original_string: protected function getIdentifier($object)
      {
          $property = new ReflectionProperty(get_class($object), $this->getPrimaryKey());
          $property->setAccessible(true);
          return $property->getValue($object);
      }
code: protected function getIdentifier($object)
      {
          $property = new ReflectionProperty(get_class($object), $this->getPrimaryKey());
          $property->setAccessible(true);
          return $property->getValue($object);
      }
code_tokens: protected function getIdentifier ( $ object ) { $ property = new ReflectionProperty ( get_class ( $ object ) , $ this -> getPrimaryKey ( ) ) ; $ property -> setAccessible ( true ) ; return $ property -> getValue ( $ object ) ; }
docstring: check if object has already an identifier
  
  @param object $object
  @return mixed
docstring_tokens: check if object has already an identifier