Same name and namespace in other branches
- 4.7.x includes/file.inc \file_transfer()
- 5.x includes/file.inc \file_transfer()
- 6.x includes/file.inc \file_transfer()
- 7.x includes/file.inc \file_transfer()
Transfer file using http to client. Pipes a file through Drupal to the client.
Parameters
$source File to transfer.:
$headers An array of http headers to send along with file.:
Related topics
1 call to file_transfer()
- upload_download in modules/
upload.module
File
- includes/
file.inc, line 456 - API for handling file uploads and server file management.
Code
function file_transfer($source, $headers) {
ob_end_clean();
foreach ($headers as $header) {
// To prevent HTTP header injection, we delete new lines that are
// not followed by a space or a tab.
// See http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.2
$header = preg_replace('/\\r?\\n(?!\\t| )/', '', $header);
header($header);
}
$source = file_create_path($source);
// Transfer file in 1024 byte chunks to save memory usage.
if ($fd = fopen($source, 'rb')) {
while (!feof($fd)) {
print fread($fd, 1024);
}
fclose($fd);
}
else {
drupal_not_found();
}
exit;
}