Help with Uploading.com batch Link Checker and Curl ..

[Lock Down]

<?php
echo  "<br><pre><xmp>"; 
  $data['urls'] = "http://uploading.com/files/c8764714";
    $ckfile = tempnam ("/tmp", "CURLCOOKIE");
    $ch = curl_init ("http://uploading.com/filechecker/");
    curl_setopt ($ch, CURLOPT_COOKIEJAR, $ckfile); 
    curl_setopt ($ch, CURLOPT_RETURNTRANSFER, true);
    $output = curl_exec ($ch);
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL,'http://uploading.com/filechecker/');
    curl_setopt($ch, CURLOPT_COOKIEFILE, $ckfile);
    curl_setopt($ch, CURLOPT_REFERER,'http://uploading.com');
    curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.73 [en] (X11; U; Linux 2.2.15 i686)');
    curl_setopt($ch, CURLOPT_HTTPHEADER,array("Expect:"));
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
    curl_setopt($ch, CURLOPT_TIMEOUT, 60);
    curl_setopt($ch, CURLOPT_HEADER, true);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    $content = curl_exec($ch);
    curl_close($ch);

echo  "<br>$content<pre><xmp>"; echo  "<br>"; print_r($_REQUEST);

?>