Cap Download Speed

[Force]

Is there a way to cap all downloads, so they do not go over a certain speed with php or another language.

For example if the cap was at 10kb/s.

Person 1: 5kb/s
Person 2: 5kb/s

Anyone know how to do this?

Thanks in advance,
Matt

[YUPAPA]

YES I FINK!
with mod_bandwidth

Stick this to the apache config file
<Directory />
Bandwidth all 5120
</Directory>