php Class Yadis Extension which provide YADIS support see http yadis o

<?php
/*
 * Class Yadis
 *
 * Extension which provide YADIS support
 *
 * @see: http://yadis.org
 */
class yadis {
	// extension output
	static public $render = null;
	
	/*
	 * Class constructor
	 * 
	 * @param	void
	 * @return	self
	 */
	public function __construct() {
		$serverURL = core::config('base_url');
		$localID = core::config('site_domain');

		ob_start();
		include (EXTPATH . __CLASS__ . '/yadis.xrds');
		self::$render = ob_get_clean();

		event::add('controller.xrds', array(__CLASS__, 'render'));
	}
	
	/*
	 * Show output if exists
	 *
	 * @param:	void
	 * @return:	void
	 */
	public function render() {
		if(self::$render !== null) echo self::$render;
	}
}