i try save this user edit to data base but it's not working

my model

static public function userEddit($request){

   $user = new self();
   $user->name = $request['name'];
   $user->email = $request['email'];
   $user->password = bcrypt($request['password']);
   $user->save();
  DB::insert('INSERT INTO users_role VALUES(' . $user->id .',5)');

}

my UserContorller

    public function postUser(PostUser $request){
    User::userEddit($request);
    return redirect('shop');
}

via Chebli Mohamed