CODEWITHSUNDEEP
phpcakephpzend-frameworkbandwidth-throttling
goodolddays
goodolddays

Reputation: 2683

Limiting download speed in PHP web frameworks

I'm going to implement a website in PHP using a Web Framework. I never implemented a website in PHP... I don't have problems learning new languages. The problem is that I would like to know if frameworks like Zend, CakePHP can be used to create a page which lets you download files at a given rate (eg 50 KB/s)? Thank you.

Upvotes: 1

Views: 825

Answers (5)

Markus Malkusch
Markus Malkusch

Reputation: 7868

If the framework doesn't provide that feature use an existing library, e.g. bandwidth-throttle/bandwidth-throttle

use bandwidthThrottle\BandwidthThrottle;

$in  = fopen(__DIR__ . "/resources/video.mpg", "r");
$out = fopen("php://output", "w");

$throttle = new BandwidthThrottle();
$throttle->setRate(100, BandwidthThrottle::KIBIBYTES); // Set limit to 100KiB/s
$throttle->throttle($out);

stream_copy_to_stream($in, $out);

Upvotes: 0

miro
miro

Reputation: 780

PHP is not very good language for limiting download in my opinion. I have never done it, but I would do it in this way

header('Content-type: image/jpeg');
header('Content-Disposition: attachment; filename="image.jpg"');
$f = file('may_image_or_file_to_download.jpg');

foreach($f as $line){
  echo $line;
  flush();
  usleep(10000); //change sleep time to adjusting download speed
}

you better use some Apache mods if you have possibilities

sorry for my english

Upvotes: 0

daniel.auener
daniel.auener

Reputation: 1294

All you can do with PHP is possible in these Frameworks, too. The trick is to do it without violating the rules of the framework (e.g. the MVC pattern).

In CakePHP it is absolutely possible to create a controller action which puts out a binary file with all needed headers. In your controller action you can than limit the download speed with standard php.

Upvotes: 0

floriank
floriank

Reputation: 25698

As far as I know limiting the download speed is not part of the core but that is very easy to implement, simply extend the MediaView class and add that simple feature to it.

Upvotes: 1

dan-lee
dan-lee

Reputation: 14502

Your server should deal with this issue, not PHP.

In case you have Apache see here:

For Lighttpd see here:

Upvotes: 5

Related Questions