<?  
set_time_limit(0);  

$mail='email@mail.ru';  
$pass='qweqwe';  
$id='22671298';  

function go($link){  

$ch = curl_init();  
curl_setopt($ch, CURLOPT_URL,$link);  
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);  
curl_setopt($ch, CURLOPT_TIMEOUT, 1);  
curl_setopt($ch, CURLOPT_GET, 1);  
curl_setopt($ch, CURLOPT_HEADER, 1);  

$otvet = curl_exec($ch);  
curl_close($ch);  
return $otvet;  
}  

$otvet=go('login.userapi.com/auth?site=2&login=force&email='.$mail.'&pass='.$pass);  

$begin = 'sid=';  
$begin = strpos($otvet, $begin) + strlen($begin);  
$end = "\r";  
$end = strpos($otvet, $end, $begin);  
$sid= substr($otvet, $begin, $end - $begin);  

$count=1;  

while($count!==0){  

$otvet=go('http://userapi.com/data?&act=wall&from=0&to=200&id='.$id.'&sid='.$sid);  

$count=substr_count($otvet,']],[');  

$end=1;  
for ($i=0;$i<$count;$i++){  

$otvet= substr($otvet, $end);  

$begin = ']],[';  
$begin = strpos($otvet, $begin) + strlen($begin);  
$end = ",";  
$end = strpos($otvet, $end, $begin);  
$post_id= substr($otvet, $begin, $end - $begin);  

go('http://userapi.com/data?&act=del_wall&id='.$id.'&wid='.$id.'_'.$post_id.'&sid='.$sid);  

print $i."\n";  
}  

}  

?>