twit ID

<form action="" method="post">
<input class="textinput" type="text" name="id" size="35" />
<input class="buttonsubmit" type="submit" name="submit" value="Get Twitter ID" /></form>
<?php
if(isset($_POST['id'])){
$ch = curl_init();
$post = "input=" . $_POST['id'];
$url = "http://tweeterid.com/ajax.php";
curl_setopt($ch,CURLOPT_URL,$url);
curl_setopt($ch,CURLOPT_POST,count($fields));
curl_setopt($ch,CURLOPT_POSTFIELDS,$post);
curl_setopt($ch,CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch,CURLOPT_CONNECTTIMEOUT ,3);
curl_setopt($ch,CURLOPT_TIMEOUT, 20);
$response = curl_exec($ch);
print "Twitter ID : " . $response;
curl_close ($ch);
}
?>