Baum\SetValidator::passes PHP 메소드

    public function passes()
    {
        return $this->validateBounds() && $this->validateDuplicates() && $this->validateRoots();
    }

 /**
  * Checks wether the underlying Nested Set structure is valid.
  *
  * @return boolean
  */
 public static function isValidNestedSet()
 {
     $validator = new SetValidator(new static());
     return $validator->passes();
 }