speedtest/garbage.php

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PHP
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<?php
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// Disable Compression
@ini_set('zlib.output_compression', 'Off');
@ini_set('output_buffering', 'Off');
@ini_set('output_handler', '');
// Headers
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header( "HTTP/1.1 200 OK" );
// Download follows...
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename=random.dat');
header('Content-Transfer-Encoding: binary');
// Never cache me
header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
// Generate data
$data=openssl_random_pseudo_bytes(1048576);
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// Deliver chunks of 1048576 bytes
for($i=0;$i<intval($_GET["ckSize"]);$i++){
echo $data;
flush();
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}
?>