Function Not Working...Little help

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Hello,

I am trying to get this function working but it gives me a PHP error (blank page):

function Validate_Page_Nav($LastPage, $ErrorPage) {

$trimmed = str_replace($staffroot, '', $_SERVER['SCRIPT_NAME']);
$resul = $db->query("SELECT * FROM Page_Access WHERE URI = '$trimmed'") or die("failed to get access data");
$page_access = $resul->fetch_assoc();
$URI_access = explode(",", $page_access['User_Level']);

if($_SESSION['Last_Page'] != $LastPage}) {
header("location: {$ErrorPage}?message=Unable to update user information.");
		exit();
		}

if(in_array($_SESSION['Staff_level'], $URI_access)) {
		echo "Access";
		exit();
		}else{
		echo "No Access";
//header("location: {$ErrorPage}?message=Unable to update user information.");
		exit();
		}
}

Validate_Page_Nav("user_list.php", "user_list.php");

There are parts of the code I was trying to debug.

Any help would be appreciated.

Don Wieland
D W   D a t a   C o n c e p t s
~~~~~~~~~~~~~~~~~~~~~~~~~
donw@xxxxxxxxxxxxxxxxxx
Direct Line - (949) 305-2771

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