<?
function cmp($a,$b) {
if ($a == $b) return 0;
if($a > $b) { return( -1); }
else return( +1);
}
$arry = array(3,2,5,6,1,7,9,20,1,500,54,1200);
usort($arry, cmp);
while(list($key,$value) = each($arry)) {
echo "$key: $value"."<br>";
}