4 changes: 4 additions & 0 deletions controller/argument_value_resolver.rst
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Expand Up @@ -20,6 +20,10 @@ Built-In Value Resolvers
Symfony ships with the following value resolvers in the
:doc:`HttpKernel component </components/http_kernel>`:

:class:`Symfony\\Component\\HttpKernel\\Controller\\ArgumentResolver\\BackedEnumValueResolver`
Attempts to resolve a backed enum case from a route path parameter that matches the name of the argument.
Leads to a 404 Not Found response if the value isn't a valid backing value for the enum type.

:class:`Symfony\\Component\\HttpKernel\\Controller\\ArgumentResolver\\RequestAttributeValueResolver`
Attempts to find a request attribute that matches the name of the argument.

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