public static function buildRSS($data = [])
	{
		$text = '<?xml version="1.0" encoding="UTF-8" ?>'.PHP_EOL;
		$text .= '<rss xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:sy="http://purl.org/rss/1.0/modules/syndication/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" version="2.0">'.PHP_EOL;
		$text .= self::generateTag('channel', $data);
		$text .= '</rss>'.PHP_EOL;
		return $text;
	}