{
    number     => 1, 
    name       => "test", 
    id         => "test", 
    rollSizzle => (), 
    roll       => undef, 
    sizzle     => undef
}

## is the same as

{
    number     => 1, 
    name       => "test", 
    id         => "test", 
    rollSizzle => "roll",
    undef      => "sizzle",
    undef
}

##</code><code>##

{ 
    number     => $number, 
    name       => scalar param("n$i"), 
    id         => scalar param("id$i"), 
    rollSizzle => scalar param("rs$i"), 
    roll       => $temp, 
    sizzle     => $temp
};

##</code><code>##

# use CGI 'param';
use CGI; sub param { scalar CGI::param(@_) }