Function trouble

[bonehooray]

This function I got from an older post at the forum. I get a warning for "Warning: rand(): Invalid range: 65..26 in" and "Warning: rand(): Invalid range: 97..26 in", multiple times since the function is looped. But it does generate a password. The problem is, it's always 89$H-4O. Not very random =).

Regards,

Stig

function MakePassword($length = 7)
{
// purpose: return a random password of length $length

srand( (double) microtime() );

$which = "";
$password = "";

for ($i=0; $i < $length; $i++) {
$which = rand(1, 3);

// character will be a digit 2-9
if ( $which == 1 ) $password .= rand(0,10);

// character will be a lowercase letter
elseif ( $which == 2 ) $password .= chr( rand(65, 26) );

// character will be an uppercase letter
elseif ( $which == 3 ) $password .= chr( rand(97, 26) );
}

return $password;
}

[bonehooray]

I changed the code a little and got rid of error messages. But it still gives me the same string over and over, 78Ujt. You can try it at http://zkole.com/register.php .

Here's the new code:
function MakePassword($length = 5)
{
// purpose: return a random password of length $length

srand( (double) microtime() );

$which = "";
$password = "";

for ($i=0; $i < $length; $i++) {
$which = rand(1, 3);

// character will be a digit 2-9
if ( $which == 1 ) $password .= rand(0,9);

// character will be a lowercase letter
elseif ( $which == 2 ) $password .= chr( rand(65, 90) );

// character will be an uppercase letter
elseif ( $which == 3 ) $password .= chr( rand(97, 122) );
}

return $password;
}

[Anon]

Look into srand()