diff options
Diffstat (limited to 'includes/file.inc')
| -rw-r--r-- | includes/file.inc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/includes/file.inc b/includes/file.inc index 1c7c30cf2..ac8549cfd 100644 --- a/includes/file.inc +++ b/includes/file.inc @@ -1218,7 +1218,9 @@ function file_set_status($file, $status = FILE_STATUS_PERMANENT) { * An array of HTTP headers to send along with file. */ function file_transfer($source, $headers) { - ob_end_clean(); + if (ob_get_level()) { + ob_end_clean(); + } foreach ($headers as $header) { // To prevent HTTP header injection, we delete new lines that are |