2013-03-06 04:17
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使用Silex / Symfony提交响应后删除文件

I'm generating a pdf using Knp\Snappy\Pdf in my Silex application. the file name is random and saved to the tmp directory.

$filename = "/tmp/$random.pdf"
$snappy->generate('/tmp/body.html', $filename, array(), true);

I think return the pdf in the response,

$response = new Response(file_get_contents($filename));
$response->headers->set('Pragma', 'public');
$response->headers->set('Content-Type', 'application/pdf');

return $response;

The pdf is displayed in the web browser correctly. The file with the random filename still exists when the request is finished. I can't unlink the file before returning the response. I've tried registering a shutdown function with register_shutdown_function and unlinking the file from there. However that doesn't seem to work. Any ideas?

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