prepare("SELECT id FROM coupons WHERE code = ?"); $check->execute([$code]); if($check->rowCount() > 0) { $msg = "Coupon Code already exists!"; $msg_type = "danger"; } else { $sql = "INSERT INTO coupons (code, discount_value, discount_type, status) VALUES (?, ?, ?, ?)"; if ($pdo->prepare($sql)->execute([$code, $value, $type, $status])) { $msg = "Coupon created successfully!"; $msg_type = "success"; } else { $msg = "Error creating coupon."; $msg_type = "danger"; } } } } // --- HANDLE DELETE COUPON --- if (isset($_GET['delete'])) { $id = $_GET['delete']; $pdo->prepare("DELETE FROM coupons WHERE id = ?")->execute([$id]); $msg = "Coupon deleted successfully!"; $msg_type = "warning"; } ?>