A simple function to create a random string.
<?
function generateString ($length = 8)
{
$string = "";
$possible = "0123456789bcdfghjkmnpqrstvwxyz";
$i = 0;
while ($i < $length) {
$char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
$string .= $char;
$i++;
}
return $string;
}
?>
|
A bit more elegant:
<?
function getUniqueCode($length = 8)
{
$code = md5(uniqid(rand(), true));
if ($length != "") return substr($code, 0, $length);
else return $code;
}
?> |
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