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How do you handle file uploads in a form in FuelPHP?

How do you handle file uploads in a form in FuelPHP?

In FuelPHP, set_flash() and keep_flash() are methods used for handling flash messages, which are temporary messages used to provide feedback to users. They serve different purposes in the context of managing these messages between requests.

1. set_flash()

  • Purpose: Used to set a flash message that is intended to be available for the next request (typically after a redirect). The message is stored in the session and can be accessed in the subsequent request.
  • Usage: Ideal for providing feedback after form submissions, user actions, or redirects.

Example:

Example


// Set a flash message
Session::set_flash('success', 'Your changes have been saved.');
  • Behavior: By default, the flash message is only available for one subsequent request. It is removed from the session after it has been accessed once, making it a one-time message.

2. keep_flash()

  • Purpose: Used to keep flash messages across multiple requests. This is useful when you want a flash message to persist through additional requests after the initial one.
  • Usage: Ideal when you need to retain flash messages for longer periods or across multiple redirects.

Example:

Example


// Keep a flash message for subsequent requests
Session::keep_flash('success');

Summary

  • set_flash(): Sets a flash message for the next request. The message is removed after it is accessed once.
  • keep_flash(): Keeps the flash message across multiple requests, allowing it to persist beyond the immediate next request.

These methods help manage user notifications effectively by controlling the lifespan and visibility of flash messages in FuelPHP.

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