query( "SELECT a.id, a.ad_type, a.currency, a.payment_currency, a.fixed_price, a.available_amount, a.min_amount, a.max_amount, a.bank_name, u.nickname AS seller_nickname, u.rating AS seller_rating FROM ads a JOIN users u ON a.user_id = u.id WHERE a.status = 'ACTIVE' AND a.user_id != {$current_user_id} ORDER BY a.created_at DESC" ); $ads = $stmt->fetchAll(PDO::FETCH_ASSOC); } catch (PDOException $e) { $error = "Database error: " . $e->getMessage(); } ?>