用PHP嗅探youku视频的真实地址！-PHP源码

data[0]->streamfileids AS $k=>$v){ 
    $sid=getSid(); 
    $fileid=getfileid($v,$data->data[0]->seed); 
    $One=($data->data[0]->segs->$k); 
    if($k == &＃39;flv&＃39; || $k == &＃39;mp4&＃39;) return "http://f.youku.com/player/getFlvPath/sid/{$sid}_00/st/{$k}/fileid/{$fileid}?K={$one[0]->k}"; 
    continue; 
    } 
}  
function get_curl_contents($url, $secOnd= 5){ 
    if(!function_exists(&＃39;curl_init&＃39;)) die(&＃39;php.ini未开启php_curl.dll&＃39;); 
    $c = curl_init(); 
    curl_setopt($c,CURLOPT_URL,$url); 
    $UserAgent=$_SERVER[&＃39;HTTP_USER_AGENT&＃39;]; 
    curl_setopt($c,CURLOPT_USERAGENT,$UserAgent); 
    curl_setopt($c,CURLOPT_HEADER,0); 
    curl_setopt($c,CURLOPT_TIMEOUT,$second); 
    curl_setopt($c,CURLOPT_RETURNTRANSFER, true); 
    $cnt = curl_exec($c); 
    $cnt=mb_check_encoding($cnt,&＃39;utf-8&＃39;)?iconv(&＃39;gbk&＃39;,&＃39;utf-8//IGNORE&＃39;,$cnt):$cnt; //字符编码转换 
    curl_close($c); 
    return $cnt; 
} 
function getSid() { 
    $sid = time().(rand(0,9000)+10000); 
    return $sid; 
} 
function getkey($key1,$key2){ 
    $a = hexdec($key1); 
    $b = $a ^ 0xA55AA5A5; 
    $b = dechex($b); 
    return $key2.$b; 
} 
function getfileid($fileId,$seed) { 
    $mixed = getMixString($seed); 
    $ids = explode("*",$fileId); 
    unset($ids[count($ids)-1]); 
    $realId = ""; 
    for ($i=0;$i