public function get_title()
	{
		if (!isset($this->data['title']))
		{
			if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			else
			{
				$this->data['title'] = null;
			}
		}
		return $this->data['title'];
	}