php - get vimeo video id from url

 function getVimeoVideoIdFromUrl($url = '') {
    $regs = array();
    $id = '';
    if (preg_match('%^https?:\/\/(?:www\.|player\.)?vimeo.com\/(?:channels\/(?:\w+\/)?|groups\/([^\/]*)\/videos\/|album\/(\d+)\/video\/|video\/|)(\d+)(?:$|\/|\#?)(?:[?]?.*)$%im', $url, $regs)) {
        $id =   $regs[3];
    }
//    else
//    {
//        $id = substr($url,10,strlen($url));
//    }
    return $id;
}