Youtube-ID-Extractor - CodisPhp

php: extreure el ID (identificador) d'un video de youtube.

function youtubeid($url) {
        if (preg_match('%youtube\\.com/(.+)%', $url, $match)) {
                $match = $match[1];
                $replace = array("watch?v=", "v/", "vi/");
                $match = str_replace($replace, "", $match);
        }
        return $match;
}
//Per cridar la funció
print youtubeid("http://www.youtube.com/watch?v=Fv2aS8YtpmU");