/**
* Start a big file download on Laravel Framework 4.0 / 4.1
* Source (originally for Laravel 3.*) : http://stackoverflow.com/questions/15942497/why-dont-large-files-download-easily-in-laravel
* @param string $path Path to the big file
* @param string $name Name of the file (used in Content-disposition header)
* @param array $headers Some extra headers
*/
public function sendFile($path, $name = null, array $headers = array())
{
if (is_null($name)) {
$name = basename($path);
}
$file = new \Symfony\Component\HttpFoundation\File\File($path);
$mime = $file->getMimeType();
// Prepare the headers
$headers = array_merge(array('Content-Description' => 'File Transfer', 'Content-Type' => $mime, 'Content-Transfer-Encoding' => 'binary', 'Expires' => 0, 'Cache-Control' => 'must-revalidate, post-check=0, pre-check=0', 'Pragma' => 'public', 'Content-Length' => \File::size($path), 'Content-Disposition' => 'attachment; filename=' . $name), $headers);
$response = new \Symfony\Component\HttpFoundation\Response('', 200, $headers);
// If there's a session we should save it now
if (\Config::get('session.driver') !== '') {
\Session::save();
}
session_write_close();
if (ob_get_length()) {
ob_end_clean();
}
$response->sendHeaders();
// Read the file
if ($file = fopen($path, 'rb')) {
while (!feof($file) and connection_status() == 0) {
print fread($file, 1024 * 8);
flush();
}
fclose($file);
}
// Finish off, like Laravel would
\Event::fire('laravel.done', array($response));
$response->send();
}
