I am trying to use this code to download a .zip file
<?php
$file = "something.zip";
$size = filesize($file);
header('Content-type: application/octet-stream');
header("Content-length: $size");
header('Content-Disposition: attachment; filename="downloaded.zip"');
readfile($file);
?>
but it does not seem to work, even when I try to set the filesize to a number like header("Content-length: 567247784");
. I only get a file that either has no size declared, or a small file size like 28 bytes.
I looked at this question, and I think I have the same problem as the poster, but his solution is "there was a server problem". I think I also have a server configuration issue, but his answer does not help me at all.
it has to do with mod_deflate getting in the way. I spent a day messing with .htaccess and trying a million different things, in the end this fixed it but I can't really explain why:
header('Content-Length: '.$filesize);
header("Content-Range: 0-".($filesize-1)."/".$filesize);
I want to add that my PHP was configured with less than 256MB of memory.
I think the easiest and the best way is:
$head = array_change_key_case(get_headers($file, TRUE));
$filesize = $head['content-length'];
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