original_string: private function isValidObjectInstance($object)
      {
          if (!is_null($this->classname) && !$this->isInstanceOrSubclassOf($object)) {
              return false;
          }
  
          return true;
      }
code: private function isValidObjectInstance($object)
      {
          if (!is_null($this->classname) && !$this->isInstanceOrSubclassOf($object)) {
              return false;
          }
  
          return true;
      }
code_tokens: private function isValidObjectInstance ( $ object ) { if ( ! is_null ( $ this -> classname ) && ! $ this -> isInstanceOrSubclassOf ( $ object ) ) { return false ; } return true ; }
docstring: Verify's if the given object has a valid instance.
  
  @param object $object
  
  @return bool
docstring_tokens: Verify s if the given object has a valid instance .