public function update(Request $request, Blog $blog)
 {
     $insert = $blog->fill($request->input())->save();
     $image = \Input::get('image');
     if ($image != '') {
         $imagename = 'blog-' . rand(11111, 99999) . '-gudperna.png';
         $image = str_replace(' ', '+', $image);
         list($type, $image) = explode(';', $image);
         list(, $image) = explode(',', $image);
         $image = base64_decode($image);
         file_put_contents('upload/img/' . $imagename, $image);
         $blog->image = $imagename;
         $blog->save();
     }
     if ($insert) {
         return 0;
     } else {
         return 1;
     }
 }