if (preg_match_all('#\{(?:feed|rss):([\w:\[\]]+)\}#siU', $template, $matches))
{
	foreach ($matches[1] AS $field)
	{

		$replace = $this->fetch_replacement($field, $item);

		$template = preg_replace("#\{(?:feed|rss):$field\}#siU", str_replace('$', '\$', $replace), $template);
	}
}