/**
* Tries to detect the mime type of the given file.
*
* @param string $fpath Path to the local file
*
* @return string
*/
protected static function detectMimetype($fpath)
{
// try to detect the file content type
if (function_exists('finfo_open')) {
if (self::$_infodb === null) {
self::$_infodb = @finfo_open(FILEINFO_MIME);
}
if (self::$_infodb) {
$mime = finfo_file(self::$_infodb, $fpath);
}
} else {
$mime = mime_content_type($fpath);
}
if (!$mime) {
$mime = 'application/octet-stream';
}
return $mime;
}