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  Classes of Artur Graniszewski  >  QoS Bandwidth Throttle in PHP  >  example2.php  >  Download  
File: example2.php
Role: Example script
Content type: text/plain
Description: Example script using data size as the bandwidth limit factor
Class: QoS Bandwidth Throttle in PHP
Limit the speed of files served for download
Author: By
Last change: Fixed some typos in the code comments
Date: 2011-02-11 01:05
Size: 801 bytes
 

Contents

Class file image Download
<?php

require("./throttler.php");

// create new config
$config = new ThrottleConfigBySize();
// enable burst rate for first 500000 bytes, after that revert to the standard transfer rate
$config->burstSize = 500000;
// set burst transfer rate to 50000 bytes/second
$config->burstLimit = 50000;
// set standard transfer rate to 15.000 bytes/second (after initial 30 seconds of burst rate)
$config->rateLimit = 15000;
// enable module (this is a default value)
$config->enabled = true;

// start throttling
$x = new Throttle($config);

header("Content-type: application/force-download");
header("Content-Disposition: attachment; filename=\"test.txt\"");
header("Content-Length: 60000000");

// generate 60.000.000 bytes file.  
for($i = 0; $i < 60000000; $i++) {
    echo "A";
}