能用PHP打开BT种子并下载到服务器端吗？解决思路

<br><a style="color:#f60; text-decoration:underline;" title="php" href="https://www.php.cn/zt/15714.html" target="_blank">php</a><br>    $file="铁血.torrent";<br>    $fp=fopen($file,"rb");<br>    $data=(readBt($fp));<br>    /**<br>   @author renlu xu <br>    输出读入的数组。<br>    */<br>    print_r($data);<br>    /**<br>   @function readbt 读入bt文件；<br>   @param $fp 文件指针<br>   @param $nowtype:当然的元数据类型<br>   @return Array 一个保存当前元数据集的数组<br>    */<br>    function readBt($fp,$nowtype="DICT")<br>    {<br>        $nowindex="";<br>        while(!feof($fp))<br>        {<br>            $char=(string)fread($fp,1);<br>            /**<br>            其实仔细研究一下，可能这里几个case的摆放位置，比如哪个在前哪个在后，对速度都是有影响的，不过咱们暂时不管它<br>            */<br>            switch($char)<br>            {<br>                case "1":<br>                case "2":<br>                case "3":<br>                case "4":<br>                case "5":<br>                case "6":<br>                case "7":<br>                case "8":<br>                case "9":<br>                case "0":<br>                {<br>                    $nowindex.=$char;<br>                    break;<br>                }<br>                case ":":<br>                {<br>                    $nowtype="STRING";<br>                    $string=fread($fp,intval($nowindex));<br> <br>                    $VARS[]=$string;<br>                    $nowindex="";<br>                    $nowtype="";<br>                    break;<br>                }<br>                case "i":<br>                {<br> <br>                    $nowtype="NUMBER";<br>                    break;<br> <br>                }<br>                case "e":<br>                {<br>                    /**<div class="clear"></div>