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  Output a file with HTTP range header in PHP

When downloading a large file, we may encounter some network issues which causes download termination and only part of the file is downloaded. When the network connection resumes next time, we may need to redownload the file again from the beginning. In order to save bandwidth, http provides a Range parameter in its header which can control the file transfer flow. With the range parameter in the header, we can resume the download from where we stop.Here is a piece of PHP code snippet which uses the range header to control which part of the file to transfer: <?php $filename=$_GET['fi...

29,212 3       PHP HTTP RANGE FILE TRANSFER