if(strpos($text, 'www.xiami.com')){
$text = preg_replace('/http:\/\/www.xiami.com\/song\/([a-zA-Z0-9\=]+)?/', '<iframe src="//inmusic.sinaapp.com/xiamiplayer/\1" frameborder="0" scrolling="0" width="420" height="200" allowtransparency></iframe>', $text);
}