How to check if the passed user_id exists in middleware?

Question

Laravel

How to check if the passed user_id exists in middleware?

Answer 1

if ($request->has('user_id'))
{
    // Yes
}
else
{
    // No
}

Answer 2

Check in the handle method .
Options:
In general, it is in the documentation and in large quantities .

Answer 3

$user = User::find($id);
if(is_null(...))