potok for count links for potok-1 urllist links download urllist

$potok = "3";
for($n=0;$n<count($links) - 1;$n++) {
for ($m = 0; $m < $potok-1; $m++){
$urllist[$m] = $links[$n];
download($urllist);
//$n = $n + 1;
}
}