note 74351 deleted from function.rand by felipe

Note Submitter: cjaube at yahoo dot com 

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Update on Anne's function.
$pattern holds 36 characters and therefor rand should pick index numbers between 0 and 35.

Updated function:
<?php
function randomkeys($length)
{
    $pattern = "1234567890abcdefghijklmnopqrstuvwxyz";
    $key  = $pattern{rand(0,35)};
    for($i=1;$i<$length;$i++)
    {
        $key .= $pattern{rand(0,35)};
    }
    return $key;
}
?>