code: public function item($index) {
  		$count = 0;
  		foreach($this as $element) {
  			if($index === $count) {
  				return $element;
  			}
  
  			$count++;
  		}
  
  		return null;
  	}
docs: Gets the nth Element object in the internal DOMNodeList.
  @param int $index
  @return Element|null