View file test.4imas.ru/config/bootstrap.php

<?php

if (defined('BOOTSTRAP_LOADED')) {
    return;
}
define('BOOTSTRAP_LOADED', true);

if (session_status() == PHP_SESSION_NONE) {
    session_start([
        'cookie_lifetime' => 86400,
        'cookie_httponly' => true,
        'cookie_secure' => isset($_SERVER['HTTPS']),
        'cookie_samesite' => 'Strict',
    ]);
}

if (empty($_SESSION['csrf_token'])) {
    $_SESSION['csrf_token'] = bin2hex(random_bytes(32));
}

require_once __DIR__ . '/db.php';
require_once __DIR__ . '/csrf.php';

if (!function_exists('e')) {
    function e($string) {
        return htmlspecialchars($string ?? '', ENT_QUOTES, 'UTF-8');
    }
}

if (!function_exists('is_logged_in')) {
    function is_logged_in() {
        return isset($_SESSION['user_id']);
    }
}

if (!function_exists('is_admin')) {
    function is_admin() {
        return isset($_SESSION['user_role']) && $_SESSION['user_role'] === 'admin';
    }
}

if (!function_exists('redirect')) {
    function redirect($url) {
        if (!headers_sent()) {
            header("Location: " . $url);
            exit;
        }
        echo '<script>window.location.href="' . htmlspecialchars($url) . '";</script>';
        exit;
    }
}

date_default_timezone_set('Europe/Chisinau');

if (!defined('BASE_URL')) {
    define('BASE_URL', '/');
}

if (!defined('PROJECT_ROOT')) {
    define('PROJECT_ROOT', realpath(__DIR__ . '/..'));
}

if (!defined('UPLOAD_DIR')) {
    define('UPLOAD_DIR', PROJECT_ROOT . '/uploads/');
    if (!file_exists(UPLOAD_DIR)) {
        mkdir(UPLOAD_DIR, 0755, true);
    }
}

if (!defined('ASSETS_URL')) {
    define('ASSETS_URL', BASE_URL . 'assets/');
}
?>