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Laravel: How to change the value of a request parameter

In Laravel, managing request parameters is fundamental for web application development. However, there are instances where you might need to change the value of a request parameter dynamically.

Problem Statement:
need to change the value of a request parameter, but the direct assignment method ($request->name = “My Value!”;) does not work as expected.

Solution:

Laravel offers multiple methods to modify request parameter values dynamically. Let’s explore some effective solutions:

Using the all() Method:
You can retrieve all request parameters using the all() method, modify the desired parameter value, and then update the request data accordingly.

$requestData = $request->all();
$requestData['img'] = $img;

Merging Parameters with merge():
Another method involves using the merge() function to append or overwrite request parameters with new values.

$request->merge(['img' => $img]);

Manipulating Nested Data:
For nested request data manipulation, such as modifying nested arrays or objects, you can employ the same techniques. Here’s an example of adding or updating nested data.

$data['some']['thing'] = 'value';
$request->merge($data);

Using Global Request Helper or Facade:
If you prefer not to inject the $request object, Laravel provides global helpers like request() or facades like \Request:: for direct access to the request instance

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