public function mime($file, $mime)
{
// If mime is calculated at upload, we have it already..
if ($mime) {
return $mime;
}
// For older versions with no mime type, attempt to get mime type..
$e = substr(strrchr(strtolower($file), '.'), +1);
$a = msDownload::browser();
$t = msDownload::mime_types();
// Check for PECL extension..
if (function_exists('finfo_file') && file_exists($file)) {
$info = @finfo_open(FILEINFO_MIME_TYPE);
$type = @finfo_file($info, $file);
if ($type) {
return $type;
}
}
// Check mime array..
if (isset($t[$e])) {
return $t[$e];
}
// Fallback..
return in_array($a, array('IE', 'OPERA')) ? 'application/octetstream' : 'application/octet-stream';
}
