php 文件下载控制示例

本文实例讲述了PHP控制文件下载 ，感兴趣的小伙伴，下面一起跟随编程之家 jb51.cc的小编来看看吧。
经测试代码如下：

/**
 * 控制文件下载
 *
 * @param 
 * @arrange (编程之家) jb51.cc
 **/
$filename = $_GET['filename'];
 
// Modify this line to indicate the location of the files you want people to be able to download
// This path must not contain a trailing slash.  ie.  /temp/files/download
$download_path = ficheros/;
 
// Make sure we can't download files above the current directory location.
if(eregi(\.\.,$filename)) die(I'm sorry,you may not download that file.);
$file = str_replace(..,,$filename);
 
// Make sure we can't download .ht control files.
if(eregi(\.ht.+,you may not download that file.);
 
// Combine the download path and the filename to create the full path to the file.
$file = $download_path$file;
 
// Test to ensure that the file exists.
if(!file_exists($file)) die(I'm sorry,the file doesn't seem to exist.);
 
// Extract the type of file which will be sent to the browser as a header
$type = filetype($file);
 
// Get a date and timestamp
$today = date(F j,Y,g:i a);
$time = time();
 
// Send file headers
header(Content-type: $type);
header(Content-disposition: attachment;filename=$filename);
header(Content-transfer-encoding: binary);
header('Pragma: no-cache');
header('Expires: 0');
// Send the file contents.
set_time_limit(0);
readfile($file);
 
?>