bad SP

This should work:// override SimplePie_Itemclass SimplePie_Item_filter extends SimplePie_Item{	function get_title()	{	    $title = parent::get_title();			if(!$title)			return null;	    $title = filter_evil_words($title);					return $title;	}}$feed = new SimplePie();// tell SP to use my new class$feed->set_item_class('SimplePie_Item_filter');// mitt romneyyyyy!$feed->init();...// nuke those bad boysfunction filter_evil_words($title){		$evilwords = '(microsoft|riaa|mpaa|osama|putin|circularreferences|memoryleak|pita|rubyoncrack)';	$pattern = "/$evilwords/is";	$replacement = '';	$filtered = preg_replace($pattern,$replacement,$title);	return $filtered;}