> Hey Brian
>
> Thanks a lot for that idea, i got it and built my logic upon it thanks a
> lot.
>
an OO aproach:
<?
class prandom {
var $total = 0;
var $values = array();
function prandom() {
mt_srand((double)microtime()*1000000);
}
function add($key, $value) {
$this->values[$key] = $value;
$this->total += $value;
}
function generate() {
if ($this->total > 0) {
$rand = mt_rand(0, $this->total);
$acum = 0;
reset($this->values);
do {
list($k, $v) = each($this->values);
$acum += $v;
} while ($acum < $rand);
return($k);
}
}
}
?>
an example:
<?
require_once('prandom.php');
$t = new prandom();
$t->add('often', 80);
$t->add('infrequently', 15);
$t->add('rarely', 2);
for ($i = 0; $i < 100; $i++)
echo $t->generate() . "\n";
?>
--
José Miguel Santibáñez
jms@xxxxxxxxx
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