Инструкция установки SMS замка MobilPass от сервиса MobilCent

$text = (!$bodytext) ? "".$hometext."".$fields."" : "".$hometext."<br /><br />".$bodytext."".$fields."";

### MobilPass v1.0.5 ###
global $currentlang;
$key_id = "000001"; 
$response = @file("http://pass.mobilcent.com/pass/?s_pure=1&s_key=".$key_id 
."&s_pair=".urlencode(substr($_GET["s_pair"], 0, 10)) 
."&s_language=".urlencode(substr($currentlang, 0, 10)) 
."&s_ip=".$_SERVER["REMOTE_ADDR"] 
."&s_url=".$_SERVER["SERVER_NAME"].htmlentities(urlencode($_SERVER["REQUEST_URI"]))); 
if ($response !== false) { 
    if (count($response)>1 || $response[0] != 'true') { 
        $text = "".$hometext."<br>".implode("", $response)."".$fields.""; 
    } else { 
        $text = (!$bodytext) ? "".$hometext."".$fields."" : "".$hometext."<br><br>".$bodytext."".$fields.""; 
    } 
} else {
    $text = "".$hometext."<br>Не удалось запросить внешний сервер".$fields."";  
} 
### MobilPass end ###