Dosshell Facebook friend

<?php
include_once('simple_html_dom.php');

$email = "asd";
$password = "asd";

//Logga in
$url = "http://m.facebook.com/login.php";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,$url);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, "email=$email&pass=$password"); // add POST fields
curl_setopt($ch, CURLOPT_COOKIEFILE, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
$html = str_get_html(curl_exec($ch));


//Kontrollera att du loggades in genom att se om du kan logga ut
$loggaut = $html->find('a[data-sigil=logout]');
if (empty($loggaut))
{
        echo(date('Y-m-d H:i:s').': Error: ');
        echo $html->find('div[id=rootContent]',0)->children(0)->children(0)->children(0)->innertext."\n";
        die(1);
}

//Gå igenom alla vänner
$friends = Array();
foreach(range('A','Z') as $bokstav)
{
        $url = 'http://m.facebook.com/friends.php?pa&start='.$bokstav.'&end='.$bokstav;
        curl_setopt($ch, CURLOPT_URL,$url);
        $html = str_get_html(curl_exec($ch));
        foreach($html->find('div[class=ib]') as $element)
        {
                $friends[] = $element->children(1)->children(0)->name;
        }
}
//Logga ut
$loggaut = 'http://m.facebook.com'.$html->find('a[data-sigil=logout]',0)->href;
curl_setopt($ch, CURLOPT_URL,$loggaut);
curl_close($ch);

//Ladda in fil med vänner
$prev_friends = unserialize(file_get_contents('fbfriends.data'));

$diff = array_diff($prev_friends, $friends);
if (count($diff) > 0)
{
        foreach($diff as $lost_friend)
        {
                //Skriv ut skilnaderna... jag kör outputen till en fil i crontab...
                echo(date('Y-m-d H:i:s').': Förlorad vän: '.$lost_friend."\n");
        }
}

//Spara mina vänner
file_put_contents('fbfriends.data', serialize($friends));
?>