I've gone through a thread where I read that I need to add the class within app/classes folder following the instruction I copied the two required files (phpthumb.php and phpthumb.functions.php )
in folder phpthumb so now my folder structure is
fuel->app->class->phpthumb->files
I added the class in autoload classes array but it gives me error:
fuelphp errorAlways load class does not exist. Unable to load: