i use $_REQUEST, to get the POST method from my html form and it isn't working i can't figure it out everything works but this
<form action="twitterlogin.php" method="POST">
<p>Twitter username:
<input type="text" name="twitterusername"></p>
<p>Twitter Password:
<input type="password" name="twitterpassword"></p>
<p><input type="submit" name="Submit" value="Submit"></p>
</form>
$twitter=new Twitter($_REQUEST["twitterusername"],$_REQUEST["twitterpassword"]);
array(3) { ["twitterusername"]=> string(10) "mytwittername" ["twitterpassword"]=> string(6) "mytwitterpassword" ["Submit"]=> string(6) "Submit" }