prepare("INSERT OR REPLACE INTO settings(key,value) VALUES(?,?)"); foreach ($keys as $k) { $stmt->execute([$k, trim($_POST[$k] ?? '')]); } header('Location: /settings.php?saved=1'); exit; } function cfg(PDO $pdo, string $key): string { $v = $pdo->prepare("SELECT value FROM settings WHERE key=?"); $v->execute([$key]); return $v->fetchColumn() ?: ''; } layout_head('Réglages'); layout_sidebar('settings'); layout_main_open(); ?>