Pinq\Utilities::isIterable PHP Метод

    public static function isIterable($value)
    {
        return $value instanceof \Traversable || is_array($value);
    }

 public function removeRange($values)
 {
     if (!Utilities::isIterable($values)) {
         throw PinqException::invalidIterable(__METHOD__, $values);
     }
     $this->executeQuery($this->newMethod(__FUNCTION__, [$values]));
 }