0, 'path' => '/', 'domain' => '', 'secure' => !empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off', 'httponly' => true, 'samesite' => 'Lax' ]); session_start(); if (!isset($_SESSION['csrf_token'])) { $_SESSION['csrf_token'] = bin2hex(random_bytes(32)); } $errors = []; $success = null; $values = [ 'firstName' => '', 'lastName' => '', 'email' => '', 'frequency' => 'biweekly' ]; if ($_SERVER['REQUEST_METHOD'] === 'POST') { if (!isset($_POST['csrf_token']) || !hash_equals($_SESSION['csrf_token'], $_POST['csrf_token'])) { $errors[] = 'Invalid submission token.'; } else { $values['firstName'] = trim((string)($_POST['firstName'] ?? '')); $values['lastName'] = trim((string)($_POST['lastName'] ?? '')); $values['email'] = filter_var(trim((string)($_POST['email'] ?? '')), FILTER_SANITIZE_EMAIL); $values['frequency'] = trim((string)($_POST['frequency'] ?? 'biweekly')); $interests = isset($_POST['interests']) && is_array($_POST['interests']) ? $_POST['interests'] : []; $terms = isset($_POST['terms']); if ($values['firstName'] === '') $errors[] = 'First name is required.'; if ($values['lastName'] === '') $errors[] = 'Last name is required.'; if ($values['email'] === '' || !filter_var($values['email'], FILTER_VALIDATE_EMAIL)) $errors[] = 'Valid email is required.'; if (!$terms) $errors[] = 'You must agree to Terms & Privacy Policy.'; if (!$errors) { try { $dbDir = __DIR__ . '/../data'; if (!is_dir($dbDir)) { @mkdir($dbDir, 0775, true); } $dbPath = $dbDir . '/site.db'; $pdo = new PDO('sqlite:' . $dbPath); $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); $pdo->exec('CREATE TABLE IF NOT EXISTS subscriptions (id INTEGER PRIMARY KEY AUTOINCREMENT, first_name TEXT, last_name TEXT, email TEXT UNIQUE, interests TEXT, frequency TEXT, ip TEXT, ua TEXT, created_at TEXT)'); $stmt = $pdo->prepare('INSERT OR IGNORE INTO subscriptions (first_name,last_name,email,interests,frequency,ip,ua,created_at) VALUES (?,?,?,?,?,?,?,datetime("now"))'); $stmt->execute([ $values['firstName'], $values['lastName'], $values['email'], implode(', ', $interests), $values['frequency'], $_SERVER['REMOTE_ADDR'] ?? '', $_SERVER['HTTP_USER_AGENT'] ?? '' ]); } catch (Throwable $t) { $logFile = ($dbDir ?? (__DIR__ . '/../data')) . '/errors.log'; @file_put_contents($logFile, '[' . date('c') . '] DB error: ' . $t->getMessage() . "\n", FILE_APPEND); } $success = 'Thank you, ' . htmlspecialchars($values['firstName']) . '! You\'re subscribed.'; $_SESSION['csrf_token'] = bin2hex(random_bytes(32)); $values = [ 'firstName' => '', 'lastName' => '', 'email' => '', 'frequency' => 'biweekly' ]; } } } ?> Subscribe to Newsletter - Home Enhancement

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    '; foreach ($errors as $e) { echo '
  • ' . htmlspecialchars($e) . '
    • '; } echo '
'; } ?> ' . $success . '
'; } ?>

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