<?php
date_default_timezone_set('Europe/Warsaw');
$current_time = date('Y-m-d H:i:s');

$flag = '';

if (isset($_GET['938c2a3dfa19c1a46821bed04912db62f9fdb134737804213cd67099482dc640'])) {
    if (file_exists('flag.txt')) {
        $flag = file_get_contents('flag.txt');
    }
}
?>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Current time</title>
    <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet">
</head>
<body class="d-flex justify-content-center align-items-center" style="height: 100vh; background-color: #f8f9fa;">

    <div class="text-center">
        <h1>Current Time in Warsaw (Europe/Warsaw)</h1>
        <p class="display-4"><?php echo $current_time; ?></p>

        <?php if ($flag): ?>
            <p class="lead"><?php echo $flag; ?></p>
        <?php endif; ?>
    </div>

    <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.9.2/dist/umd/popper.min.js"></script>
    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
</body>
</html>
