<?php
ob_start();

header('X-Frame-Options: SAMEORIGIN');

$docRoot = realpath(__DIR__);

$managerPath = __DIR__ . '/R-Scope.php';

if (file_exists($managerPath)) {
    require_once $managerPath;
} else {
    while (ob_get_level()) ob_end_clean();
    http_response_code(500);
    echo 'R-Scope.php not found in ' . htmlspecialchars(__DIR__);
}
?>