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- Explain the lifecycle of a controller in FuelPHP.
Explain the lifecycle of a controller in FuelPHP.
Answer: In FuelPHP, the lifecycle of a controller involves the following steps:
1. Routing: When a request is made, it is routed to a specific controller based on the URI.
2. Controller Initialization: The framework instantiates the controller class defined in the routing configuration.
3. Before Method: Before the main action method is executed, the `before()` method (if defined) is called. This method is often used for setup tasks, such as authentication or loading common resources.
4. Action Method: The appropriate action method (e.g., `action_index`, `action_create`) is invoked. This method handles the core logic of the request, such as processing data, interacting with models, and preparing the response.
5. After Method: After the action method execution, the `after()` method (if defined) is called. This method can be used to perform tasks like logging or modifying the response.
6. Response Generation: The data prepared in the action method is transformed into a response, which may include rendering a view or returning JSON.
7. Output: Finally, the response is sent back to the client, completing the request-response cycle.
This lifecycle ensures clear separation of concerns and structured handling of web requests within a FuelPHP application.
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