saxxml и php5

class rss_parser

{

	private $news;

	private $currentNews;

	private $index;

	private $file_path;

	private $parser;



	function parse_rss()

	{

		$this->parser = xml_parser_create('');



		xml_set_element_handler($this->parser, 'feed_start_element', 'feed_end_element');

		xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, true);



		$xml = file_get_contents($this->file_path);



		xml_parse($this->parser, $xml, true);



		xml_parser_free($this->parser);

	}



	function feed_start_element($p, $name, $attrs)

	{

		switch($name)

		{

			case 'CHANEL':

				$this->news = array();

				break;

			case 'ITEM':

				$this->currentNews = array();

				in_array('date', array_keys($attrs));

				break;

			default:

				$this->index = $name;

				break;

		}

	}



	function feed_end_element($p, $name)

	{

		if ((is_array($this->currentNews)) && ($name=='ITEM'))

		{

			$this->news[] = $this->currentNews;

			$this->currentNews = null;

		}



		$this->index = null;

	}

}

При работе с классом выдается ошибка "Unable to call handler feed_start_element()". Как от нее избавиться?