PHP Mandatory File Download Custom function code

Source: Internet
Author: User

Sometimes when you want to download the link directly instead of on the page, you need to force header information to be set.

Share a piece of PHP function implementation code that does not produce garbled characters, implement the mandatory download of the file.

example, the PHP implementation file forces the download of the code.

  1. /**
  2. * Downloader
  3. *
  4. * @param $archivo
  5. * Path Al Archivo
  6. * @param $downloadfilename
  7. * (null|string) el nombre que queres usar para el archivo que se va a descargar.
  8. * (Si no lo especificas usa el nombre actual del archivo)
  9. *
  10. * @return File stream
  11. */bbs.it-home.org
  12. function Download_file ($archivo, $downloadfilename = null) {
  13. if (file_exists ($archivo)) {
  14. $downloadfilename = $downloadfilename!== null? $downloadfilename: basename ($archivo);
  15. Header (' Content-description:file Transfer ');
  16. Header (' Content-type:application/octet-stream ');
  17. Header (' content-disposition:attachment; Filename= '. $downloadfilename);
  18. Header (' content-transfer-encoding:binary ');
  19. Header (' expires:0 ');
  20. Header (' Cache-control:must-revalidate, post-check=0, pre-check=0 ');
  21. Header (' Pragma:public ');
  22. Header (' Content-length: '. FileSize ($archivo));
  23. Ob_clean ();
  24. Flush ();
  25. ReadFile ($archivo);
  26. Exit
  27. }
  28. }
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