invite fp

<?php

$key = 'cookie login fb';
$tkn = 'token fb';

echo '<div class="acy apm abb abt"> <b>Hello Gunakan Form Dibawah Ini Untuk Mengundang Teman Kamu Menyukai FP</b></div>
<form method="post">
ID FP :<br>
<input type="text" name="id"><br>
<input value="Invite FP" type="submit" name="add" class="btn btnC largeBtn" size="0" />
</form>
<hr>';

if(isset($_POST['add'])){
$id = $_POST['id'];

$graph = json_decode(file_get_contents('https://graph.facebook.com/me/friends?limit=50&access_token='.$tkn), true);
$max = count($graph[data]);
invite($id, $max);
}

function invite($fb, $jum){
global $key;
for($i=1;$i<=2;$i++){
$confirms=auto('https://m.facebook.com/send_page_invite/?pageid='.$fb.'&offset=1&count='.$jum, $key);
$confir = explode('<a',$confirms);
for($i=1;$i<= count($confir);$i++){
$link = substr($confir[$i-1], strpos($confir[$i-1], 'href=') + 6);
$link = substr($link, 0, strpos($link, '"'));
if(ereg('id=',$link)){
$link=str_replace('&amp;','&',$link);
if(ereg('gfid', $link)){
$idfb = cut('ee_id=', '&page', $link);
$cok = json_decode(file_get_contents('https://graph.facebook.com/'.$idfb.'?fields=name'),true);
echo $cok[name].' INVITED<hr>';
}
}
}
}
}

function auto($url, $key){
  $curl = curl_init();
  curl_setopt($curl, CURLOPT_URL,$url);
  curl_setopt($curl, CURLOPT_RETURNTRANSFER,1);
  curl_setopt($curl, CURLOPT_COOKIEFILE, $key);
  $ch = curl_exec($curl);
  curl_close($curl);
  return($ch);
  }

function cut($start,$end,$top){
$c =strlen($start);
$desc= strstr("$top","$start");
$count = strpos("$desc","$end");
$desc = substr($desc,$c,$count-$c);
return $desc;
}

?>