note 9510 modified in function.md5 by victor

[Editor: Take a look at uniqid() since it does what you want. And since PHP 4.2 you don't have to use srand() any longer] U can generate unique string with this way : srand((double)microtime()*1000000); $unique_str = md5(rand(0,9999999)); print $unique_str; It is good for password, cookies or Session_ID (if u're using PHP3) ... LexZEUS --was-- U can generate unique string with this way : srand((double)microtime()*1000000); $unique_str = md5(rand(0,9999999)); print $unique_str; It is good for password, cookies or Session_ID (if u're using PHP3) ... LexZEUS http://www.php.net/manual/en/function.md5.php