The following piece of code handles detection of mime type, file size and existence of the file for you. I always use this piece for buffering files into browser of my users. if (file_exists($fileLocation)) { header(‘Content-Description: File Transfer’); header(‘Content-Type: ‘ .mime_content_type($fileLocation)); header(‘Content-Disposition: attachment; filename=”‘.basename($fileLocation).'”‘); header(‘Expires: 0’); header(‘Cache-Control: must-revalidate’); header(‘Pragma: public’); header(‘Content-Length: ‘ . filesize($fileLocation)); readfile($fileLocation); …
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