---
title: "PDO Class | Microsoft Docs"
ms.custom: ""
ms.date: "03/26/2018"
ms.prod: sql
ms.prod_service: connectivity
ms.reviewer: ""
ms.technology: connectivity
ms.topic: conceptual
ms.assetid: 9c77b68d-0649-44af-96fa-586cbb319f5f
author: David-Engel
ms.author: v-daenge
---
# PDO Class
[!INCLUDE[Driver_PHP_Download](../../includes/driver_php_download.md)]

The PDO class contains methods that allow your PHP application to connect to an [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] instance.  
  
## Syntax  
  
```  
  
PDO {}  
```  
  
## Remarks  
The PDO class contains the following methods:  
  
[PDO::__construct](../../connect/php/pdo-construct.md)  

[PDO::beginTransaction](../../connect/php/pdo-begintransaction.md)  
  
[PDO::commit](../../connect/php/pdo-commit.md)  
  
[PDO::errorCode](../../connect/php/pdo-errorcode.md)  
  
[PDO::errorInfo](../../connect/php/pdo-errorinfo.md)  
  
[PDO::exec](../../connect/php/pdo-exec.md)  
  
[PDO::getAttribute](../../connect/php/pdo-getattribute.md)  
  
[PDO::getAvailableDrivers](../../connect/php/pdo-getavailabledrivers.md)  
  
[PDO::lastInsertId](../../connect/php/pdo-lastinsertid.md)  
  
[PDO::prepare](../../connect/php/pdo-prepare.md)  
  
[PDO::query](../../connect/php/pdo-query.md)  
  
[PDO::quote](../../connect/php/pdo-quote.md)  
  
[PDO::rollback](../../connect/php/pdo-rollback.md)  
  
[PDO::setAttribute](../../connect/php/pdo-setattribute.md)  
  
Support for PDO was added in version 2.0 of the [!INCLUDE[ssDriverPHP](../../includes/ssdriverphp_md.md)].  
  
## See Also  
[PDO_SQLSRV Driver Reference](../../connect/php/pdo-sqlsrv-driver-reference.md)

[Overview of the Microsoft Drivers for PHP for SQL Server](../../connect/php/overview-of-the-php-sql-driver.md)

[Constants (Microsoft Drivers for PHP for SQL Server)](../../connect/php/constants-microsoft-drivers-for-php-for-sql-server.md)

[Programming Guide for the Microsoft Drivers for PHP for SQL Server](../../connect/php/programming-guide-for-php-sql-driver.md)

[Getting Started with the Microsoft Drivers for PHP for SQL Server](../../connect/php/getting-started-with-the-php-sql-driver.md)

[PDO](https://php.net/manual/book.pdo.php)