SimplePie::get_authors

	 *
	 * @see get_link
	 * @see subscribe_url
	 *
	 * @param array $element
	 * @return string
	 */
	public function get_base($element = array())
	{
		if (!($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION) && !empty($element['xml_base_explicit']) && isset($element['xml_base']))
		{
			return $element['xml_base'];
		}
		elseif ($this->get_link() !== null)
		{
			return $this->get_link();
		}

		return $this->subscribe_url();
	}

	/**
	 * Sanitize feed data
	 *
	 * @access private
	 * @see SimplePie_Sanitize::sanitize()
	 * @param string $data Data to sanitize
	 * @param int $type One of the SIMPLEPIE_CONSTRUCT_* constants
	 * @param string $base Base URL to resolve URLs against
	 * @return string Sanitized data
	 */
	public function sanitize($data, $type, $base = '')
	{
		try
		{
			return $this->sanitize->sanitize($data, $type, $base);
		}
		catch (SimplePie_Exception $e)
		{
			if (!$this->enable_exceptions)
			{
				$this->error = $e->getMessage();
				$this->registry->call('Misc', 'error', array($this->error, E_USER_WARNING, $e->getFile(), $e->getLine()));
				return '';
			}

			throw $e;
		}
	}

	/**
	 * Get the title of the feed
	 *
	 * Uses `<atom:title>`, `<title>` or `<dc:title>`
	 *
	 * @since 1.0 (previously called `get_feed_title` since 0.8)
	 * @return string|null
	 */
	public function get_title()
	{
		if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
		{
			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
		{
			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))