Eloquent::find PHP Method

        public static function find($id, $columns = array())
        {
            return \Illuminate\Database\Eloquent\Builder::find($id, $columns);
        }

 /**
  * Update the specified resource in storage.
  *
  * @param  int  $id
  * @return Response
  */
 public function update($id)
 {
     $input = \Input::all();
     $validation = \Validator::make($input, $this->getRules());
     if ($validation->passes()) {
         $record = $this->Model->find($id)->update($input);
         return \Redirect::route($this->routeName . 'show', $id);
     }
     return \Redirect::route($this->routeName . 'edit', $id)->withInput()->withErrors($validation);
 }