How to change value of a request parameter in laravel

Question

I need to change value of my request parameter like this:

$request->name = \"My Value!\";

I use

Answer 1

Great answers here but I needed to replace a value in a JSON request. After a little digging into the code, I came up with the following code. Let me know if I'm doing something dumb.

$json = $request->json()->all();
$json['field'] = 'new value';
$request->json()->replace($json);