As shown, before PHP 4.2.0 the default value for register_globals was on.
form action=" array.php "method="post" Name: input type="text "name="personal[name]" br Email: input type="text "name="personal[email]" br Beer: br select multiple name="vin[] "option value="medoc" Médoc option value="chablis "Chablis option value="riesling" Riesling / select input type="submit "/ form