Generate random readable email address

// create a readable email for harvesters
// parts of the script taken from http://snipplr.com/view/18517/human-readable-random-string/
function create_random_readable_email()
{
    $domains = array('gmail.com', 'hotmail.com', 'mail.com', 'yahoo.com', 'outlook.com'); // add as many domains as you want
    $conso = array('b', 'c', 'd', 'f', 'g', 'h', 'j', 'k', 'l', 'm', 'n', 'p', 'r', 's', 't', 'v', 'w', 'x', 'y', 'z');
    $vocal = array('a', 'e', 'i', 'o', 'u');
    $email_prefix = '';
    srand ((double)microtime() * 1000000);
    $str_length = rand(5, 10);
    for($i = 1; $i <= $str_length / 2; $i++)
    {
        $email_prefix .= $conso[rand(0, 19)];
        $email_prefix .= $vocal[rand(0, 4)];
    }

    if (time() % 2 == 0) // add suffix numbers randomly
    {
        $numbers_length = rand(2, 4);
        for($i = 0; $i < $numbers_length; $i++)
        {
            $email_prefix .= mt_rand(0, 9);
        }
    }

    $domain = $domains[rand(0, count($domains) - 1)];

    return $email_prefix . '@' . $domain;
}

print_r(create_random_readable_email());