Application Instance for PHP File Download-PHP source code

Source: Internet
Author: User
This article provides you with the PHP file download code, which uses the header to send the file code to the client browser for download. This article provides you with the PHP file download code, which uses the header to send the file code to the client browser for download.

Script ec (2); script

The Code is as follows:

Function download ($ file_dir, $ file_name)
// Parameter description:
// File_dir: directory of the file
// File_name: File Name
{
$ File_dir = chop ($ file_dir); // remove unnecessary spaces in the path
// Obtain the path of the object to be downloaded
If ($ file_dir! = '')
{
$ File_path = $ file_dir;
If (substr ($ file_dir, strlen ($ file_dir)-1, strlen ($ file_dir ))! = '/')
$ File_path. = '/';
$ File_path. = $ file_name;
}
Else
$ File_path = $ file_name;

// Determine whether the file to be downloaded exists in www.111cn.net
If (! File_exists ($ file_path ))
{
Echo 'Sorry, the file you want to download does not exist. ';
Return false;
}

$ File_size = filesize ($ file_path );

Header ("Content-type: application/octet-stream ");
Header ("Accept-Ranges: bytes"); // 111cn.net
Header ("Accept-Length: $ file_size ");
Header ("Content-Disposition: attachment; filename =". $ file_name );

$ Fp = fopen ($ file_path, "r ");
$ Buffer_size = 1024;
$ Cur_pos = 0;

While (! Feof ($ fp) & $ file_size-$ cur_pos> $ buffer_size)
{
$ Buffer = fread ($ fp, $ buffer_size );
Echo $ buffer;
$ Cur_pos + = $ buffer_size;
}

$ Buffer = fread ($ fp, $ file_size-$ cur_pos );
Echo $ buffer;
Fclose ($ fp );
Return true;

}

?>

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.