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$arr = array(

'Action' => 'ProcessFile',

'fileId' => $fileid,

'notifyMode'=>'Finish',

'transcode.definition.0'=>'210',

'transcode.definition.1'=>'220',

'transcode.definition.2'=>'230',

'transcode.drm.definition'=>10,

'Nonce' => $nonce,

'Region' => 'bj',

'SecretId' => $secret_id,

'Timestamp' => $current,

// 'Version': '2017-03-12',

);

$sign = sign($arr,$secret_key);

echo $str = "https://vod.api.qcloud.com/v2/index.php?fileId=".$fileid."&transcode.definition.0=210&transcode.definition.1=220&transcode.definition.2=230&transcode.drm.definition=10&notifyMode=Finish&Action=ProcessFile&Region=bj&SecretId=".$secret_id."&Nonce=".$nonce."&Timestamp=".$current."&Signature=".$sign;

function sign($arr,$secret_key)

{

$url = "GETvod.api.qcloud.com/v2/index.php?";

if($arr)

{

ksort($arr);

foreach($arr as $k=>$v)

{

$sr .= "&".$k."" . "=" .$v;

}

$sr = $url.substr($sr,1);

$signStr = base64_encode(hash_hmac('sha1', $sr, $secret_key, true));

//echo $arr = implode('&',$arr);

}

return $signStr;

}