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php - "Open with" dialog for custom file format

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Solution:

I got it done with suchfile.php:

<?php

// We'll be outputting a .magicExt
header('Content-Type: application/magicExt');

// It will be called downloaded.magicExt
header('Content-Disposition: attachment; filename="downloaded.magicExt"');

// The .magicExt source is in original.magicExt
readfile('original.magicExt');

Based on PHP header() function

and thatindex.php:

echo '<a href="file.php">file</a>';



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