Empty $_POST array

#!/local/localwww/travel/php.mssql/bin/php -n<?php    // header("Content-type: text/html");    echo "Content-type: text/html\n";    echo "X-Powered-By: PHP/4.3.9\n\n";?><!--#!/usr/bin/php --><html><head><title>PHP test</title></head><body><p>this is a test<p><?php        echo "<p>scott(get) is ";        if (!isset($_GET['scott'])) { echo "NOT "; }        echo "set";        echo "<p>scott(post) is ";        if (!isset($_POST["scott"])) { echo "NOT "; }        echo "set";        if (isset($_REQUEST['scott'])) { echo "<p>scott is set"; }        echo "<p>";        phpinfo(INFO_VARIABLES);?><form action="test.php" method="post" name="whywontyouwork"><p>name:<select name="scott" onchange="submit()"><option>name1</option><option>name2</option><option>name3</option></select></form></body></html>