Ouzo\Utilities\Iterator\ForwardingIterator::valid PHP Method

    public function valid()
    {
        return $this->iterator->valid();
    }

 public function valid()
 {
     if (!$this->skipped) {
         for ($i = 0; $i < $this->skipCount; ++$i) {
             $this->iterator->next();
         }
         $this->skipped = true;
     }
     return parent::valid();
 }