$file = file("http://www.mxweas.com/sample.xml");
$file = implode("\n",$file);
$file = str_replace("media:","",$file);
$file = str_replace("yt:","",$file);
$file = str_replace("gd:","",$file);
preg_match_all("|totalResults\>([0-9]*)<|",$file,$out);
$total_results = $out[1][0];
$xml = new SimpleXMLElement($file);