PHP copy（）不适用于重定向到文件的随机URL

问题描述：

trying to copy() .MP3 file from remote url but it always fails.

$link = str_replace(' ','%20','http://mp3hungama.com/music/download.php?song_id=80522');
if (!copy($link,'/home2/muser/tmp/newname.mp3')) {
            echo 'copy failed !';
        }

$link url redirects to http://mp3hungama.com/music/audio//Indian%20Movies/Indian%20Movies%20Hindi%20Mp3%20Songs/Singh%20Is%20Bling%20(2015)/songs/Cinema%20Dekhe%20Mamma%20@%20Mp3HunGama.Com.mp3 same code works for others random urls like www.example.com/download.php?id=2332. what's the specifically problem here or any other way to do this job ?

尝试从远程网址复制（）.MP3文件但总是失败。 p>

  $ link = str_replace（''，'％20'，'http：//mp3hungama.com/music/download.php？song_id = 80522'）; 
if（！copy（$ link，'  /home2/muser/tmp/newname.mp3'））{
 echo'copy failed！'; 
} 
  code>  pre> 
 
  $ link url重定向到 http://mp3hungama.com/music/audio//Indian%20Movies/Indian%20Movies%20Hindi%20Mp3%20Songs/Singh%20Is%20Bling%20（2015）/歌曲/电影％20Dekhe％20Mamma％20 @％  20Mp3HunGama.Com.mp3  code> 
same代码适用于其他随机网址，例如 www.example.com/download.php?id=2332  code>。 这里有什么具体问题或者其他任何方式来完成这项工作？ p> 
  div>

答

I've tested your code and I also couldn't download the file, then, I've used curl an it work as expected:

$local_file = "/home2/muser/tmp/newname.mp3";//This is the file where we save the information
$remote_file = "http://mp3hungama.com/music/download.php?song_id=80522"; //Here is the file we are downloading

$ch = curl_init();
$fp = fopen ($local_file, 'w+');
$ch = curl_init($remote_file);
curl_setopt($ch, CURLOPT_TIMEOUT, 50);
curl_setopt($ch, CURLOPT_FILE, $fp);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_ENCODING, "");
curl_exec($ch);
curl_close($ch);
fclose($fp);

NOTE:

Make sure /home2/muser/tmp/ has write permissions.

TIP:

In the future, if you need to encode/decode a url, use urlencode or urldecode instead of str_replace

答

This link

already redirects to second link. So it's working already.

PHP copy（）不适用于重定向到文件的随机URL

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