RapidPHP

If you ever need to get content type of remote file from within PHP, this class will come in handy. Supposing you need to check external link if it is an mp3 file. You will be able to do this: $sniffer = new Smartycode_Http_Mime();
$contentType = $sniffer->getMime($url);
if('audio/mpeg3' == $contentType) echo 'It is MP3';