Routing & Controllers
Route annotations, parameters, constraints, redirects, Request/Response, JSON responses
1Which PHP attribute should be used to define a route in a Symfony 7 controller?
Which PHP attribute should be used to define a route in a Symfony 7 controller?
Respuesta
The #[Route] attribute from the Symfony\Component\Routing\Attribute namespace is the recommended method for defining routes in Symfony 7. It replaces Doctrine annotations that required special comments. Native PHP attributes provide better IDE integration and compile-time validation.
2How to define a dynamic route parameter in Symfony?
How to define a dynamic route parameter in Symfony?
Respuesta
Route parameters are defined using curly braces in the route path, for example {id}. This parameter is then automatically injected as an argument to the controller method with the same name. This convention allows automatic binding between the URL and controller parameters.
3Which Symfony object represents the incoming HTTP request?
Which Symfony object represents the incoming HTTP request?
Respuesta
The Request class from the Symfony\Component\HttpFoundation namespace encapsulates all HTTP request data: GET/POST parameters, cookies, headers, uploaded files. It can be automatically injected into controller methods thanks to Symfony's autowiring.
How to restrict a route to a specific HTTP method?
How to return a JSON response from a Symfony controller?
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