file_upload_in_laravel_with_unlink

file_upload_in_laravel_with_unlink.php

<?        
if ($request->has('avatar')) {
            $avatar = $request->file('avatar');
            $filename = time() . '.' . $avatar->getClientOriginalExtension() ;
            $relative_file_path = '/images/uploads/' . $filename;
            $absolute_file_path = public_path($relative_file_path);
            Image::make($avatar)->resize(350, 350)->save($absolute_file_path);
            $contact = Contact::find($request->input('contact_id'));
            $old_image_abs_path = public_path($contact->image);
            if (file_exists($old_image_abs_path) ) {
                unlink($old_image_abs_path);
            }
            $contact->image = $relative_file_path;
            $contact->save();
            return redirect()->back();
        }