Что не так

помогите, что не так со входом через ВК? тут vferma.ru
вроде все сделал а в результате белый экран

как же мы без кода поможем??

вот файл

В корень закинь

Прикрепленные файлы:
PROFIWM_RU_1860_228888_File.zip (2.17 кб)

<?

include_once \'sys/inc/start.php\';
include_once \'sys/inc/compress.php\';
include_once \'sys/inc/sess.php\';
include_once \'sys/inc/home.php\';
include_once \'sys/inc/settings.php\';
include_once \'sys/inc/db_connect.php\';
include_once \'sys/inc/ipua.php\';
include_once \'sys/inc/fnc.php\';
include_once \'sys/inc/user.php\';
include_once \'sys/inc/shif.php\';



////////////////////////// СКАЧАНО С KLYBOK.NET ////////////////////////////


/**
*
* выполнить sql запрос
* ALTER TABLE `user` ADD COLUMN `vk_id` INT(11) NULL DEFAULT NULL
*
* создать приложение вконтакте и заполнить поля нижу
*
* В нужое место разместить
include_once H.\'vklogin.php\';
returnLink();
*
*
*/

//print_r($_GET);
$app_id = \'3620755\'; //в настройках приложения
$secret_key = \'oiNPosa09fFMwRz4qq2M\'; //в настройках приложения

$redirect_url = urlencode($_SERVER[\'SERVER_NAME\'] . \'/vklogin.php\');

if (isset($_REQUEST[\'code\'])) {
$url = \"https://api.vkontakte.ru/oauth/access_token?client_id={$app_id}&client_secret={$secret_key}&code=\" . $_REQUEST[\'code\'];
$response = json_decode(Удалён
$arrR = json_decode(Удалён src="/content/reactions/bystrie/podmig-original.png" alt="*" />)->
response;
$num = mysql_query(\"SELECT * FROM `user` WHERE `vk_id`=\'{$response->user_id}\'\";

if (isset($arrR) && !empty($arrR) && mysql_num_rows($num) == 0) {
$arr = array();

$pass = passgen(8);

$arr[\'ank_name\'] = $arrR[0]->first_name;
$arr[\'nick\'] = $arrR[0]->screen_name;
$nickq = mysql_query(\'SELECT `id` FROM `user` WHERE LOWER(`nick`) = LOWER(\\\'\' . $arr[\'nick\'] . \'\\\')\');
while (mysql_num_rows($nickq) > 0) {
$arr[\'nick\'] = $arrR[0]->screen_name . mt_rand(1, 100);
$nickq = mysql_query(\'SELECT `id` FROM `user` WHERE LOWER(`nick`) = LOWER(\\\'\' . $arr[\'nick\'] . \'\\\')\');
}
$arr[\'pass\'] = shif($pass);
$arr[\'vk_id\'] = $response->user_id;

$sex = $arrR[0]->sex;
if ($sex == 1)
$arr[\'pol\'] = 0;
else
$arr[\'pol\'] = 1;

$bdate = isset($arrR[0]->bdate) ? explode(\'.\', $arrR[0]->bdate) : array();
$arr[\'ank_d_r\'] = isset($bdate[0]) ? $bdate[0] : null;
$arr[\'ank_m_r\'] = isset($bdate[1]) ? $bdate[1] : null;
$arr[\'ank_g_r\'] = isset($bdate[2]) ? $bdate[2] : null;

$city = $arrR[0]->city;
//$country = $arr[0]->country;
$photo = $arrR[0]->photo_big;

$arrR = json_decode(Удалён src="/content/reactions/bystrie/podmig-original.png" alt="*" />)->
response;
$arr[\'ank_city\'] = $arrR[0]->name;
$arr[\'date_reg\'] = time();

$key = $val = array();
foreach ($arr as $k => $v) {
$key[] = \"`$k`\";
$val[] = \"\'$v\'\";
}
$keys = implode(\', \', $key);
$vals = implode(\', \', $val);

$q = mysql_query(\"INSERT INTO `user`($keys) VALUES($vals)\";
$q = mysql_query(\"SELECT LAST_INSERT_ID() as `last_id` FROM `user` LIMIT 1\";
$id = mysql_fetch_assoc($q);
$photop = pathinfo($photo);
$photo = file_get_contents($photo);
$photo_path = H . \'sys/avatar/\' . $id[\'last_id\'] . \'.\' . $photop[\'extension\'];
if (file_exists($photo_path))
unlink($photo_path);
file_put_contents($photo_path, $photo);

$num = mysql_query(\"SELECT * FROM `user` WHERE `vk_id`=\'{$response->user_id}\'\";
auth_vk();
header(\'Location: /exit.php\');
} elseif (mysql_num_rows($num) > 0) {
auth_vk();
header(\'Location: /index.php\');
}
}

function auth_vk() {
global $num;
$user = mysql_fetch_assoc($num);
$_SESSION[\'id_user\'] = $user[\'id\'];

if (isset($_POST[\'aut_save\']) && $_POST[\'aut_save\'] == 1) {
setcookie(\'id_user\', $user[\'id\'], time() + 60 * 60 * 24 * 365);
setcookie(\'pass\', cookie_encrypt($_POST[\'pass\'], $user[\'id\']), time() + 60 * 60 * 24 * 365);
}
mysql_query(\"UPDATE `user` SET `date_aut` = \" . time() . \" WHERE `id` = \'$user[id]\' LIMIT 1\";
mysql_query(\"UPDATE `user` SET `date_last` = \" . time() . \" WHERE `id` = \'$user[id]\' LIMIT 1\";
}

function returnLink() {
global $app_id, $redirect_url;
echo \'<li><img width=\"16\" height=\"16\" src=\"images/vk_logo.png\" alt=\"o\"> <a href=\"http://api.vkontakte.ru/oauth/authorize?client_id=\' . $app_id . \'&scope=offline&redirect_uri=\' . $redirect_url .
\'&response_type=code&display=touch\" class=\"vk_auth\">Вход</a> (VK.COM)</li>\';
}

вот код

Ну тоже самое

Ап